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)
11/1993
11/25/1993DE4217159A1 Coiled filter body - has a layer with better drainage structured with denser zones across the wood direction
11/25/1993DE4216569A1 Filter support and jig with bayonet lock - facilitates one-man removal and replacement of heavy inserts
11/24/1993CN2147033Y Filting sheets
11/24/1993CN2147032Y Filting trough
11/23/1993US5264184 Device and a method for separating liquid samples
11/23/1993US5264129 Filter device
11/23/1993US5264120 Wastewater treatment mechanism
11/23/1993US5264119 Filter container for positioning, installation and maintenance within limited space
11/18/1993DE4215585A1 Simultaneous checking of membrane insert integrity - comprises using partially soluble gas introduced below bubble point pressure and detecting subsequent bubble formation within insert without removal from installation
11/18/1993DE4215260A1 Fan-folded air filter - strengthened by strip foam edges which absorb glue
11/17/1993CN2146293Y Multi-functional element of filter
11/17/1993CN2146292Y Simple slurry press filter
11/17/1993CN2146291Y Pressing device for filter cloth
11/17/1993CN1078486A Method of conducting catalytic converter multi-phase reaction
11/11/1993WO1993022494A1 Apparatus for treating fiber suspension
11/11/1993WO1993022073A1 Removal of foreign particles from alum-adsorbed products
11/11/1993WO1993022025A1 Extraction of water from oil
11/11/1993WO1993022024A1 Oil filter
11/11/1993DE4214963A1 Sieve device for arc type - has two gap sieve plates connected by slopes with lowermost gap sieve having smaller gap distance than the other
11/09/1993US5260028 Method and apparatus for effecting solid phase extraction
11/09/1993US5259955 Vacuum strainer
11/09/1993US5259512 Screen for pressure sorters for fiber suspensions
11/03/1993EP0567734A1 Apparatus and method for wetting and dissolving dry particles
11/03/1993EP0567726A1 Screening device
11/03/1993EP0478596B1 Process for the preparation of samples for chemical analysis of liquids by infrared spectroscopy of dry extract and devices for this purpose
11/03/1993EP0477196B1 Filter and process for manufacturing filters using material cured by ultraviolet radiation for end caps
11/03/1993EP0456788B1 Sieve for a pressure sorting device for fibre suspensions
11/02/1993US5258128 Filtration, splitting filter cakes off filter and surrounding with reversible membranes
11/02/1993US5258118 For internal combustion engines
11/02/1993CA1323845C Membrane filtration apparatus and method of making a membrane filtration unit
11/02/1993CA1323844C Spacer for guiding flowing medium
10/1993
10/31/1993CA2094051A1 Filter for filtering an aggressive fluid
10/30/1993CA2094546A1 Sieving apparatus
10/30/1993CA2093584A1 Filter for a rockdrill
10/28/1993WO1993020921A1 Device for cleaning of caustic liquor mixtures
10/28/1993WO1993020920A1 Filtration apparatus with metal filter cartridges
10/27/1993EP0566908A2 Liquid filter
10/26/1993US5256360 Method of manufacturing a precision micro-filter
10/26/1993US5256312 Pneumatic sealed filter
10/26/1993US5256292 Screen for filtering undesirable particles from a liquid
10/26/1993US5256291 Screen for filtering undesirable particles from a liquid
10/26/1993US5255794 Fuel filter
10/26/1993US5255788 Pressure sorter
10/26/1993CA1323601C Apparatus for separating a suspension of fibrous cellulose pulp
10/21/1993DE4214218C1 Replaceable oil filter - comprises filter housing as an insert with base projections for snap fit and release within the container
10/21/1993DE4212436A1 Sludge filter with output pressure sensors on both sides of piston linked to sludge input pump - maintains consistency of cake and filtrate despite large input variations
10/20/1993EP0566222A1 Process for additional cleaning of the filtering elements in a precoat filter
10/20/1993EP0565898A1 Device for separating solid matter from a liquid with a cylindrical liquid permeable separating surface and for removing solid matter
10/20/1993EP0565857A1 Pressure liquid filter
10/20/1993CN2144014Y Oil filter with nitrocellulose paper filtering elements
