Patents
Sitemap › B01 - Physical or chemical processes or apparatus in general › B01D - Separation › B01D 29 - Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups; filtering elements therefor
Patents for B01D 29 - Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups; filtering elements therefor (33,527)
12/1991
12/04/1991EP0333807B1 Process and installation for decanting liquids, in particular raw juices
12/04/1991EP0238510B1 Water filtering system
12/04/1991CN2089836U Magnetic filter frame
12/04/1991CN2089835U Filter
12/03/1991US5069791 Filter apparatus
12/03/1991US5069790 Multiple disc type filter and disc construction useful therein
12/03/1991US5069786 Filter apparatus snap lock cartridge retainer
12/03/1991US5069784 Coagulation reaction tank
12/03/1991US5069755 Dry cleaning solvent filtration and steam distillation recovery system
12/03/1991US5069279 Well structure having a screen element with wire supporting rods
11/1991
11/28/1991WO1991017812A1 Method of treating a suspension
11/28/1991WO1991017811A1 Self-cleaning filter for fluid distribution systems
11/28/1991WO1991017808A1 Improvements in or relating to screening panels
11/28/1991WO1991017807A1 Band screen
11/27/1991EP0458413A1 A method and device for removing liquid from a mixture of liquid and solid matter
11/27/1991EP0429551A4 Continuous backwashing filter apparatus
11/27/1991CN1056439A Filter core for whole flow depth purifier of lubricating oil
11/27/1991CA2042705A1 Filter candle
11/21/1991EP0457641A1 Self-cleaning filter and device containing said filter
11/21/1991EP0457611A2 Beer filtrating apparatus
11/21/1991EP0457060A1 Blood filter
11/21/1991EP0456788A1 Sieve for a pressure sorting device for fibre suspensions.
11/21/1991DE4016253A1 Domed sieve element mfr. for heat exchanger - esp. useful in cooling water filter unit by deforming flat metal plate into conical cap shape and forming sieve holes
11/20/1991CN2088894U Rotating indexing vacuum filter
11/20/1991CN2088893U Water purficating device
11/19/1991US5066400 Self-spaced pleated filter
11/19/1991US5066396 Trash apparatus and colander
11/19/1991US5066391 Reusable liquid filter assembly
11/19/1991US5066319 Block-Like Construction Encompassing Zig-Zag Folding Of Filter Material
11/19/1991CA1292191C Method for securing a microsieve to a support member and supported microsieve
11/19/1991CA1292190C Method and system for cleansing a filter bed
11/19/1991CA1292170C Element having a porous wall
11/14/1991DE4114611A1 Microporous membrane element for multiple filtration unit - for slot or dot blotting analyses is compacted in seal area to avoid cross-contamination
11/14/1991DE4014804A1 Appts. for filtering and collection rain-water from house roofs - in which tilting distributor directs initial flow of water to drain and then diverts flow automatically to filter and storage tank
11/13/1991EP0456476A1 Filter assemblies
11/13/1991EP0455639A1 Process for splitting off small pieces of filter cake from a pressure filter.
11/13/1991EP0455637A1 Process and device for operating a pressure filter for liquid-solid mixtures.
11/12/1991US5064598 Process and apparatus for manufacturing a pleated filter insert
11/12/1991US5064542 Cylindrical filter to trap fibrin
11/12/1991US5064537 Seamless screen cylinder with laser cut openings
11/12/1991US5064536 Wedgewire filter and method of manufacture
11/12/1991US5064533 Funnel basket structure
11/12/1991US5064528 Multiple housing filter system
11/12/1991CA1291955C Separation of wort from mash
11/10/1991CA2042108A1 Filter assemblies
11/07/1991DE4110669A1 Appts. for suction and sepn. of solid-liq. mixt. - comprises removable sieve basket in chamber, evacuated by suction pipe and closed by removable lid with external suction nozzle
11/07/1991DE4105074A1 Filter esp. compressor feed air filter - having corrugated filter element with integral holder
11/07/1991DE4014038A1 Aquarium water cleaning system - with filter strip transported below pump delivery point
11/07/1991DE4013597C1 Dewatering of sludge - by pressing, thin pressing filtrate out of sludge layer, stacking then sludge layers on top of each other, etc.
