| 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) |
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| 05/06/1999 | DE19748233A1 Water filter for coarse particulate matter arising from industrial process introduces tangential flow of water into filter |
| 05/05/1999 | CN2316994Y Gas filter on-line back flushing device |
| 05/05/1999 | CN1215622A Waste cotton retention unit for cotton adsorption tube of cleaner |
| 05/04/1999 | US5900140 Fuel filter module with C-shaped cross-section filter |
| 05/04/1999 | US5899271 Particle control screen assembly for a perforated pipe used in a well, a sand filter system, and methods of making the same |
| 05/04/1999 | CA2017138C Filter cartridge |
| 04/29/1999 | WO1999020572A1 Water reclamation system for a vehicle wash system |
| 04/29/1999 | WO1999020454A1 Screen changer with controlled gap |
| 04/29/1999 | WO1999020256A2 Medicament excipient particles for tissue-specific application of a medicament |
| 04/29/1999 | DE19838401A1 Filter unit |
| 04/29/1999 | DE19746752A1 Annular filter insert for IC engine oil or fuel filter |
| 04/29/1999 | DE19746751A1 Oil filter for use in IC engine |
| 04/29/1999 | CA2308236A1 Medicament excipient particles for tissue-specific application of a medicament |
| 04/29/1999 | CA2306637A1 Screen changer with controlled gap |
| 04/28/1999 | EP0911140A2 Filter element for plastic melts |
| 04/28/1999 | EP0910453A1 Reusable spin-on multi system oil filter and method of reclaiming used filter canisters |
| 04/28/1999 | EP0910452A1 Waste water grease filter |
| 04/28/1999 | EP0910451A1 Multiple element filter |
| 04/28/1999 | EP0844915A4 Water recovery from a septic tank |
| 04/28/1999 | EP0840644B1 Conductive filter element |
| 04/28/1999 | EP0775089B1 Fluid treatment apparatus |
| 04/28/1999 | CN2316018Y Solid-liquid separator |
| 04/28/1999 | CN1214950A 滤器插头 Filter plug |
| 04/27/1999 | US5897787 Strainer and method for separating solid particles from a liquid |
| 04/27/1999 | US5896846 Fuel module |
| 04/27/1999 | CA2140134C Screening apparatus for papermaking pulp |
| 04/22/1999 | WO1999019043A2 Filter elements and methods for making filter elements |
| 04/22/1999 | WO1999019041A1 Filter module |
| 04/22/1999 | DE19844366A1 Filter support plate |
| 04/22/1999 | DE19745950A1 Drug carrier particle for site specific drug delivery, especially to CNS |
| 04/21/1999 | CN1214639A Filter and filter basket securing device |
| 04/20/1999 | US5895579 Controlling velocity of fluid flow; weir adjusts cross-section of intake channel having bar rack or filter screen |
| 04/20/1999 | US5895572 Porous monolithic support for filtration membranes |
| 04/15/1999 | DE19744574A1 Stacked filter cell module |
| 04/14/1999 | EP0908599A2 Bypass diverter box for drilling mud separation unit |
| 04/14/1999 | EP0908569A1 Screening device for sewage in an inlet pipe |
| 04/14/1999 | EP0908214A2 Trash rack with non-metallic reinforcing rods |
| 04/14/1999 | EP0908213A1 Static filtration plant for liquids |
| 04/14/1999 | EP0907397A1 Filtration unit with a cartridge-like filter element |
| 04/14/1999 | EP0907396A1 Filter |
| 04/14/1999 | CN2313657Y Improvement of structure of discharging seat of water filter |
| 04/14/1999 | CN1042967C Device for throttling hydraulic pressure medium |
| 04/13/1999 | US5893973 High efficiency backflush system for a filter |
| 04/13/1999 | US5893956 Coreless, fabric strips, spirally winding and bonding, self-supporting |
| 04/13/1999 | CA2009478C Filter cartridge |
| 04/08/1999 | WO1999016963A1 Mechanically cleanable screen |
| 04/08/1999 | WO1999016530A1 Microstructured filter |
| 04/08/1999 | WO1999016527A1 Fluid filtration, recirculation and delivery apparatus and method |
| 04/08/1999 | CA2343956A1 Mechanically cleanable screen |
