Patents
Patents for B01D 46 - Filters or filtering processes specially modified for separating dispersed particles from gases or vapours (42,125)
07/1997
07/31/1997DE19602463A1 Wire wool detection device
07/31/1997DE19601978A1 Filter element comprising folded material for suspended material in gases
07/31/1997CA2214504A1 Precipitator for diesel or petrol engine exhaust combustion, and related method
07/30/1997EP0786104A1 Filter for a photothermographic developer
07/29/1997US5651811 For vacuum cleaner
07/29/1997US5651810 Apparatus and method for filtering and sampling airborne respiratory contaminants
07/29/1997US5651803 Modular air-handling system with sealing devices
07/29/1997US5651802 Fluid filter for separating entrained particulate matter from a moving fluid stream
07/29/1997US5651250 Diesel particulate filter apparatus
07/29/1997US5651248 Diesel particulate filter apparatus
07/23/1997EP0785109A1 Airbag expansion gas generator
07/23/1997EP0785013A1 Air filter, process for preparing air filter, local facilities, clean rooms, treatments, and process for preparing filter medium
07/22/1997US5649986 Filter for filtering the intake air of an internal combustion engine
07/16/1997EP0783915A1 Filter having integral frame
07/16/1997EP0783914A1 Filter element for air cleaner
07/16/1997EP0719175B1 Air cleaner construction
07/15/1997US5647950 Filter assembly with a spin welded end cap
07/15/1997US5647893 Method for filtering lubricant from a lubricant/compressed gas mixture flowed through a pressure relief valve in a compressor
07/15/1997US5647890 Filter apparatus with induced voltage electrode and method
07/15/1997US5647889 Vacuum system, filters and trash waste automatically removed from filters and controllers
07/15/1997US5647880 Pressure relief valve with filter
07/10/1997WO1997024516A1 Device for removing particulate materials from exhaust gas of diesel vehicles
07/10/1997WO1997024170A1 Filter apparatus
07/10/1997WO1997024169A2 Separation arrangement
07/09/1997EP0689622B1 Composite fiber of commingled fiberglass and polytetrafluoroethylene and method of producing same
07/09/1997CN2257495Y 气体过滤器 Gas Filter
07/08/1997US5645720 Mounting head with by-pass valve for use with cartridge filters
07/08/1997US5645478 Material elevator filter apparatus
07/08/1997US5645296 Air bag inflation gas generator
07/03/1997WO1997023748A1 Flush lighting system for cleanroom
07/03/1997WO1997023360A1 Air filter device and an automobile having the same
07/03/1997WO1997023267A1 Laminate filter media
07/03/1997WO1997023265A1 High efficiency dust sock
07/03/1997DE19654188A1 Air filter element for IC engines
07/03/1997CA2239063A1 Laminate filter media
07/03/1997CA2239033A1 High efficiency dust sock
07/02/1997EP0781601A2 Removal of oil from compressed gas with macroporous polymeric adsorbent
07/02/1997EP0781587A1 Apparatus for dedusting a gas
07/02/1997EP0781586A2 Ring filter insert
07/02/1997EP0781585A1 Apparatus for dedusting a gas and process for cleaning at least one filter of the apparatus
07/02/1997EP0692995B1 A method for closing a passage in a filter body sample
07/01/1997US5643539 Regenerative incineration system
07/01/1997US5643345 Automotive air bag filter with support member
07/01/1997US5642781 Multi-passage sand control screen
06/1997
06/30/1997CA2192514A1 Removal of oil from compressed gas with macroporous polymeric adsorbent
06/26/1997WO1997022796A1 Air cleaner for automobile
06/26/1997WO1997022795A1 Air filter element
06/26/1997WO1997022403A1 Method for cleaning process gases
06/26/1997DE19548197A1 Pleated filter insert production
06/26/1997DE19547575A1 Luftfilterelement Air filter element
06/25/1997EP0780148A1 Filtration device or membrane device with increasing thickness walls
