Patent |
Priority |
Assignee |
Title |
3266787, |
|
|
|
3617541, |
|
|
|
3752453, |
|
|
|
3785620, |
|
|
|
3842804, |
|
|
|
3864246, |
|
|
|
3882027, |
|
|
|
3914351, |
|
|
|
3947532, |
Jun 17 1974 |
Buffalo Forge Company; Aktiebolaget Carl Munters |
Liquid distribution strip |
3954615, |
Jan 25 1971 |
Yissum Research Development Company of the Hebrew University of Jerusalem |
Apparatus for sewage treatment and wastewater reclamation |
3957931, |
Dec 18 1970 |
Mass Transfer Limited |
Fluid-fluid contact method and apparatus |
3966608, |
Mar 01 1974 |
SMITH & LOVERLESS, INC , A CORP OF KS |
Liquid treatment apparatus |
4122011, |
May 21 1975 |
Norton Company |
Trickling filter media for biological filters |
4169050, |
Nov 03 1977 |
Solar Aquasystems, Inc. |
Buoyant contact surfaces in waste treatment pond |
4177147, |
Mar 20 1978 |
RF DELAWARE, INC |
Biological treating systems |
4195043, |
Jan 17 1979 |
Norton Company |
Randomly dumpable self orienting spiral packing elements |
4267052, |
Dec 10 1979 |
|
Aeration method and apparatus |
4279753, |
Mar 19 1979 |
AQUEONICS, INC |
Wastewater treatment system including multiple stages of alternate aerobic-anerobic bioreactors in series |
4296050, |
May 12 1977 |
Sulzer Brothers Ltd. |
Packing element for an exchange column |
4303600, |
Jan 08 1981 |
Munters Corporation |
Reactor column |
4333893, |
Jan 23 1980 |
|
High area contactor |
4422930, |
Nov 19 1981 |
Kajima Kensetsu Kabushiki Kaisha; Nippon Sangyo Kikai Kabushiki Kaisha |
Apparatus for treating waste water |
4425231, |
Feb 10 1981 |
Kubota, Ltd. |
Waste water treating apparatus |
4431549, |
Sep 20 1982 |
DEHYDRO CORPORATION THE, CHARLOTTE, NC A CORP OF |
Filter elements, apparatus and methods |
4434061, |
Sep 10 1980 |
Cellu-Craft Inc. |
Solids-liquid separation |
4511519, |
Apr 30 1984 |
Koch-Glitsch, LP |
Tower packing elements |
4522767, |
Jun 04 1982 |
Paul Rauschert GmbH & Co. KG |
Annular filling member for gas-liquid contact |
4595296, |
Feb 06 1984 |
|
Method and apparatus for gas induced mixing and blending |
4599174, |
Feb 27 1984 |
POLYBAC CORPORATION, |
Submerged fixed film biological treatment system |
4600544, |
Nov 29 1982 |
VIASYSTEMS CORPORATION |
Packing unit and method of making |
4620930, |
Dec 16 1985 |
Polybac Corporation |
Process for rapidly determining biological toxicity of wastewater |
4639314, |
Jan 18 1985 |
|
Fine bubble diffuser and diffuser system having filtered blow-down tube |
4668387, |
Sep 23 1985 |
REXNORD INC |
Deep submergence rotating biological contactor apparatus |
4668442, |
Sep 12 1985 |
|
Column packing |
4806288, |
Sep 23 1987 |
|
Packing elements |
4818404, |
Jul 08 1987 |
TRI-BIO, INC , A CORP OF PA |
Submerged biological wastewater treatment system |
4940540, |
Jul 08 1987 |
Tri-Bio, Inc. |
Submerged biological wastewater treatment system |
5298164, |
Jul 28 1992 |
United States Filter Corporation |
Emission reduction of organic volatiles from aerobic biological reactors |
5458779, |
Jan 23 1990 |
Veolia Water Solutions & Technologies Support |
Method for purification of water |
5468392, |
Nov 26 1993 |
Meurer Research, Inc. |
Submerged fixed-film biological waste treatment method and system |
5498376, |
Nov 03 1993 |
LANTEC PRODUCTS, INC |
Packing |
5543039, |
Jan 23 1990 |
Veolia Water Solutions & Technologies Support |
Reactor for purification of water |
5549828, |
Mar 23 1994 |
AQUARESEARCH CANADA LTD AQUARECHERCHE CANADA LTEE |
Method and apparatus for in Situ water purification including sludge reduction within water bodies by biofiltration and for hypolimnetic aeration of lakes |
5580644, |
Sep 27 1993 |
Japan Vilene Company, Ltd. |
