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