10/20/1993CN1077394A Incrustation removing (acid washing) water purifier for heating boiler
10/19/1993US5254250 Rotary filtration device and filter pack therefor
10/19/1993US5253578 Apparatus for wetting and dissolving dry particles
10/19/1993CA1323313C Backwash system for filter thickeners
10/14/1993WO1993019830A1 Filter apparatus and method
10/14/1993WO1993019829A1 Process and device for recycling polluted process water
10/14/1993DE4211656A1 Verfahren und Vorrichtung zum Recycling verschmutzter Prozesswasser Method and apparatus for recycling contaminated process water
10/13/1993EP0564967A1 Process and apparatus for the production of a filter having the form of a honeycomb
10/13/1993EP0564870A1 Device for removing solids from a liquid with a cylinder-shaped and permeable surface
10/13/1993EP0509004B1 Screen plate for screening pulp
10/12/1993US5252350 Process for clarifying liquids, particularly raw juice
10/12/1993US5252224 Supercritical water oxidation process of organics with inorganics
10/12/1993US5252210 Paint intake filter guard
10/12/1993US5252207 Wrap member having openings
10/12/1993US5252206 Filtration cartridge
10/12/1993US5252204 Unimold filter
10/12/1993CA2007287C Filter system for a fluid bed granulator/dryer
10/12/1993CA1322973C Thermally formed stacked disc filter
10/11/1993CA2071313A1 Connector for sealing stacked filter elements
10/09/1993CA2086697A1 High temperature filter bag support rings
10/07/1993DE4311221A1 Suspension or sludge liq. sepn. - has dosed feed from holding vessel to sepn. stage with sepn. speed related to dosage delivery
10/07/1993DE4210766A1 Back-flushable liq. filter - has plate stack forming filtration and cleaning liq. channels
10/07/1993DE4210496A1 Filter with moving filter band - has drum with needles which keeps band under tension and supports it while it is cut into strips by moving knife for easy disposal
10/07/1993CA2093536A1 Process for the treatment of pre-concentrated solid-liquid mixture streams and installation to carry it out
10/06/1993EP0563754A1 Purification device
10/06/1993EP0563581A1 Filtration apparatus having stress relief groove
10/06/1993EP0563343A1 Filter with direct flush cleaning.
10/06/1993EP0553209A4 Sintered metal sand screen
10/06/1993CN2143133Y Super-clean water filter
10/06/1993CN2143132Y Drink water filter
10/05/1993US5250198 Dewatering sludge; screening; turbulence
10/05/1993US5250179 Compactable filter and compactable filter mounting means
10/05/1993US5249626 Bottom hole well strainer
10/05/1993US5249511 Bulk cooking oil distribution and waste removal system
09/1993
09/30/1993WO1993019356A1 Method and apparatus for rapidly testing the integrity of filter elements
09/30/1993WO1993007944A3 Filtering element and machine for its manufacture
09/30/1993DE4209852A1 Liquid treatment using stacked channels and capillary materials - which force fluid effluent through final cleaning stage before discharge from chemical factories or municipal facilities
09/30/1993DE4209519A1 Verfahren und Gerät zum schnellen Testen der Unversehrtheit von Filterelementen Method and apparatus for rapidly testing the integrity of filter elements
09/29/1993EP0562502A1 Built-in filter cartridge
09/29/1993EP0562501A2 Support for tubular particle filter
09/29/1993EP0562321A1 Oil separator with integrated micro-filtration device
09/29/1993EP0562182A1 Filter underdrain block
09/29/1993EP0561857A1 Centrifugal cleaning filter.
09/28/1993US5247876 Deep fryer and filtration system
09/23/1993DE4208743A1 Automatic back-flushing filter esp. for high pressure applications - in which filter elements are back-flushed by rotating nozzles with flow to nozzles via openings in asynchronously rotating control pipe
09/22/1993EP0561001A1 Laminated filter medium, method of making said medium, and filter using said medium
09/22/1993EP0560955A1 Filter matting for a reversible-flow filter
09/22/1993CN2142361Y Filter for industry use
09/21/1993US5246581 Seamless filter bags with integral sealing means
09/21/1993US5246580 Apparatus for separating solid particles from a liquid
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