Three-dimensional non-woven fabric and method of producing the same |
5585266, |
Oct 05 1995 |
PLITT INTERNATIONAL, LLC |
Immobilized cell bioreactor |
5690819, |
Jul 16 1996 |
|
Structure of biochemical filter ball |
5693383, |
Aug 04 1994 |
Norddeutsche Seekabelwerke Aktiengesellschaft |
Packing material |
5771716, |
Sep 18 1995 |
|
Warp-knitted loop net fabric |
5779886, |
Oct 23 1996 |
|
Media for filtration |
578548, |
|
|
|
5839828, |
May 19 1997 |
|
Static mixer |
5863128, |
Dec 04 1997 |
Mazzei Injector Company, LLC |
Mixer-injectors with twisting and straightening vanes |
6039873, |
Feb 02 1996 |
|
Process for the thoroughgoing aerobic biological purification of waste water |
6109781, |
Feb 16 1999 |
|
Element of a mixing apparatus |
6126829, |
Mar 16 1994 |
Veolia Water Solutions & Technologies Support |
Biofilm carrier for water and waste water purification |
6170216, |
Mar 12 1999 |
BRENTWOOD INDUSTRIES, INC.; BRENTWOOD INDUSTRIES, NC |
Grid structure |
6173526, |
Feb 10 1998 |
Mazzei Injector Company, LLC |
Beneficiation of soil with dissolved oxygen for growing crops |
6383373, |
Dec 22 1998 |
Sumitomo Heavy Industries, LTD |
Biological filtration apparatus |
6444126, |
Sep 19 2000 |
T. M. Gates, Inc.; T M GATES, INC |
System and method for treating sanitary wastewater for on-site disposal |
6464211, |
Aug 31 1999 |
Evoqua Water Technologies LLC |
Diffuser assembly |
6524849, |
Aug 23 2001 |
CECO ENVIRONMENTAL IP INC |
Biological filter structures |
6685826, |
Aug 29 2000 |
|
Fish pond filter system |
6726838, |
Jan 07 2002 |
Agwise Wise Water Technologies Ltd. |
Biofilm carrier, method of manufacture thereof and waste water treatment system employing biofilm carrier |
6730214, |
Oct 26 2001 |
Mazzei Injector Company, LLC |
System and apparatus for accelerating mass transfer of a gas into a liquid |
6852227, |
Apr 29 2004 |
JRJ Holdings, LLC |
Flow-through media |
6858144, |
Oct 04 2000 |
KOBELCO ECO-SOLUTIONS CO , LTD |
Method and apparatus for treatment of wastewater |
6899359, |
Oct 18 2000 |
PRESBY PLASTICS, INC |
Means for coupling conduit |
6916421, |
Mar 13 1997 |
|
Vertical vortex or laminar flow interactive bio media water treatment device |
7189323, |
Jul 22 2004 |
Veolia Water Solutions & Technologies Support |
Method for biological purification of water using a carrier material |
7246795, |
Jun 12 2002 |
Saint-Gobain Ceramics & Plastics, Inc. |
Ceramic packing element |
7445715, |
Nov 22 2004 |
ENTEX TECHNOLOGIES INC |
System for treating wastewater and a controlled reaction-volume module usable therein |
7691262, |
Nov 22 2004 |
Entex Technologies Inc. |
System for treating wastewater having a controlled reaction-volume module usable therein |
20030127378, |
|
|
|
20030192827, |
|
|
|
20040011737, |
|
|
|
20040151547, |
|
|
|
20040178132, |
|
|
|
20040256315, |
|
|
|
20050104376, |
|
|
|
20070102354, |
|
|
|
20100163485, |
|
|
|
D243531, |
Jun 04 1975 |
Norton Company |
Filter media |
D345410, |
Oct 28 1991 |
|
Vapor liquid contact tower packing body |
D353438, |
Aug 26 1992 |
North American Power Technologies; NORTH AMERICAN POWER TECHNOLOGIES A PA CORP |
Magnetic fuel conditioner |
D354544, |
Apr 29 1992 |
|
Packing element for water treatment systems |
D465257, |
Sep 24 2001 |
KENT SEA TECH CORP |
Biofilm carrier element |
D618760, |
Jul 09 2008 |
NEXOM INC , A MANITOBA CORPORATION C O NEXOM US , INC |
Extruded media for supporting growth biology within a wastewater treating system |
DE3728812, |
|
|
|
EP346013, |
|
|
|
EP695721, |
|
|
|
EP1340720, |
|
|
|
GB1498360, |
|
|
|
WO198477, |
|
|
|
WO3051485, |
|
|
|
WO3068694, |
|
|
|
WO2006058097, |
|
|
|
WO8801197, |
|
|
|
WO9111396, |
|
|
|
WO9603351, |
|
|
|