06/25/1997EP0779832A1 Air cleaner having removable end cap
06/25/1997EP0689639B1 A flue gas filter comprising a heating element positioned in the axial interstice between two filter segments
06/25/1997CN2256762Y Dust filtering fan
06/25/1997CN1152547A Method for preparing high-pureness carbon dioxide
06/24/1997US5641343 Room air cleaner
06/24/1997US5641340 Method for filtering air in laminar flow
06/24/1997US5641339 Tangential separator and method
06/24/1997US5641332 Cross-flow filtration device having matrix of porous walls defining plurality of constant hydraulic diameter cells exhibiting increasing aggregate wall thickness as cells advance from central longitudinal axis to peripheral surface
06/24/1997US5641331 Filter suspension system for a modular air handling system
06/24/1997US5640937 Air induction assembly
06/19/1997DE19546672A1 Band filter for car airflow conditioning
06/18/1997CN1035155C Module for filtering, separating, purifying gases or liquids, or catalytic conversion
06/17/1997US5639700 Thermal insulation containing corrugated nonwoven web of polymeric microfiber
06/17/1997US5639370 Compound layer resin bonded filter cartridge
06/17/1997US5639287 Filter system for filtering fluids
06/12/1997WO1997020615A1 An arrangement relating to bag-like filters
06/12/1997DE19545046A1 Folded filter pack flexible in only one direction of flexible filter medium
06/11/1997EP0778074A2 Inorganic tubular filter element comprising channels with a non-circular cross-section and having optimised profiles
06/11/1997EP0778073A1 Inorganic tubular filter element having a high filtration surface and mechanical strength
06/11/1997EP0778066A1 Filter condition sensor and indicator
06/11/1997EP0778065A1 Solvent adsorbing apparatus and recuperation using condensation
06/11/1997EP0777516A1 Method for the physical/chemical separation of the components of a fluid
06/11/1997CN2255873Y High precisive quick-action oxygen filter
06/10/1997US5637271 Method of producing non-woven fabrics for use in filters
06/10/1997US5637216 Filter matting for a reversible-flow filter
06/10/1997US5637125 Air filter assembly for pneumatic tool
06/10/1997US5637124 Modular air cleaning system
06/10/1997US5636422 Baghouse filter installation manifold
06/10/1997CA2122970C Modular dust collector
06/05/1997DE19545064A1 Filter cartridge for use as gas filter
06/05/1997DE19544790A1 Disposable vacuum cleaner dust bag
06/04/1997EP0776283A1 Air bag inflator and method of manufacture thereof
06/04/1997CN2255305Y Combined multi-function return-air filter
06/03/1997US5635665 Linear gas generant and filter structure for gas generator
06/03/1997US5634953 Extruder venting system with vacuum shuttle valve
05/1997
05/29/1997WO1997018884A1 Surface filtration and surface filter
05/29/1997WO1997018883A1 Filter sleeve
05/29/1997CA2237991A1 Surface filtration and surface filter
05/28/1997EP0775012A1 Filter unit and process for manufacturing a filter unit
05/28/1997DE19611150A1 Particle filter for internal combustion engine
05/27/1997US5632793 Filter hose assembly employing a conical filter element
05/27/1997US5632792 Air induction filter hose assembly
05/27/1997US5632791 Unitary filter cartridge
05/27/1997US5632243 In an internal combustion engine
05/22/1997WO1997018027A1 Visible restricted filter indicator
05/22/1997WO1997018026A1 A method of operating a filter cleaning system, a valve and an air/gas cleaning assembly
05/22/1997DE19542886A1 Exhaust cleaning system for diesel engine with soot collection and combustion
05/22/1997DE19542859A1 Oberflächenfiltration- und -filter Oberflächenfiltration- and filters
05/22/1997CA2209716A1 Visible restricted filter indicator