Patent
   D654560
Priority
Sep 15 2011
Filed
Sep 15 2011
Issued
Feb 21 2012
Expiry
Feb 21 2026
Assg.orig
Entity
unknown
0
108
n/a
We claim the ornamental design for a filter unit, as shown and described.

FIG. 1 is a top perspective view of a filter unit of the present invention;

FIG. 2 is a front elevational view of the filter unit of FIG. 1;

FIG. 3 is a rear elevational view of the filter unit of FIG. 1;

FIG. 4 is a first side elevational view of the filter unit of FIG. 1;

FIG. 5 is a second side elevational view of the filter unit of FIG. 1;

FIG. 6 is a top plan view of the filter unit of FIG. 1; and,

FIG. 7 is a bottom plan view of the filter unit of FIG. 1.

The broken line showing is included for the purpose of illustrating and forms no part of the claimed design.

Kruckenberg, Christopher A., Spindler, Jeffrey A.

Patent Priority Assignee Title
Patent Priority Assignee Title
2955712,
3388801,
3557958,
3774764,
3980457, Feb 18 1975 SCHRADER BELLOWS INC , A CORP OF DE Pneumatic filter/separator with magnetically controlled fluid valve
4052307, Jul 08 1976 Wix Corporation Universal filter mounting attachment
4398562, Jul 06 1981 Wells Fargo Bank, National Association Motorized diverter valve
4601821, Jun 10 1983 National Westminster Bank PLC Freestanding aquarium filter
4608166, Apr 01 1985 FILTERTEK INC Press fit filter
4615812, Oct 26 1984 Metro-Line Industries, Inc. Filter housing for closed fluid circulating system
4735716, Jan 27 1986 3M Innovative Properties Company Quick-change filter cartridge and head therefor
4764275, Oct 25 1985 PUROLATOR PRODUCTS NA, INC ; Purolator Products NA, LLC Fluid filter and method for attaching same in sealing relation to a filter mount
4915831, Jan 23 1989 3M Innovative Properties Company Filter assembly featuring displaceable filter head plunger for locking into filter cartridge detent
5133382, Aug 15 1989 Solatrol, Inc. Primary valve actuator assembly
5139050, Jul 09 1991 MATRIX IV, INC A CORP OF ILLINOIS Multi-functional valve
5273255, Oct 03 1990 CAROMA INDUSTRIES LIMITED, AN AUSTRALIAN COMPANY Quarter turn tap
5350506, Jan 30 1992 Navistar International Transporation Corporation Anti-drain fluid filter
5362390, Jun 28 1993 CUMMINS FILTRATION IP,INC ; Kuss Corporation Shut-off valve for spin-on filters
5456830, Jan 26 1993 3M Innovative Properties Company Replaceable filter cartridge for actuating safety shut-off valve in mounting head
5545315, Aug 05 1994 KATADYN PRODUKTE, AG Water filtering and purifying apparatus
5560824, Mar 31 1993 Hydac Filtertechnik GmbH Filter device with closing arrangement and key opening connection
5567310, Apr 11 1995 Noritsu Koki Co., Ltd. Strainer including rotatable closure member for fluid shut off during Filter displacement
5591332, May 25 1995 Omnipure Filter Co. Filter assembly with automatic shut-off and quick-connect filter cartridge
5607582, Nov 28 1994 YAMASHIN-FILTER CORP Filter system for liquids
5611923, Jul 12 1995 VICKERS, INC Filter assembly having quick connect/disconnect sealing valve means
5698093, May 31 1996 Eagle Filter Corporation Gasoline filter with automatic shut off
5800702, Jun 18 1996 Shurflo Pump Manufacturing Co. Heavy duty strainer
5826854, Jun 07 1996 Maytag Corporation Fluid routing system
5846417, Jul 21 1997 CUMMINS FILTRATION IP,INC ; Kuss Corporation Self closing filter centerpost
5858227, Sep 23 1996 Parker Intangibles LLC Fuel filter assembly with in-line valve
5914037, Nov 24 1997 CHUAN DA ENTERPRISE CO , LTD Filter device for a water filter
6000674, Nov 13 1998 Reliable flush valve
6024869, Jan 22 1998 Donaldson Company, Inc. Spin-on filter assembly with valve arrangements
6027644, Aug 08 1996 3M Innovative Properties Company Dripless purification manifold and cartridge
6068770, Jul 12 1996 Entegris, Inc Disposable separation module with quick connect capability
6132176, Jan 08 1999 Evoqua Water Technologies LLC Flow control sensor and method for filling of a filter press
6303031, Feb 26 1999 Maytag Corporation Water filtering system with replaceable cartridge for a refrigerator
6360764, Jul 18 2000 3M Innovative Properties Company Cartridge adapter
6458269, Apr 20 2000 3M Innovative Properties Company Keyed filter assembly
6579455, Sep 09 1999 Parker Intangibles LLC Filter and valve apparatus
6632355, Jul 30 2001 3M Innovative Properties Company Low spillage replaceable water filter assembly
