| Patents for B01D 27 - Cartridge filters of the throw-away type (5,673) |
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| 07/08/1980 | US4211543 Air cleaner with replaceable filter element |
| 05/28/1980 | EP0011189A1 Device with a membrane for damping oscillations in flowing liquids |
| 05/14/1980 | EP0010705A1 Filtering apparatus having interconnected parts |
| 04/22/1980 | CA1076041A1 Filters for liquids or gases |
| 04/22/1980 | CA1076035A1 Seal for cartridge-type filter assemblies |
| 04/08/1980 | CA1075167A1 Filter |
| 04/01/1980 | US4196027 Method of making filter elements for gas or liquid |
| 02/19/1980 | US4189351 Oil reclamation device |
| 02/19/1980 | CA1072020A1 Filter cartridge with wall surface deformations extending into the medium |
| 02/05/1980 | CA1071115A2 Filter cartridge for thermoplastic applicator system |
| 01/01/1980 | CA1069059A Filters |
| 11/29/1979 | WO1979000978A1 Air cleaner with replaceable filter element |
| 11/20/1979 | CA1066634A1 Blood filter media |
| 11/06/1979 | CA1065762A1 Liquid filter |
| 10/30/1979 | US4172797 Dual media filter |
| 10/17/1979 | EP0004724A2 Coalescing method and apparatus and purified products obtained therewith |
| 09/25/1979 | US4169058 Filter end cap interference fit structure |
| 09/18/1979 | US4168237 For oil filters |
| 09/18/1979 | CA1062631A1 Disposable filter unit |
| 09/11/1979 | CA1062171A1 Oil filter with oil additive generator |
| 09/04/1979 | US4166792 In-line fluid filter |
| 08/14/1979 | US4164384 Rotary vane vacuum pump with filter means for inlet |
| 08/07/1979 | CA1059925A1 Filter cartridge for thermoplastic applicator system |
| 07/24/1979 | CA1059036A1 Removable filter assembly with bypass valve |
| 07/10/1979 | US4160738 Households |
| 06/05/1979 | CA1055857A1 In-line fluid filter |
| 06/05/1979 | CA1055855A1 Electrostatic charge reduction in filter-separators |
| 03/20/1979 | CA1050903A1 Cartridge filter |
| 03/13/1979 | US4144168 Filters engine oil in automobiles |
| 02/20/1979 | CA1048941A1 Filter assembly |
| 12/19/1978 | US4130487 Filters for liquids or gases |
| 11/28/1978 | US4127484 Filter relief valve assembly |
| 11/21/1978 | US4126557 Fuel oil filter |
| 09/05/1978 | CA1037879A1 Spiral bowl attachment |
| 08/22/1978 | CA1036958A1 Filter cassette wit removable capsule |
| 08/22/1978 | CA1036951A1 Filter mounting and bypass valve assembly |
| 08/15/1978 | US4107046 Water purifier |
| 08/15/1978 | US4106659 Pressure vessel |
| 07/25/1978 | US4102792 Disposable filter element |
| 06/13/1978 | US4094793 Filter apparatus, especially for a liquid to be fed to a power-plant condenser |
| 06/13/1978 | US4094789 Sulfur gas removing and solid particle filter for well water |
| 06/13/1978 | US4094715 Method and apparatus for applying foam insulation to pipe |
| 05/02/1978 | US4087363 Filter for blood |
| 04/04/1978 | US4082676 Dirt filter for water pipes |
| 02/21/1978 | US4075098 Masking elements for dissolving oil improving body in an oil filter |
| 02/21/1978 | US4075097 Soluble polymer containing oil additives |
| 12/27/1977 | US4065392 Jet fuels and hydrocarbon treatment |
| 12/27/1977 | US4065341 Method of making a liquid filter |
| 12/13/1977 | US4062781 Disposable filter with interchangeable end elements |
| 11/22/1977 | US4059519 Pump basket strainer and assembly |
| 11/15/1977 | US4058459 Liquid filter apparatus |
| 11/08/1977 | US4057502 Seal for cartridge-type filter assemblies |
| 11/08/1977 | US4056876 Method of making a filter |
| 11/01/1977 | US4056476 Blood filter media |
| 10/04/1977 | US4052307 Universal filter mounting attachment |
| 09/27/1977 | US4051036 Filter for liquids |
| 09/06/1977 | US4046696 Extracorporeal circuit blood filter |
| 08/30/1977 | US4045349 Filter with multiple attaching means |
| 07/26/1977 | US4038194 Blood filter unit |
| 07/19/1977 | US4036755 Filter for cleaning lubricating oil in internal combustion engines |
| 07/12/1977 | US4035306 Removable cartridge filter |
| 07/05/1977 | US4033880 Filter device |
| 06/07/1977 | US4028243 Relief valve for a fluid filter assembly |
| 05/03/1977 | US4021342 Fuels, hydraulic fluids |
| 04/12/1977 | US4017400 Oil filter |
| 10/26/1976 | US3988244 Cartridge filter |
| 10/12/1976 | US3985657 Fluid filter cartridge |
| 10/05/1976 | US3984318 Oil filter |
| 08/17/1976 | US3975273 Two-stage fluid filter |
| 05/18/1976 | US3957640 Elastomeric antidrainback valve |
| 05/18/1976 | US3957469 Filter cassette with removable capsule |
| 05/04/1976 | US3954624 Filter cartridge assembly |
| 04/13/1976 | US3950251 Filter with quick-connect coupling |