Patents
Patents for B01D 27 - Cartridge filters of the throw-away type (5,673)
08/1988
08/11/1988DE3702489A1 Filter apparatus
08/04/1988DE3702156A1 Filter apparatus for filtering contaminated liquids
08/03/1988EP0276795A2 Filtering device for polluted liquids
08/03/1988EP0276579A1 Filter units
08/02/1988CA1239880A1 Pleated filter and method and apparatus for fabricating same
07/1988
07/28/1988WO1988005335A2 Filtering apparatus for contaminated fluids
07/28/1988WO1988005333A1 Improved seal arrangement for fluid filters and method
07/28/1988DE3738718A1 Oil filter with a drain plug
07/26/1988CA1239592A1 Single-ended spin-on fuel water separator
07/14/1988EP0215061A4 Oil refiner with atomizing nozzle.
07/12/1988USRE32711 Arterial blood filter with improved gas venting
07/05/1988US4755289 Lubricant filter for internal combustion engines
06/1988
06/22/1988EP0271486A1 Twist on disposable filter
06/08/1988EP0269895A2 Liquid-filter, in particular for fuels
06/08/1988EP0269769A1 Filtration with biogenetic silica
06/07/1988CA1237677A1 Repelling-action filter unit and assembly
06/01/1988CN87207458U Middle joint of cartridge
05/1988
05/31/1988US4747378 Lubricating oil filter for internal combustion engines, particularly of motor vehicles, with members for monitoring the degree of clogging of the filtration surface
05/25/1988EP0268009A1 Filter cartridge
05/24/1988US4746432 Lubricant filter for internal combustion engine
05/10/1988US4743374 Reinforced spin-on type for high-pressure pulsatile hydraulic systems
05/10/1988CA1236407A1 Filter with end cap which will accommodate flow reversal
05/05/1988WO1988003047A1 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
05/03/1988US4741305 Oil filter by-pass crown part
04/1988
04/27/1988EP0173696A4 Pleated filter and method and apparatus for fabricating same.
04/26/1988US4740299 For fuel filters, self-sealing threaded o-ring
04/19/1988US4738778 Multiple segments with variable gaps between; pressure balancing; internal combustion engines; oils
04/19/1988US4738776 Lubricant filter assembly
04/06/1988EP0262151A1 Filter pump head assembly.
04/05/1988US4735716 Quick-change filter cartridge and head therefor
03/1988
03/23/1988CN87210912U 净水器 Water Purifier
03/22/1988US4732678 Pleated; for oil, gasoline
03/22/1988US4732671 Diesel fuel filter/water separator
03/16/1988EP0260069A2 Filter assembly with threaded collection bowl
03/16/1988EP0259594A2 Annular filter element
03/02/1988EP0257794A1 Filter element
03/02/1988EP0257265A2 Diesel fuel filter/water separator.
02/1988
02/24/1988CN87203345U Separating unit for dirt
02/16/1988US4725354 For water treatment; disposable cartridge
02/10/1988EP0255768A2 Adapter assembly for filter arrangement
02/10/1988EP0255591A1 Filter casing
02/03/1988EP0254776A2 Filter for lubricants of internal combustion engines, with a reserve of additives
01/1988
01/28/1988EP0238510A4 Water filtering system.
01/25/1988EP0188524A4 Filter with end cap which will accomodate flow reversal.
01/12/1988US4719012 Removing pollutants from fluid system
01/07/1988EP0250861A2 A lubricant filter assembly and method for mounting the same
12/1987
12/22/1987US4714546 Potable water filter
12/17/1987EP0242357A4 Nonmetallic clean side spin-on filter.
12/16/1987EP0249395A2 Filter assembly
12/08/1987US4711717 Filter cartridge for fluids
12/03/1987WO1987007177A1 Twist on disposable filter
12/03/1987WO1987007176A1 Twist on disposable filter
11/1987
11/17/1987CA1229312A1 Convertible liquid filter
11/04/1987EP0243346A1 Filter.
11/04/1987CN87202056U Oil concentrating unit
11/03/1987US4704207 Filter cartridge including external cell separators
11/03/1987US4704202 Water filtering system
10/1987
10/29/1987DE3613093A1 Filter for liquids, in particular for the lubricating oil of internal-combustion engines
10/28/1987EP0242357A1 Nonmetallic clean side spin-on filter
10/27/1987US4702790 Plastic housing, glue receiving means
10/22/1987WO1987006306A1 Filter pump head assembly
10/21/1987CN87102298A Self-cleaning fluid filter
10/20/1987US4701258 Filter housings
10/20/1987CA1228303A1 Filter assembly
10/06/1987CA1227758A1 Liquid filter with combined filtration bag and lid sealing gasket
09/1987
09/30/1987EP0238510A1 Water filtering system.
09/22/1987US4695377 Fluid filter having separable elements
09/16/1987EP0237257A2 Cartridge filter
09/16/1987EP0236733A2 Filter
09/09/1987EP0236115A2 Self-cleaning fluid filter
09/09/1987EP0236071A2 Filtering apparatus
09/08/1987US4692245 Filter assembly with high pressure connection to collection bowl
09/08/1987US4692196 Apparatus and method for wrapping an external tape support about a filter element assembly
09/02/1987EP0233999A2 Filter cartridge including external cell separators
09/01/1987US4690621 Filter pump head assembly
08/1987
08/27/1987DE3622153C1 Filter arrangement with filter and filter base
08/25/1987US4689144 Disposable filter unit for automatic transmission fluid
08/18/1987CA1225601A1 Regenerable flow-through oil/water separation apparatus
08/12/1987EP0231862A2 Quick-change filter cartridge and head therefor
07/1987
07/28/1987US4683055 In conduit between fuel tank and fuel injection pump
07/14/1987US4680118 Pleated and sealed filter cartridge with connected film
07/07/1987US4678577 Seamless vessel for self contained filter assembly
07/07/1987CA1223825A1 Apparatus for assembly and disassembly of a filter construction
07/02/1987WO1987003819A1 An apparatus and method for wrapping an external tape support about a filter element assembly
06/1987
06/30/1987US4676895 Fluid flow baffle for fuel processor
06/09/1987CA1222701A1 Filter assembly
05/1987
05/27/1987EP0223569A2 Filtering system
05/26/1987US4668393 Spiral channel to collect pollutants, such as water
05/13/1987EP0221675A2 Fluid filter and method for attaching same in sealing relation to a filter mount
05/13/1987EP0221527A2 Hydraulic filter system for excavation equipment
05/05/1987US4663034 Hydraulic filter system for excavation equipment
04/1987
04/09/1987WO1987001957A1 Nonmetallic clean side spin-on filter
04/07/1987US4655914 Method and apparatus for filtering impurities out of fluid
04/01/1987EP0091941B1 High strength spin-on filter
03/1987
03/31/1987US4654142 Filtering system
03/25/1987EP0215061A1 Oil refiner with atomizing nozzle
03/24/1987CA1219529A1 Separating device and cartridge therefor
03/12/1987EP0160643A4 Oil filter assembly having a removable filter member.
03/11/1987EP0213930A2 Method and structure for integral forming of filter cartridge end caps
03/11/1987EP0213889A2 Fluid flow baffle for fuel processor
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