| 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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| 01/28/1988 | DE3624338A1 Backwashable filter |
| 01/27/1988 | EP0253899A1 Periodic action device for filtration of liquid medium |
| 01/27/1988 | EP0253814A1 Filtering device for plastic. |
| 01/27/1988 | CN87104663A Pulse jet fabric filter |
| 01/27/1988 | CN87102894A Method and apparatus for filtering slurry |
| 01/26/1988 | US4721567 Ceramic pouring filter with tortuous flow paths |
| 01/26/1988 | US4721563 Fluid filtering device |
| 01/26/1988 | US4721040 Seamless pressure responsive diaphragm installation |
| 01/25/1988 | EP0236479A4 Composite having improved transverse structural integrity and flexibility for use in high temperature environments and method of making the same. |
| 01/21/1988 | DE3624523A1 Apparatus for filtering the spray liquid in cleaning machines |
| 01/21/1988 | DE3623261A1 Process for producing microscreens from polyvinylidene fluoride |
| 01/21/1988 | DE3622848A1 Apparatus for membrane filtration |
| 01/20/1988 | EP0253620A2 Filter apparatus |
| 01/20/1988 | EP0253367A2 Drum-filter arrangement |
| 01/20/1988 | EP0253246A2 Filter for bringing to boil, in portions, coffee or tea |
| 01/20/1988 | EP0252996A1 Device for filtration of liquid |
| 01/19/1988 | US4720347 Method and apparatus for the filtration of a suspension by a granular filtrating layer |
| 01/19/1988 | CA1231581A1 Apparatus for the separation of mixtures of materials of different consistencies such as meat and bone |
| 01/14/1988 | WO1988000082A1 Rotary disc filter |
| 01/13/1988 | EP0252161A1 Device for purification, particularly filtration, of a fluid or gaseous medium |
| 01/12/1988 | US4719058 Filling porous support with suspension of ceramic particles, firing |
| 01/12/1988 | US4718884 Method and apparatus for forming a filter element |
| 01/12/1988 | US4718883 Process for manufacturing articles of filter paper |
| 01/07/1988 | EP0252025A2 An improved extractor of oil from oily seed or fruit pastes and the like |
| 01/07/1988 | EP0251840A1 Process and individual apparatus for the filtration of a liquid |
| 01/07/1988 | EP0251634A2 Molten metal filter medium and method for making same |
| 01/07/1988 | EP0251495A1 Filter units having welded cellulose filters |
| 01/07/1988 | EP0251368A2 Fluid filtration device |
| 01/07/1988 | EP0250695A1 Filter |
| 01/07/1988 | EP0250602A1 Device for filtration of a fluid or gaseous medium |
| 01/07/1988 | EP0250432A1 Machine and method for assembling pleated filter material and a hollow core member. |
| 01/07/1988 | DE3721020A1 Filter for agricultural spray |
| 01/07/1988 | DE3622629A1 Filter pack |
| 01/07/1988 | DE3621724A1 Fully automatic back-washable filter for liquid media |
| 01/05/1988 | US4717486 Method of filtering suspension |
| 01/05/1988 | US4717477 Mounted at free end of suction pipe |
| 01/05/1988 | US4717472 Oil filter assembly having multiple removable filter members and cooling fins |
| 01/05/1988 | US4717471 Apparatus for screening paper fiber stock |
| 12/31/1987 | CN87203770U Combined filtering guider |
| 12/30/1987 | WO1987007850A1 Apparatus for cleaning filters for liquids |
| 12/30/1987 | CN87104333A Revolving separator |
| 12/30/1987 | CN86103979A Method of liquid level equilibrium filtration |
| 12/29/1987 | US4715964 Method for filtering contaminated liquids |
| 12/29/1987 | US4715954 Triangular filter cartridge and apparatus |
| 12/29/1987 | US4715801 Apparatus for high speed manifolding of honeycomb structures |
| 12/29/1987 | US4715576 Apparatus for forming a flexible mask |
| 12/23/1987 | EP0249893A2 Device for the separation of a liquid and/or a gas from a mixture |
