| Patent |
Priority |
Assignee |
Title |
| 1596041, |
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| 1632665, |
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| 1639959, |
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| 1888339, |
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| 1900889, |
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| 1995084, |
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| 1999696, |
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| 2192397, |
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| 2263762, |
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| 2668979, |
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| 2709070, |
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| 2864462, |
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| 3005224, |
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| 3020576, |
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| 3040363, |
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| 3065490, |
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| 3093853, |
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| 3186021, |
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| 3189931, |
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| 3193862, |
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| 3204280, |
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| 3206787, |
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| 3233274, |
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| 3284830, |
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| 3322350, |
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| 3436788, |
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| 3461479, |
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| 3504858, |
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| 3584439, |
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| 3604051, |
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| 3631558, |
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| 3639936, |
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| 3701177, |
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| 3705437, |
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| 3705746, |
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| 3755993, |
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| 3797744, |
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| 3833961, |
|
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| 3837029, |
|
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| 3846865, |
|
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| 3871826, |
|
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| 3879789, |
|
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| 3883301, |
|
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| 3886623, |
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| 3892003, |
|
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| 3896520, |
|
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| 3927899, |
|
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|
| 3933451, |
Apr 24 1972 |
|
Dust collecting bag |
| 3955236, |
Jul 26 1974 |
HARRINGTON, JOHN P ; HARRINGTON, JOHN P , 370 ROLLING ROCK ROAD, MOUNTAIN SIDE, N J |
Collector system in a vacuum sweeper circuit |
| 4010507, |
Jul 14 1975 |
The Raymond Lee Organization, Inc. |
Riding attachment to floor buffer machine |
| 4019218, |
Apr 15 1976 |
Chemko Industries, Inc. |
Carpet soil extractor |
| 4037289, |
Nov 19 1975 |
Tennant Company |
Scrubber squeegee apparatus |
| 4041567, |
Apr 10 1975 |
COOPER INDUSTRIES, INC , A CORP OF DE |
Combination sweeping-scrubbing apparatus |
| 4046321, |
Apr 03 1975 |
UNIQUE INDUSTRIES, INC |
High pressure spray cleaning head |
| 4108268, |
Mar 02 1977 |
COOPER INDUSTRIES, INC , A CORP OF DE |
Actuator for self-propelled sweeper |
| 4109342, |
Jul 29 1977 |
BISSELL INC |
Vacuum cleaner with bare floor cleaning brush |
| 4135669, |
Aug 30 1977 |
|
Portable, wheeled electric sprayer with pressurized liquid reservoir |
| 4173052, |
Nov 17 1977 |
COOPER INDUSTRIES, INC , A CORP OF DE |
Riding sweeper |
| 4196492, |
Dec 20 1977 |
MINUTEMAN INTERNATIONAL, INC |
Automatic carpet cleaning machine |
| 4200952, |
Nov 15 1977 |
Cemsto B.V. |
Device for cleaning floors by means of a liquid |
| 4200953, |
Oct 05 1978 |
JOHNSTON SWEEPER COMPANY A NJ CORP |
Surface sweeper with floating broom chamber |
| 4210978, |
Dec 20 1977 |
MINUTEMAN INTERNATIONAL, INC |
Automatic carpet cleaning machine |
| 4214338, |
Feb 09 1978 |
|
Industrial sweeper |
| 4219901, |
Nov 17 1977 |
COOPER INDUSTRIES, INC , A CORP OF DE |
Riding sweeper |
| 4293971, |
Jun 19 1979 |
COOPER INDUSTRIES, INC , A CORP OF DE |
Floor treating machine with squeegee |
| 4310944, |
Jan 30 1978 |
Tennant Company |
Surface maintenance machine having air recirculation |
| 4314385, |
Jun 26 1980 |
LYNCH PATRICK E , JR |
Carpet cleaning system |
| 4328014, |
Apr 22 1981 |
COOPER INDUSTRIES, INC , A CORP OF DE |
Sweeper hopper with filter assembly |
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Nov 12 1980 |
TENNANT TREND, INC |
Squeegee support assembly for automatic floor cleaning machines |
| 4348783, |
Nov 10 1980 |
Tennant Company |
Scrubbing machine with selective recycle |
