Patents
Sitemap › B01 - Physical or chemical processes or apparatus in general › B01D - Separation › B01D 27 - Cartridge filters of the throw-away type
Patents for B01D 27 - Cartridge filters of the throw-away type (5,673)
02/1990
02/22/1990DE3923476A1 Auswechselbares filter fuer eine treibstoff- oder schmierfluessigkeit eines motors Replaceable filters for a fuel-schmierfluessigkeit or a motor
02/20/1990CA1266008A1 Semipermeable baffle fuel filter
02/13/1990US4900441 Small filter and method of its manufacture
01/1990
01/25/1990WO1990000433A1 Liquid filter
01/25/1990WO1990000432A1 Liquid filter
01/23/1990US4895648 Filter cover for a purification insert in a water treatment device with a hollow tube
01/03/1990CN1006281B Self-cleaning fluid filter
12/1989
12/27/1989EP0104256B1 Low volume, large area filters for iv or blood filtration
12/20/1989EP0346692A1 Plastic fluid filter and method for manufacturing same
12/12/1989US4886599 Filter cartridge with series elements for chemical and mechanical filtration
12/06/1989CN2048779U Tansverse flow water clarifier
12/06/1989CN2048778U High-performance filter core
12/05/1989US4885082 Multiple lubricating oil filter for internal combustion engines, with a member for monitoring the degree of clogging of the filtration surface
11/1989
11/29/1989EP0343976A2 Filtering apparatus
11/29/1989CN1037464A Filter cover for purification insert in water treatment device with hollow tube
11/23/1989EP0342308A2 Integrated separator for solid and gaseous contaminants in a fluid
11/21/1989US4882056 Cartridges
11/15/1989EP0341349A2 Disposable oil filter unit with triple filtration
11/15/1989EP0341263A1 Fluid filters.
11/08/1989EP0340382A2 Screen cover for a cleaning insert in a water regeneration device with a hollow tube
11/08/1989CN2047194U Copolymerization gas floating tank for water purification
11/07/1989US4879035 All season fuel filter
11/07/1989US4878924 Integrated separator for solid and gas contaminants in engine oil
11/02/1989DE3813775A1 Liquid filter
11/02/1989DE3813628A1 Filter for liquid fuels
10/1989
10/31/1989US4877521 Quick-change filter cartridge and head therefor
10/25/1989CN1036514A Water purification device with intake-funnel
10/10/1989US4872976 Oil filter with multiple function valve
10/05/1989DE3815145C1 Filter body made of a zigzag-shaped pleated web
10/04/1989EP0335571A2 Spiral wrapped fluid treatment element
10/04/1989EP0335066A2 Water purification device with inlet funnel
10/03/1989US4871455 Filter assembly with lockable lug means
09/1989
09/12/1989US4865632 Integrated separator for solid and gaseous contaminants in a fluid
09/06/1989EP0330651A1 Filter for hydraulic systems having packing with constant side action for the screw-on cartridge unit and having a glogging indicator responding to differentiated pressure
09/05/1989US4863599 Filter arrangement
08/1989
08/30/1989EP0330569A1 Spin-on filters with grooved casing or the like
08/22/1989US4859328 Twist on disposable filter
08/22/1989CA1258643A2 Cylindrical fibrous structures and method of manufacture
08/16/1989EP0328038A2 Small size plastic filter and its production process
08/16/1989EP0327715A1 Disposable filter
08/15/1989US4857195 Liquid filter with a distorting portion for transmitting hydraulic forces
08/15/1989US4857191 Filter device
08/15/1989US4857189 Filter cartridge with a lugged concentric closure portion
08/09/1989EP0262151A4 Filter pump head assembly.