| 04/07/1999 | EP0726981B1 Arrangement in a pressure screen for separating impurities from a fibre suspension fed into the screen |
| 04/07/1999 | CN2312941Y Curved sieve with revolving scraping-plate |
| 04/07/1999 | CN2312749Y Twice-filtering double-layer curved sieve |
| 04/07/1999 | CN2312748Y Density-regulated fiber-filtering tube |
| 04/07/1999 | CN1213418A Paper pulp screen cylinder |
| 04/06/1999 | US5891433 Useful in batch or continuous diffusers for extracting soluble solids from subdivided solids containing small particles and fines |
| 04/06/1999 | US5891337 Filter with molded end cap and media spacer |
| 04/06/1999 | US5891333 Modular multi-stage water filter apparatus |
| 04/01/1999 | DE19740179A1 Cleaning inspection closure for bag filters of goods handling system |
| 03/31/1999 | EP0904822A2 Filter element |
| 03/31/1999 | EP0904820A1 Device against clogging of a filter |
| 03/31/1999 | EP0904819A1 Pleats filter |
| 03/31/1999 | EP0684867B1 Blood filter and method of its manufacturing |
| 03/31/1999 | EP0684866B1 Method of estimating the average fiber diameter of different filtration media |
| 03/30/1999 | US5888407 Method of separating fluids using a continuous re-entrant lumen having wall conditioning shuttles and porous wall sections |
| 03/30/1999 | US5888384 Liquid filter |
| 03/30/1999 | US5888383 Fluid filter arrangement with bypass and shield for small pore size screen |
| 03/30/1999 | US5888262 Filter insert and process for producing it |
| 03/30/1999 | US5887797 Bag house cleaning systems |
| 03/25/1999 | WO1999013958A1 Fluid treatment arrangement |
| 03/25/1999 | DE19744361A1 Plastic fuel filter |
| 03/25/1999 | DE19741905A1 Gap filter element |
| 03/24/1999 | EP0903170A1 Separation device |
| 03/24/1999 | EP0902723A1 Immersible rotary disc filtration device |
| 03/24/1999 | EP0902718A1 Filter system with environmentally friendly filter cartridge |
| 03/24/1999 | EP0902717A1 Safety relief valve useful in an oil filter |
| 03/24/1999 | EP0873171A4 Environmentally friendly filter cartridge |
| 03/24/1999 | EP0869839A4 Oil filter housing |
| 03/24/1999 | CN2311301Y Inlay connection type liquid channel filtering basket |
| 03/24/1999 | CN1211461A Cylindrical filter cartridge with circular-point outward triangular netting fixed by vertical bars inside |
| 03/23/1999 | US5885499 Method for the manufacture of filter wells |
| 03/23/1999 | US5885457 Filtration media for filtering leukocytes from freshly drawn blood |
| 03/23/1999 | US5885455 Filtration unit with pleated filter element |
| 03/23/1999 | US5885453 Device for the physicochemical separation of constituents of a fluid |
| 03/23/1999 | US5885452 Effluent filtering apparatus |
| 03/23/1999 | US5885392 Method of bonding end caps to pleated filter elements |
| 03/23/1999 | US5884774 Papermaking screen |
| 03/23/1999 | CA2098443C Self-cleaning stationary basket strainer |
| 03/23/1999 | CA2078746C A filtration system |
| 03/23/1999 | CA2055064C Screening apparatus for paper making stock |
| 03/18/1999 | WO1999012632A1 Filter cartridge holder and filter assembly equipped with same |
| 03/18/1999 | WO1999012631A1 Filter cartridges and filter cells |
| 03/18/1999 | WO1999012630A1 Well casing assembly with erosion protection for inner screen |
| 03/18/1999 | WO1999012629A1 End-cap for pleated filter cartridge |
| 03/18/1999 | CA2301617A1 Well casing assembly with erosion protection for inner screen |
| 03/17/1999 | EP0901806A1 Apparatus and method for filtering water |
| 03/17/1999 | EP0901403A1 High volume self-cleaning filter |
| 03/17/1999 | CN2310760Y Kitchen waste water purifying box |
| 03/17/1999 | CN1210745A Filter belt edge structure |
| 03/16/1999 | US5882530 Crossflow filter cyclone apparatus |
| 03/16/1999 | US5882528 Method for extending useful life of filter aid in a filter with hydraulically deformable system |