| 4354569, |
Apr 14 1979 |
|
Electric vehicle |
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Feb 19 1981 |
COOPER INDUSTRIES, INC , A CORP OF DE |
Squeegee assembly for a scrubbing machine |
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Feb 09 1982 |
Quadratec Associates |
Anti-hammer device for pulsed liquid-merging system |
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Aug 27 1982 |
COOPER INDUSTRIES, INC , A CORP OF DE |
Surface cleaning machine with squeegee assembly |
| 4457036, |
Sep 10 1982 |
Tennant Company |
Debris collecting mechanism |
| 4457043, |
Nov 16 1979 |
Aktiengesellschaft Rolba |
Sweeper particularly for collecting dust-like material, and the utilization thereof |
| 4467494, |
Apr 19 1982 |
|
Industrial vacuum cleaner |
| 4492002, |
Sep 12 1980 |
TENNANT TREND, INC |
Floor cleaning machine |
| 4499624, |
Feb 25 1983 |
BWI KARTRIDGPAK CO |
Portable polisher |
| 4532667, |
Sep 10 1983 |
Vorwerk & Co. Interholding GmbH |
Floor cleaning device having a replaceable brush assembly |
| 4538695, |
Jun 14 1984 |
|
Battery driven golf cart |
| 4554701, |
Feb 10 1984 |
|
Vacuum street sweeper and filter apparatus therefor |
| 4572023, |
Mar 26 1984 |
ALLIED CORPORATION A CORP OF NY |
Axial position lock for telescoping steering column |
| 4580313, |
Sep 12 1983 |
Cooper Industries, Inc |
Walk behind floor maintenance machine |
| 4586208, |
Dec 17 1984 |
Tennant Company |
Floor maintenance machine and method |
| 4596061, |
Jan 22 1985 |
|
Liquid-vacuum washer for hard surfaces |
| 4611363, |
May 13 1985 |
|
Squeegee holding apparatus |
| 4654918, |
Nov 18 1985 |
Jerald T., Allcock; Billy D., Hargis |
Buffer deck assembly and surface maintenance apparatus |
| 4675935, |
Mar 14 1986 |
Tennant Company |
Control and monitor for a floor maintenance device |
| 4696593, |
Dec 05 1986 |
FOOT REST CORPORATION, THE, 1034 SHAWNEE RD , KANSAS CITY, KS 66103 A CORP OF KS |
Car washing mitt |
| 4715087, |
Dec 11 1985 |
MINUTEMAN INTERNATIONAL, INC |
High speed floor burnisher |
| 4759094, |
Oct 19 1987 |
MINUTEMAN INTERNATIONAL, INC |
Scrubbing machine |
| 4773113, |
Oct 02 1985 |
|
Multiple use cleaning apparatus |
| 4787646, |
May 07 1987 |
Simplicity Manufacturing, Inc. |
Riding mower chassis with floating steerable rear wheels |
| 4799286, |
Aug 04 1986 |
|
Power driven vacuum sweeper |
| 4805258, |
Sep 22 1987 |
Tennant Trend Inc. |
Battery powered walk behind floor burnisher |
| 4809397, |
Jan 21 1986 |
Edic; EDIC, A CORP OF CA |
Rug and carpet cleaner |
| 4819676, |
Jan 16 1986 |
Tennant Company |
Combination sweeping and scrubbing system and method |
| 4821958, |
Sep 03 1987 |
SPARKLE INTERNATIONAL, INC |
Mobile pressure cleaning unit |
| 4839037, |
Mar 09 1987 |
Osmonics, Inc. |
Tapered, spirally wound filter cartridge and method of making same |
| 4847944, |
Sep 30 1988 |
The Scott Fetzer Company |
Vacuum cleaning with powered brush roll |
| 4850077, |
Sep 15 1988 |
|
Double brush-roll vacuum cleaner |
| 4879784, |
Aug 26 1986 |
Castle Rock Industries, Inc |
Bi-directional squeegee jet wand |
| 4884313, |
May 19 1987 |
DULEVO INTERNATIONAL S P A |
Street sweeper machine with trash pick-up and transport capabilities |
| 4920997, |
Oct 16 1986 |
Alfred Karcher GmbH & Co. |
Car washing installation |
| 4922575, |
Oct 25 1982 |
|
Three ribbed torque handle |
| 4991254, |
Dec 19 1988 |
KARCHER NORTH AMERICA, INC |
Cleaning system |
| 5005597, |
Sep 30 1987 |
Deere & Company |
Street cleaning device for collecting leaves and debris |
| 5026488, |
Feb 20 1990 |
Prestone Products Corporation |
Liquid recycling system |
| 5027464, |
Jan 05 1990 |
MINUTEMAN INTERNATIONAL, INC |
Container dumping system |
| 5044043, |
Apr 21 1986 |
Tennant Company |
Speed and steering control for a floor maintenance machine |
| 5054150, |
May 31 1990 |
Best Industries, Inc. |
Forklift mounted sweeping machine |
| 5054158, |
Dec 11 1990 |
Edic |
Scrubbing machine/vacuum cleaner |
| 5075921, |
May 23 1989 |
|
Wand |
| 5090083, |
May 22 1990 |
Tennant Company |
Wide area carpet vacuum cleaner |
| 5093955, |
Aug 29 1990 |
Tennant Company |
Combined sweeper and scrubber |
| 5109566, |
Jun 28 1990 |
Matsushita Electric Industrial Co., Ltd. |
Self-running cleaning apparatus |
| 5127124, |
Mar 11 1991 |
MINUTEMAN INTERNATIONAL, INC |
Adjustable suspension for high speed pad driver |
| 5135080, |
Apr 30 1991 |
E. I. du Pont de Nemours and Company |
Stand up fork lift truck safety net |
| 5174730, |
May 25 1988 |
ALFRED KAERCHER GMBH & CO KG |
High-pressure cleaning apparatus |
| 5184372, |
Jan 07 1991 |
|
Vacuum assisted squeegee attachment |
| 5212848, |
Mar 13 1992 |
Tennant Company |
Squeegee blade |
| 5217166, |
Oct 22 1988 |
ALFRED KAERCHER GMBH & CO KG |
Rotor nozzle for a high-pressure cleaning device |
| 5221026, |
Oct 15 1991 |
|
Apparatus for dispensing mixtures of liquids and pressurized gas |
| 5226941, |
Apr 24 1991 |
VORWERK & CO INTERHOLDING GMBH A CORP OF GERMANY |
Dust filter bag |
| 5239720, |
Oct 24 1991 |
Advance Machine Company |
Mobile surface cleaning machine |
| 5245144, |
Oct 25 1991 |
Crown Equipment Corporation |
Walk along hand grip switch control for pallet truck |
| 5279672, |
Jun 29 1992 |
KARCHER NORTH AMERICA, INC |
Automatic controlled cleaning machine |
| 5303448, |
Jul 08 1992 |
Tennant Company |
Hopper and filter chamber for direct forward throw sweeper |
