US532939A (en) | | 1895-01-22 | | Filter |
US2580209A (en) | 1949-01-12 | 1951-12-25 | Robert D Wiley | Filter for fluids |
US2720278A (en) | 1954-02-23 | 1955-10-11 | Master Pneumatic Inc | Fluid filtering device |
US3375933A (en) | 1965-02-01 | 1968-04-02 | Fram Corp | Semi-rigid polymer encapsulated filter medium containing an unencapsulated adsorbent material |
US3538020A (en) | 1966-09-23 | 1970-11-03 | Kata Mfg & Filtering Co The | Fluid purification device containing a cartridge of polymer entrapped aggregate particles |
US3721072A (en) | 1970-07-13 | 1973-03-20 | Calgon Corp | Bonded activated carbon air filter |
US3746642A (en) | 1971-04-20 | 1973-07-17 | Minnesota Mining & Mfg | Sintered powdered metal filter |
US3788486A (en) | 1971-09-30 | 1974-01-29 | Minnesota Mining & Mfg | Filter |
USD245999S (en) | 1975-02-12 | 1977-10-04 | Norton Company | Support block for chemical tower packing |
DE2919901C3 (en) | 1979-05-17 | 1995-09-07 | Brita Wasserfilter | Water purification device |
DE3409828A1 (en) | 1984-03-17 | 1985-09-19 | Brita Wasserfilter GmbH, 6204 Taunusstein | INSERT FOR A WATER PURIFICATION DEVICE |
US4664683A (en) | 1984-04-25 | 1987-05-12 | Pall Corporation | Self-supporting structures containing immobilized carbon particles and method for forming same |
US4665050A (en) | 1984-08-13 | 1987-05-12 | Pall Corporation | Self-supporting structures containing immobilized inorganic sorbent particles and method for forming same |
US4753728A (en) | 1986-04-07 | 1988-06-28 | Amway Corporation | Water filter |
US5017318A (en) | 1986-04-07 | 1991-05-21 | Amway Corporation | Method of making a water filter |
US4859386A (en) | 1986-04-07 | 1989-08-22 | Amway Corporation | Method of making a water filter |
DE3810441C2 (en) | 1988-03-26 | 1994-09-08 | Brita Wasserfilter | Water purification device with an inlet funnel |
DE8805718U1 (en) | 1988-04-30 | 1988-07-21 | Brita Wasser-Filter-Systeme Gmbh, 6204 Taunusstein | Sieve cover for a cleaning insert in a water treatment device with a hollow tube |
EP0345381A3 (en) | 1988-06-07 | 1991-04-10 | The Clorox Company | Liquid filter |
US4980073A (en) | 1988-07-06 | 1990-12-25 | The Clorox Company | Valve stem for a filter device |
US5019311A (en) | 1989-02-23 | 1991-05-28 | Koslow Technologies Corporation | Process for the production of materials characterized by a continuous web matrix or force point bonding |
US5024764A (en) | 1989-03-17 | 1991-06-18 | Ametek, Inc. | Method of making a composite filter |
DE3918561C2 (en) | 1989-06-07 | 1997-09-11 | Brita Wasserfilter | Water treatment device |
JPH04225806A (en) | 1990-12-27 | 1992-08-14 | Kanebo Ltd | Dual construction filter container |
US5189092A (en) | 1991-04-08 | 1993-02-23 | Koslow Technologies Corporation | Method and apparatus for the continuous extrusion of solid articles |
US5443735A (en) | 1991-09-12 | 1995-08-22 | Pall Corporation | Method and device for inhibiting bacterial growth on sorbent media |
US5225078A (en) | 1992-03-04 | 1993-07-06 | Ametek, Inc. Plymouth Products Division | Pour-through pitcher filter |
US5344558A (en) | 1993-02-16 | 1994-09-06 | Amway Corporation | Water filter cartridge |
US5352274A (en) | 1993-05-10 | 1994-10-04 | Blakley Richard L | Air filter and method |
CA2098127C (en) | 1993-06-10 | 1997-03-18 | Brian Feeney | Air inlet valve for water cooler |
USD380535S (en) | 1993-09-10 | 1997-07-01 | Carsten Joergensen | Combined filter cartridge and lid therefor |
US5679248A (en) | 1995-12-19 | 1997-10-21 | Kimberly-Clark Worldwide, Inc. | Coextruded blocks and applications therefor |
US5922803A (en) | 1997-02-26 | 1999-07-13 | Koslow; Evan E. | Thin-walled, extruded activated carbon filter |
US6395190B1 (en) | 1996-02-26 | 2002-05-28 | Kx Industries, L.P. | Process employing thin-walled, extruded activated carbon filter |
US5700371A (en) | 1996-04-24 | 1997-12-23 | Kx Industries, L.P. | Water treatment cartridge and base |
DE19632538A1 (en) | 1996-08-13 | 1998-03-12 | Brita Wasserfilter | Filter cartridge with sieve in an outlet opening |
DE19631687A1 (en) | 1996-08-06 | 1998-02-12 | Brita Wasserfilter | Filter device with fabric insert |
USD398184S (en) | 1996-09-30 | 1998-09-15 | The Clorox Company | Water pitcher |
WO1998017368A1 (en) | 1996-10-18 | 1998-04-30 | Chapman Rick L | High efficiency permanent air filter |
US20020195407A1 (en) | 1997-03-18 | 2002-12-26 | Ehud Levy | Purfication media |
US6290848B1 (en) | 1997-04-16 | 2001-09-18 | Pur Water Purification Products, Inc. | Filter cartridge for gravity-fed water treatment devices |
US5873995A (en) | 1997-05-06 | 1999-02-23 | The Clorox Company | End-of-life indicator for water treatment device |