11/06/1991EP0455312A2 Screen plates
11/06/1991EP0455117A2 dehydration press for mud
11/06/1991CN2087985U Solid-liquid separating machine
11/05/1991US5062968 Apparatus and process for filtering fluids
11/05/1991US5062965 Filtration apparatus comprising an ultrasonic cleaning device and corresponding cleaning process
11/05/1991US5062952 Injection molding filter
11/05/1991US5062911 Preparation of ceramic honeycomb structure having selectively sealed channels
11/05/1991US5062910 Method of assembling a rigid element in a module, the element having a membrane for separation, filtration or catalytic transformation purposes
11/05/1991US5062864 Gas filter element
11/05/1991US5062308 Filter punch and filter collection system
10/1991
10/30/1991EP0453804A1 Filter for aquarium
10/30/1991EP0453531A1 Apparatus for multi-sized filter element cartridges
10/30/1991EP0191844B1 Single cartride filter
10/30/1991CN2087529U 多功能净化器 Multifunction purifier
10/30/1991CN2087528U Rotary filtering type filter
10/29/1991US5061366 Scraper filter system
10/27/1991CA2040696A1 Filter for aquarium
10/24/1991DE4110117A1 Gas and fluid filter element which can be automatically exchanged - comprises gas or fluid-permeable circular section sepd. from surrounding impermeable material by impermeable margin
10/24/1991DE4005737A1 Liquid filtering appts. cylinders - agitator blades rotate around the cylinders and create cross-flow effect
10/23/1991EP0453348A1 Screen for straining a classification of paper pulp
10/23/1991EP0452592A1 Filter cartridge end cap assembly and method of manufacture
10/23/1991EP0452539A2 Filtering system for extruder and injection machine
10/23/1991EP0452435A1 Method and device for filtering of suspensions.
10/23/1991CN2087091U Filter
10/22/1991USRE33723 Liquid filtering apparatus
10/22/1991US5059331 Solids-liquid separation
10/22/1991US5059326 Resistance spot welding of multilayers of metal wire mesh; shaping plate structure; catalytic exhaust systems
10/22/1991US5059324 Centrifugal pulp screen
10/22/1991US5059323 Self-cleaning vacuum filter with permanent, endless filter media particularly for industrial lubricating and cooling liquids
10/22/1991US5059321 Device for expressing plant matter, particularly for re-pressing sugar-beet chips
10/22/1991US5059320 Locking structure of wire rod for filter element
10/22/1991US5059319 Paint can strainer cover
10/22/1991US5059318 Fluid seal for a traveling sheet filter press
10/22/1991US5059256 Method of manufacturing filters by laser treatment and device therefor
10/17/1991WO1991015282A1 Filter
10/17/1991DE4105605A1 Pre-clarification of waste water contg. faecal material
10/17/1991DE4026230A1 Liq. filter for fuel tank - with simply manufactured mesh support in plastic casing
10/17/1991DE4012128A1 Verfahren zur katalysatorrueckgewinnung Method for katalysatorrueckgewinnung
10/17/1991DE4011714A1 Cross-flow fluid filter - including supplemental chambers in core connected by channels to deliver fluid to indented face
10/17/1991CA2040361A1 Percussion tool fluid filter apparatus
10/16/1991EP0451947A2 Modular filter assembly
10/15/1991WO1991016294A1 Process for catalyst recovery
10/15/1991US5057232 Filter element and method of filtration
10/15/1991US5057217 Integral supported filter medium assembly
10/15/1991US5057215 Reversible-flow filter assembly
10/15/1991US5057214 Filtration and backwash control system for water filters associated with spigot faucets
10/15/1991CA2080478A1 Process for catalyst recovery
10/15/1991CA1290705C Apparatus for separating dirt-particles from cooling water in power-plants
10/15/1991CA1290703C System for removing liquid from a slurry of liquid and powdered material
10/09/1991EP0450484A1 Candle filter element
10/09/1991EP0450170A2 Well regeneration device
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