Patents
Patents for B01D 35 - Filtering devices having features not specifically covered by groups , or for applications not specifically covered by groups; Auxiliary devices for filtration; Filter housing constructions (28,776)
04/1994
04/12/1994US5302283 Leaf guard and strainer assembly for a gutter downspout
04/12/1994US5301958 Seal for spin-on filter having circumferential retaining groove
04/12/1994CA2001050C Oil filter
04/07/1994DE4233302A1 Vorrichtung zum Filtern von Öl, wie Altöl Apparatus for filtering of oil, such as waste oil
04/06/1994EP0589970A1 Monitoring apparatus.
04/06/1994CN2160455Y Device for dewatering and defogging of smoke
04/06/1994CN2160453Y Mini-treater for water quality
04/06/1994CN2160452Y Device for dusting, desulfurizing and denitrifying
04/05/1994US5300223 Quick connect/disconnect oil filter
04/05/1994US5300221 Filter arrangement
04/05/1994US5299526 Indicators
04/05/1994CA1328229C Apparatus for filtering a reagent
03/1994
03/31/1994WO1994006531A1 Apparatus for removing particulate and volatile contaminants from liquids
03/30/1994EP0589377A1 Fuel filter
03/30/1994EP0588902A1 Rotary filtration device and filter pack therefor
03/30/1994CN1084601A Automatic cistern cleaner and magnetizing filter
03/29/1994US5298162 Multi-stage fluid filter
03/29/1994US5298160 Filter housing with means to prohibit fluid flow
03/29/1994US5298158 Remote dual filtration system
03/29/1994CA1328083C Cartridge and cover assembly for fluid filters
03/23/1994EP0588348A2 Filtration system with improved backwashing capability
03/23/1994EP0588230A1 Separation and filtration device for solid-liquid separation
03/22/1994US5296137 Filtration system with axial flow cartridge
03/17/1994WO1994005395A1 Microporous filtration funnel assembly
03/17/1994EP0588902A4 Rotary filtration device and filter pack therefor.
03/17/1994CA2143421A1 Microporous filtration funnel assembly
03/16/1994EP0586659A1 Method and apparatus for rapidly testing the integrity of filter elements
03/16/1994EP0586591A1 Rotary disc filtration device
03/16/1994EP0504250B1 Filter arrangement
03/16/1994CN2158945Y Anti-blocked sealing ring
03/16/1994CA2104919A1 Paint intake filter guard
03/15/1994US5294337 Water filtration system
03/15/1994US5293899 Fuel tank of oil heater
03/10/1994DE4230214A1 Gravity filter appts. feeds solid/liquid onto filter belt and scraper - to remove filter cake from belt with filtrate removed below belt and drained away
03/09/1994EP0344262B1 Procedure and means for filtering and homogenizing liquid substances
03/09/1994CN2158298Y Multi-stage wet method dust remover
03/08/1994US5292432 Filter for fluids
03/08/1994US5292431 Pressurized percolating filter of the type used for the regeneration of water in aquariums
03/08/1994US5292421 Using acoustical and electrical fields
03/08/1994US5291969 Adapter mechanism for fluid cooling and filtering
03/08/1994US5291863 Spin-on oil filter adapter for six cylinder continental aircraft engines
03/08/1994CA1327482C Pump for filtration systems
03/02/1994EP0584378A1 Domestic filter with device for treating water
03/02/1994CN2158014Y Water-saving long-life service tap
03/02/1994CN1082938A Pulse self-cleaning air filter
03/01/1994US5290607 Method and system for significantly increasing the density of particulates on a substrate
03/01/1994US5290445 Filtering apparatus
03/01/1994US5290443 Faucet with microbial filter
03/01/1994US5290437 Auto-flushing drainage filter system
02/1994
02/23/1994EP0583262A1 Device and process using a worm conveyor for separating materials, in particular solid or coagulated materials, from liquids and/or for concentrating solutions.
02/23/1994EP0501998B1 Device for filtering contaminated liquids, in particular water
02/23/1994CN2157228Y Auto-controlled activated water producer
02/17/1994WO1994003790A1 A method of determining the amount of waste deposited on filter cloths of a drum filter and a device for carrying out the method
02/17/1994WO1994003259A1 Pressure vessel
02/17/1994CA2140776A1 A method of determining the amount of waste deposited on filter cloths of a drum filter and a device for carrying out the method
02/16/1994EP0583149A2 Disposal plug for filter cartridge
02/16/1994CN2155940Y Flush water bath type dust remover
02/16/1994CN2155936Y Electric dust romover
02/16/1994CN2155935Y Dust-proof toxic-proof air filter
02/15/1994US5286387 Effluent filtration and sack filter apparatus
02/15/1994US5286376 Filtering apparatus
02/15/1994US5286163 Molten metal pump with filter
02/15/1994CA1327024C Fluid filter
02/09/1994EP0582159A1 Manually actuated diaphragm pump for an injection system of an internal combustion engine
02/09/1994EP0396721B1 Method of and device for fractionating suspensions
02/09/1994CN2155266Y Dust-removing devulcanizer
02/09/1994CN2155265Y Desulfurizing dust remover
02/09/1994CN2155263Y 液体过滤机 Liquid Filter
02/09/1994CN2155181Y 磁化过滤锅 Magnetization filter pot
02/08/1994US5284586 Fluid flow filter and method of making same
02/08/1994US5284585 Apparatus for re-homogenizing a gas/liquid mixture
02/08/1994US5284582 Fast connection joint of fitting outlet
02/08/1994US5284581 Processing apparatus with wall conditioning shuttles
02/03/1994WO1994002231A1 Filter flow indicator
02/03/1994DE4224721A1 Condition of automotive filters monitored in situ by differential pressure switch - precluding unnecessary filter changes and lowering operating costs
02/02/1994EP0581695A1 Filter assembly including filter unit having deformable sealing end caps
02/02/1994EP0581178A1 Filter cap installation in modular construction
02/02/1994CN2154738Y Water pressure automatic flushing sewage filtering unit
02/02/1994CN2154737Y Air cleaner
02/01/1994US5282963 Magnetically attached magnet for oil filters
01/1994
01/26/1994EP0580501A1 Housing for liquid filters
01/26/1994EP0580491A1 Improvements of liquid filter cartridges and of filters equiped with such cartridges
01/26/1994EP0579798A1 Liquid filtration module and apparatus.
01/26/1994EP0579700A1 Separator for liquid/solid mixtures.
01/26/1994CN2154115Y Two-purpose water treatment apparatus
01/26/1994CN1023594C Water purification equipment and use
01/25/1994US5281344 Water treatment and regeneration
01/25/1994US5281331 Radiator fluid filter
01/25/1994CA1326458C Friction welding process and filter formed thereby
01/20/1994WO1994001196A1 Solid/liquid separation apparatus with adjustable screen
01/20/1994CA2138969A1 Solid/liquid separation apparatus with adjustable screen
01/19/1994EP0579484A1 Filter
01/19/1994CN2153406Y Indoor air purifier
01/18/1994US5279734 Filtration system
01/18/1994US5279728 Pump, discharge conduit
01/18/1994US5279718 Method of electroosmotically dehydrating sludge
01/12/1994EP0578182A2 Electro-endosmosis type dehydrator
01/12/1994EP0577680A1 Filtering device for fluids to be purified.
01/12/1994EP0577660A1 Filter for liquids, in particular internal-combustion engine lubricant oils.
01/12/1994EP0577658A1 Magnetic separators.