6651823, May 15 2000 Fram Group IP LLC Plastic filter housing formed from multiple sections and having a skewed weld seam, and filter incorporating same
6789691, Mar 01 2001 SAFRAN AIRCRAFT ENGINES Sealable casing having a quarter-turn closing arrangement
6977039, Mar 30 2004 Natural Choice Corporation Fluid filter apparatus and method
7000894, Apr 25 2003 Whirlpool Corporation Fluidic cartridges and end pieces thereof
7067054, Jul 31 2001 3M Innovative Properties Company Water filter assembly for use in an appliance
7147772, Jul 30 2001 3M Innovative Properties Company Low spillage replaceable water filter assembly
7147773, Apr 25 2003 Whirlpool Corporation Refrigerator with treated water
7407148, Apr 20 2000 3M Innovative Properties Company Rotary valve assembly for fluid filtration system
7419060, Mar 05 2003 Intelligent Energy Limited Integrated fuel container and impurity removal cartridge
7442301, Aug 28 2006 KX Technologies LLC Filter housing apparatus with rotating filter replacement mechanism
7459078, Mar 20 2004 Hydac Filtertechnik GmbH Filter device
7481926, Feb 15 2005 Mann & Hummel GmbH Filter device
7481928, Jul 30 2001 3M Innovative Properties Company Hot disconnect replaceable water filter assembly
7610932, Apr 25 2003 Whirlpool Corporation Fluidic cartridges and end pieces thereof
7695619, Mar 21 2008 Pentair Filtration, Inc.; PENTAIR FILTRATION, INC Modular drinking water filtration system with adapter rings for replaceable cartridges to assure proper fit
7744758, Feb 15 2005 Mann & Hummel GmbH Liquid filter
7763170, Apr 20 2000 3M Innovative Properties Company Keyed filter assembly
7955500, Nov 16 2007 CUMMINS FILTRATION IP, INC. Oval seal cartridge with no dirty drip
7959010, Mar 14 2008 CUMMINS FILTRATION IP, INC.; Cummins Filtration IP, Inc Standpipe with integrated regulator valve
20060070942,
20060272995,
20070295667,
20080000820,
20080185330,
20080223775,
20090014381,
20090020470,
20090127172,
20090184043,
20090230063,
20090236276,
20090321340,
20100064646,
20100170841,
CN2889448,
234940,
D264811, Oct 29 1979 The Clorox Company Bottle
D322836, Jan 27 1986 CUNO INCORPORATED, A CT CORP Top cap of a quick-change filter cartridge
D351337, Feb 09 1993 The Schawbel Corporation Portable fuel cartridge
D356625, May 28 1993 Ecolab USA Inc Filter adapter head
D429312, Aug 31 1999 Kimberly-Clark Worldwide, Inc Travel filtration bottle
D433729, Aug 31 1999 Kimberly-Clark Worldwide, Inc Filtration bottle with cap
D435631, Feb 04 2000 Clarcor Engine Mobile Solutions, LLC Filter cartridge
D472299, Aug 22 2002 3M Innovative Properties Company Filter cartridge connector
D472604, Aug 22 2002 3M Innovative Properties Company Filter manifold connector
D484568, Sep 25 2002 Clarcor Engine Mobile Solutions, LLC Filter cartridge
D567898, May 17 2004 Parker Intangibles LLC Filter element
D592066, Oct 12 2007 SIDEL PARTICIPATIONS Bottle
D592514, Apr 14 2008 Procter & Gamble Company, The Bottle
D594088, Mar 20 2008 LIFESAVER IP LIMITED Water purifying device
D595139, Nov 05 2007 Plastipak Packaging, Inc. Container body portion
D599880, Jun 25 2008 Envirogard Products Limited Filter cartridge
D604616, Jul 16 2008 Procter & Gamble Company, The Portion of a bottle
D606411, Mar 16 2007 Procter & Gamble Company, The Container
D610906, Jan 16 2009 LIVING PROOF, INC Spray container
D612244, Jul 16 2008 The Procter & Gamble Company Portion of a bottle
D613172, Aug 29 2006 CHEVRON U S A INC Bottle
D614967, Jun 18 2009 GABRIELLE STUDIO, INC Fragrance bottle
D615870, Aug 22 2007 SIDEL PARTICIPATIONS Bottle
D624153, Jul 01 2008 R S SMART GROUP LTD Personal purification device
D634160, May 18 2010 Cotapaxi Custom Design and Manufacturing LLC Mug
D644489, Aug 17 2010 Punch Products USA, Inc. Double lid water bottle
D646319, Dec 21 2007 ISTROPOLITANA ADVERTISING, S R O Bottle trumpet
D647805, Apr 19 2010 S C JOHNSON & SON, INC Dispensing system
D648177, Oct 26 2010 ETS EXPRESS, INC Beverage container
RE37216, Dec 23 1999 KX Technologies LLC Water treatment cartridge and base
WO2010056711,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Sep 08 2011KRUCKENBERG, CHRISTOPHER A , MR Whirlpool CorporationASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0269120377 pdf
Sep 08 2011SPINDLER, JEFFREY A , MR Whirlpool CorporationASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0269120377 pdf
Sep 15 2011Whirlpool Corporation(assignment on the face of the patent)
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