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Mar 30 1992 |
Racine Industries, Inc. |
Carpet cleaning machine for particulate removal |
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Dec 03 1992 |
Cyclotron, Inc. |
Apparatus for dispensing cleaning fluids to an object |
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Aug 09 1991 |
Jamak Fabrication-Tex, LLC |
Wiper blade for a vehicle windshield |
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Jan 29 1993 |
The Toro Company |
Vehicle steering and suspension system |
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Oct 24 1991 |
Advance Machine Company |
Mobile surface cleaning machine |
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May 13 1993 |
KARCHER NORTH AMERICA, INC |
Floor cleaning machine including squeegee assembly |
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Dec 10 1992 |
Hydro-Chem Systems, Inc. |
Radio controlled spraying device |
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Aug 06 1993 |
|
Mixing valve and fluid transfer system valved at pressurized central header to provide unpressurized delivery conduits |
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Feb 15 1994 |
AUTOMATIC CONTROL CORPORATION |
Apparatus for mixing gases and liquids and separating solids using a vortex |
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Oct 06 1992 |
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Vacuum unit for forklift |
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Mar 23 1993 |
Johnston Engineering Limited |
Exhauster fan systems |
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Aug 24 1993 |
MOBILE PRODUCTS, INC |
Walk-behind self-propelled broom sweeper |
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Mar 10 1994 |
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Brush roller assembly for vacuum cleaner sweeper |
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Jan 10 1994 |
Tennant Company |
Steerable side squeegees |
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Dec 26 1989 |
The Scott Fetzer Company |
Brushroll |
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Mar 24 1992 |
NSS ENTERPRISES, INC |
Floor cleaning apparatus |
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Jan 27 1993 |
AAR Corporation; AAR CORP |
Steering mechanism for a cleaning vehicle |
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Apr 25 1994 |
KARCHER NORTH AMERICA, INC |
Floor cleaning apparatus |
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Apr 02 1994 |
Firma Fedag |
Vacuum cleaner |
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Jul 01 1993 |
Braendle Metallbau AG |
Process and device for cleaning of surfaces |
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Nov 22 1994 |
NILFISK A S |
Hinged brush retaining arm for sweepers |
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HARDING INDUSTRIES, LTD |
Floor scrubbing machine |
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Healthy Gain Investments Limited |
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Carpet cleaner unit with adjustable power control |
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Advance Machine Company |
Rear wheel isolation suspension for floor scrubbers |
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KARCHER NORTH AMERICA, INC |
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Fluid pump priming system |
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Delaware Capital Formation |
Selector valve |
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KARCHER NORTH AMERICA, INC |
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Minnesota Mining and Manufacturing Company |
Chariot for depressing pavement marking tape |
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Healthy Gain Investments Limited |
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Ecolab USA Inc |
Portable unit wall unit dispensers and method of dispensing |
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Multi-functional cleaning machine |
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Apparatus for cleaning floors |
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Large-scale cleaning vehicle |
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Ergonomic, liquid-transport container |
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Mar 19 1999 |
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Multifunctional mobile appliance |
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Mar 07 1997 |
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Carpet cleaning apparatus with loop agitator |
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Jun 30 2000 |
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Riding floor scrubber |
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All surface cleaner |
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NILFISK A S |
Riding floor scrubber |
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Feb 27 2001 |
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Carpet steam cleaning apparatus with control for directing spray at front or back of wand vacuum head |
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Oct 01 1999 |
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Jun 25 1999 |