| 12/23/1987 | EP0249856A2 Revolving separator |
| 12/23/1987 | DE3620566A1 Washing or drying appliance of the type for domestic use |
| 12/23/1987 | CN86208294U Filter funnel with cone core |
| 12/22/1987 | US4714558 Water pollution control |
| 12/22/1987 | US4714557 Expandable conduit wound around filter |
| 12/22/1987 | US4714552 In-line fluid filtering devices and disc-filters useful in such devices |
| 12/22/1987 | US4714551 5/2-Way commutating valve, particularly for reverse-flush filters |
| 12/17/1987 | DE3620110A1 Insert for an apparatus for purifying a liquid |
| 12/16/1987 | EP0249395A2 Filter assembly |
| 12/16/1987 | EP0249327A2 Filter Assembly |
| 12/16/1987 | EP0248938A1 Blood filter |
| 12/16/1987 | CN87103201A Apparatus for separating cell suspension |
| 12/15/1987 | US4713174 Removing particles from liquid or gas |
| 12/15/1987 | CA1230293A1 Drum filter |
| 12/08/1987 | US4711718 Removable cartridge containing halogen or nitrogen oxide substituted catechol siderophore for chelating lead copper ions |
| 12/03/1987 | DE3618320A1 Drainage and support fabric for pressure filters of large through-flow capacity |
| 12/02/1987 | EP0247468A2 Filtering device for the homogeneous filtration of molten plastics |
| 12/01/1987 | US4710297 Fluid filter with pleated filter medium |
| 12/01/1987 | US4710295 Septic tank filters |
| 11/24/1987 | US4708801 Reverse flow to unplug |
| 11/24/1987 | US4708798 Allows filter cake to be discharged |
| 11/24/1987 | US4708797 Rotary disc filter element |
| 11/24/1987 | US4708795 Screening device |
| 11/19/1987 | EP0246036A1 Filtration system |
| 11/19/1987 | EP0245585A2 A filtration apparatus |
| 11/19/1987 | EP0245490A1 Filter press for separating liquids from sludge to obtain a high solid content. |
| 11/19/1987 | DE3626695C1 Belt filter unit |
| 11/17/1987 | US4707262 Hose construction, coupling arrangement therefor and method of making the same |
| 11/17/1987 | US4707259 Counter-current flow cleaning type |
| 11/17/1987 | US4707258 Fine filtration; backwash cleanable |
| 11/17/1987 | US4707256 Long service life |
| 11/17/1987 | US4707165 Removing entrapped air from engine and transmission oil |
| 11/17/1987 | CA1229312A1 Convertible liquid filter |
| 11/11/1987 | EP0244765A2 Method for separating solid substances from faecal sludge, and device for carrying out this method |
| 11/10/1987 | US4705624 Apparatus and process for separating solid particles from a liquid suspension and/or for the purification or leaching of solid particles |
| 11/10/1987 | US4705055 Apparatus for automatically cleaning extrusion screens in juice finishing machines and the like |
| 11/04/1987 | EP0244151A2 Filter apparatus |
| 11/04/1987 | EP0243384A1 Device for filtering molten metals. |
| 11/04/1987 | EP0243346A1 Filter. |
| 11/03/1987 | USRE32537 Self-cleanable filter |
| 11/03/1987 | US4704210 Process and apparatus for filtering fluids |
| 11/03/1987 | US4704207 Filter cartridge including external cell separators |
| 11/03/1987 | US4704202 Water filtering system |
| 11/03/1987 | CA1228820A1 Heel recovery filtration process and apparatus |
| 10/28/1987 | EP0243243A2 Process and apparatus for separating constituent parts from a suspension |
| 10/28/1987 | EP0243091A2 Method of and apparatus for filtering a slurry |
| 10/28/1987 | EP0243028A2 A liquid filtering apparatus |
| 10/27/1987 | US4702847 Jets to dislodge, sewage treatment |
| 10/27/1987 | US4702834 Plastic filter units having a weld cellulose filter |
| 10/27/1987 | US4702833 For purifying polluted metal plating solutions |
| 10/27/1987 | US4702831 Filter for squeezing out suspensions |
| 10/27/1987 | US4702827 For hot oil of cooking apparatus |
| 10/22/1987 | WO1987006306A1 Filter pump head assembly |