08/08/1989US4855047 High pressure spin-on filter
08/01/1989US4853118 Liquid filter
07/1989
07/27/1989WO1989006567A1 Filter apparatus for filtering a liquid
07/26/1989EP0324973A1 Oil filter head for internal combustion engines
07/25/1989US4851117 Filter device
07/12/1989EP0323786A2 Fluid filter for internal-combustion engines, and its production
07/12/1989EP0323701A1 Fluid filter apparatus
07/05/1989EP0322828A1 Anti-drainage valve for oil filters for internal combustion engines
06/1989
06/27/1989US4842739 High surface area filter cartridge
06/07/1989EP0319518A2 Oil filter for the purification of lubricating oil
06/07/1989EP0318832A2 Filtering device
06/06/1989US4836923 Cartridge and cover assembly for fluid filters
05/1989
05/31/1989CN1033163A Bag-type whirlwind dust remover
05/30/1989US4834885 Seal arrangement for fluid filters
05/23/1989US4832844 Seal for a spin-on filter
05/23/1989US4832836 Series filters
05/16/1989CA1254155A1 Locking apparatus for filter elements
05/10/1989EP0314963A2 Plastic casing
05/10/1989EP0314915A2 Filter for the purification of lubricating oil
05/09/1989US4828698 Filtering apparatus
05/02/1989US4826597 Filter assembly with removable sheet
04/1989
04/20/1989DE3733971A1 Paper filter for filtering liquids
04/11/1989US4820409 Plastic pressure relief valve assembly
03/1989
03/29/1989CN1031943A Filter of depth layer type
03/28/1989CA1251674A1 Apparatus and method for wrapping an external tape support about a filter element assembly
03/23/1989WO1988005335A3 Filtering apparatus for contaminated fluids
03/22/1989EP0162053B1 Single-ended, spin-on fuel water separator
03/15/1989EP0307234A2 Process for producing a filter element
03/09/1989WO1989001815A1 Liquid filter
02/1989
02/22/1989EP0304207A2 High surface area filter cartridge
02/22/1989EP0303937A2 Filter of depth layer type
02/21/1989US4806240 Adapter and cartridge assembly
02/15/1989CN2032497U Dual-purpose machine for continuous centrifuged squeezing and filtering of juice
02/09/1989WO1989000880A1 Filter cartridge
02/07/1989US4802979 Fluid filter having separable elements and removable end closures
01/1989
01/18/1989EP0299035A1 Filtering apparatus for contaminated fluids
01/17/1989CA1248879A1 Filtering unit
12/1988
12/20/1988CA1247161A1 Filter sealing gasket with reinforcement ring
12/15/1988DE3724805A1 Combined main flow filter and partial flow filter
12/14/1988EP0294837A2 Adapter and cartridge assembly
12/14/1988CN88202590U Kang ming si filter assemble with changeable wick
12/13/1988US4790938 Filter for removing particulate matter from fluid within a movable body
12/01/1988DE3803761A1 Vorrichtung zur reinigung von fluessigkeiten Apparatus for purification of liquids
11/1988
11/23/1988CN87105972A Device for purifying oil and water
11/08/1988US4783256 Adapter assembly for filter arrangement
11/03/1988WO1988008324A1 Quick-change filter cartridge and head therefor
10/1988
10/26/1988EP0160643B1 Oil filter assembly having a removable filter member
10/25/1988US4780202 Filtering unit using a diaphragm between a pair of opposite grooved backing surfaces
10/19/1988EP0287527A2 Multiple lubricating oil filter for internal combustion engines, with a member for monitoring the degree of clogging of the filtration surface
10/05/1988EP0285416A1 Fuel filter assembly with heater
09/1988
09/28/1988EP0284264A2 High pressure spin-on filter
09/20/1988CA1242153A1 Single cartridge filter
09/01/1988DE3805361A1 Integral filter for fluids made of a plurality of filter elements stacked one inside the other having different retention capacities and housing therefor
08/1988
08/31/1988CN88101118A Filter assembly for filtering contaminated liquids
08/25/1988DE3704468A1 Oil filter with main and secondary flow
08/16/1988US4764275 Fluid filter and method for attaching same in sealing relation to a filter mount
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