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Sulky with removable foot plate |
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Mar 19 1999 |
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Multifunctional mobile appliance |
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Jun 30 2000 |
NILFISK A S |
Squeegee mounting assembly for a floor scrubber |
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May 22 1998 |
NILFISK A S |
Battery powered, riding, floor burnishing machine |
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May 01 2000 |
iRobot Corporation |
Method and system for remote control of mobile robot |
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Apr 20 2000 |
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Mar 20 2000 |
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Application apparatus for multiple solution cleaner |
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Feb 08 1999 |
Briggs & Stratton Power Products Group, LLC |
Multi-container pressure washer and related product selecting valve |
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Jul 30 2001 |
Tennant Company |
Apparatus and method of use for cleaning a hard floor surface utilizing an aerated cleaning liquid |
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Jan 24 2000 |
iRobot Corporation |
Robot obstacle detection system |
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Mar 19 1999 |
MC ROBOTICS |
Multifunctional mobile appliance |
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Aug 02 2000 |
KOREA HYDRO & NUCLEAR POWER CO , LTD |
Remote-controlled mobile cleaning apparatus for removal and collection of high radioactive waste debris in hot-cell |
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Therma-Stor LLC |
Device and method for liquid removal from carpet |
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Multi-functional floor-cleaning tool |
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Multifunctional mobile appliance |
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Chemical dispenser for a hard floor surface cleaner |
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Schmidt Holding GmbH; Patria Vammas Oy |
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Hard floor surface cleaner utilizing an aerated cleaning liquid |
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Cleaning liquid dispensing system for a hard floor surface cleaner |
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Tennant Company |
Dual mode carpet cleaning apparatus utilizing an extraction device and a soil transfer cleaning medium |
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NILFISK A S |
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SILICON VALLEY BANK, AS ADMINISTRATIVE AGENT |
Suction nozzle configuration |
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Feb 12 2003 |
Minuteman International, Inc. |
Floor scrubber |
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Apr 04 2002 |
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BISSEL INC ; BISSELL INC |
Extraction cleaning with collapsible tanks |
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Samsung Gwangju Electronics, Co. |
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Jun 10 2002 |
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Scrub-mate |
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May 23 2002 |
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Carpet grooming attachment |
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Sep 09 2003 |
Ecolab USA Inc |
Apparatuses, systems and processes for surface cleaning |
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Nov 24 2001 |
TELEBRANDS CORP |
Pressure-actuated linearly retractable and extendible hose |
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Dec 23 2003 |
Harris Research, Inc |
Device for improved removal of liquid from fabric |
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KARCHER NORTH AMERICA, INC |
Scrubbing machine passive recycling |
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Dual mode carpet cleaning method |
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May 31 2001 |
DIVERSEY, INC |
Surface treating machine |
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Mar 05 2004 |
Tennant |
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May 26 2004 |
Hako-Werke GmbH |
Ground cleaning machine |
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May 10 2004 |
Comac S.p.A. |
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Nov 06 2003 |
MADVAC INC |
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Oct 17 2001 |
NILFISK A S |
Dual cleaning mode carpet extractor |
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May 11 2004 |
Comac S.p.A. |
Floor cleaning machine, particularly for industrial applications |
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May 14 2003 |
KARCHER NORTH AMERICA, INC |
Floor treatment apparatus |
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May 26 2004 |
Hako-Werke GmbH |
Floor cleaning machine |
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Oct 18 2005 |
WOLF GmbH |
Vacuum cleaner bag |
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Filter bag and method for the production thereof |
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