DE19731092A1 (en) | 1997-07-19 | 1999-01-21 | Brita Wasserfilter | Device for indicating the exhaustion of a detergent |
US6524477B1 (en) | 1997-08-27 | 2003-02-25 | Rich Buhler | Gravity-flow filtration cartridge for the removal of microorganisms and/or other contaminants |
USD415922S (en) | 1997-09-29 | 1999-11-02 | The Clorox Company | Water pitcher and cover |
USD405157S (en) | 1998-02-23 | 1999-02-02 | The Clorox Company | Water filter cartridge |
GB9805224D0 (en) | 1998-03-12 | 1998-05-06 | Philips Electronics Nv | Air filters |
US6238552B1 (en) | 1998-09-04 | 2001-05-29 | Roy T. Shannon | Universal insert for a water purifier |
US6290847B1 (en) | 1998-12-17 | 2001-09-18 | Corning Incorporated | Gravity-flow water filtration device |
US6280824B1 (en) | 1999-01-29 | 2001-08-28 | 3M Innovative Properties Company | Contoured layer channel flow filtration media |
USD416163S (en) | 1999-03-09 | 1999-11-09 | The Clorox Company | Water pitcher |
US6290646B1 (en) | 1999-04-16 | 2001-09-18 | Cardiocom | Apparatus and method for monitoring and communicating wellness parameters of ambulatory patients |
CN1213769C (en) | 1999-07-21 | 2005-08-10 | 宝洁公司 | MIcroorrganism filter and method for removing microorganism from water |
DE19952757A1 (en) | 1999-11-02 | 2001-05-03 | Brita Gmbh | Filter device for liquids |
USD435084S (en) | 1999-12-06 | 2000-12-12 | The Clorox Company | Water filter |
US6638426B1 (en) | 2000-07-07 | 2003-10-28 | The Clorox Company | Water purifying apparatus |
RU2171744C1 (en) | 2000-09-28 | 2001-08-10 | Общество с ограниченной ответственностью "Аквафор" | Method and device for continuous extrusion of filter elements |
US6368504B1 (en) | 2000-11-06 | 2002-04-09 | Alticor Inc. | Carbon block water filter |
US8080160B2 (en) | 2000-12-25 | 2011-12-20 | Mitsubishi Rayon Co., Ltd. | Pitcher type water purifier and purification cartridge for the water purifier |
DE10159809B4 (en) | 2001-12-05 | 2020-07-16 | Endress + Hauser Flowtec Ag | Vibration type sensor |
US6630016B2 (en) | 2002-01-31 | 2003-10-07 | Koslow Technologies Corp. | Microporous filter media, filtration systems containing same, and methods of making and using |
RU2344085C2 (en) | 2002-06-19 | 2009-01-20 | Юнилевер Н.В. | Water-treatment system |
GB2390987A (en) | 2002-12-17 | 2004-01-28 | Unilever Plc | A carbon containing filtration medium |
US6989101B2 (en) | 2003-04-04 | 2006-01-24 | The Clorox Company | Microorganism-removing filter medium having high isoelectric material and low melt index binder |
US7303683B2 (en) | 2003-04-04 | 2007-12-04 | The Clorox Company | Microorganism-removing filter medium having high isoelectric material and low melt index binder |
US7441665B2 (en) | 2003-10-01 | 2008-10-28 | Halosource, Inc. | Water purification cartridge |
US7378015B2 (en) | 2003-12-18 | 2008-05-27 | The Clorox Company | Filtered water enhancements |
WO2005094966A1 (en) | 2004-03-16 | 2005-10-13 | Unilever N.V. | Filter media |
BRPI0508282B1 (en) | 2004-03-19 | 2015-08-18 | Unilever Nv | Gravity fed water purification system and device. |
US20060021928A1 (en) | 2004-04-12 | 2006-02-02 | David Nelson | Efficient Water Filters |
US7169466B2 (en) | 2004-05-21 | 2007-01-30 | The Clorox Company | Multiple-component binder systems for porous composite blocks |
US20060000763A1 (en) | 2004-06-30 | 2006-01-05 | Rinker Edward B | Gravity flow carbon block filter |
WO2006037420A1 (en) | 2004-09-30 | 2006-04-13 | Unilever N.V. | Water purification device |
USD529127S1 (en) | 2005-04-15 | 2006-09-26 | Glenn Cueman | Universal water filter |
WO2006121932A1 (en) | 2005-05-08 | 2006-11-16 | 3M Innovative Properties Company | Filter cartridge and method of construction thereof |
US7396461B2 (en) | 2006-03-20 | 2008-07-08 | Filtrex Holdings Pte, Ltd. | Filter cartridge for gravity-fed water treatment device |
USD615150S1 (en) | 2007-09-20 | 2010-05-04 | Omnipure Filter Co., Inc. | Filter block for liquid filtration |
EP2076324A2 (en) | 2006-09-20 | 2009-07-08 | Omnipure Filter Company, Inc. | Filter with improved media utilization and methods of making and using same |
USD617869S1 (en) | 2009-03-25 | 2010-06-15 | Omnipure Filter Co., Inc. | Filter block for liquid filtration |
USD615149S1 (en) | 2007-09-20 | 2010-05-04 | Omnipure Filter Company, Inc. | Filter block for liquid filtration |
USD614259S1 (en) | 2007-09-20 | 2010-04-20 | Omnipure Filter Company, Inc. | Filter block for liquid filtration |
USD612906S1 (en) | 2007-09-20 | 2010-03-30 | Omnipure Filter Company, Inc. | Filter block for liquid filtration |
USD579515S1 (en) | 2008-01-15 | 2008-10-28 | The Clorox Company | Water filter |
USD618761S1 (en) | 2009-03-25 | 2010-06-29 | Omnipure Filter Company, Inc. | Filter block for liquid filtration |