| 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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| 11/01/1983 | US4412920 Filter with top spray |
| 10/25/1983 | US4411856 Covering surface with flexible mask having protusions and openings and plugging |
| 10/25/1983 | US4411791 Separation equipment |
| 10/25/1983 | US4411788 Filter for gasoline tank |
| 10/25/1983 | US4411783 Arterial blood filter with improved gas venting |
| 10/25/1983 | US4411779 Fluid treatment system |
| 10/19/1983 | EP0091822A2 Filter method and apparatus |
| 10/18/1983 | US4410433 Vertical filter system |
| 10/18/1983 | US4410430 Stacked-disc structure for fluid filter or valve silencer |
| 10/18/1983 | US4410427 Fluid filtering device |
| 10/18/1983 | US4410424 Screening apparatus for paper making stock |
| 10/13/1983 | WO1983003364A1 Low volume, large area filters for iv or blood filtration |
| 10/12/1983 | EP0091064A2 Filter apparatus |
| 10/05/1983 | EP0090383A2 Filter element assembly replaceable mesh pack |
| 09/28/1983 | EP0089837A2 Coke pad |
| 09/28/1983 | EP0089751A1 Filter for solid particulates |
| 09/27/1983 | US4406787 Cartridge-type filtering assembly for motor oil and the like |
| 09/27/1983 | US4406786 Pressure filtering device |
| 09/27/1983 | US4406326 Plastic well screen and method of forming same |
| 09/27/1983 | CA1154403A1 Pulse free stock screen and combination pump |
| 09/21/1983 | EP0089219A2 Sludge filtration apparatus |
| 09/21/1983 | EP0089164A2 Screening apparatus for paper making stock |
| 09/21/1983 | EP0088882A2 Filter belt press, especially for dewatering coal fines |
| 09/20/1983 | US4405466 Useing pressurized gas |
| 09/20/1983 | CA1153962A1 Apparatus for treatment of suspensions in movement |
| 09/14/1983 | EP0088737A2 Filter |
| 09/14/1983 | EP0088148A2 Filter |
| 09/13/1983 | US4404106 Filter apparatus and a method of cleaning filter elements thereof |
| 09/13/1983 | US4404102 Filtration apparatus for flat filter plates cut to size |
| 09/13/1983 | US4404101 Extraction device for removing liquid from a liquid-solid mixture |
| 09/13/1983 | CA1153711A1 Method for producing ceramic honeycomb filters |
| 09/13/1983 | CA1153710A1 Ceramic honeycomb filter |
| 09/13/1983 | CA1153709A1 Ceramic honeycomb filter |
| 09/07/1983 | EP0088058A2 A method and installation for filtration of liquid |
| 09/06/1983 | US4402830 Corrugated filter element with external spiral tape support |
| 09/06/1983 | US4402829 Moveable plates |
| 09/06/1983 | US4402828 Pressure filter vessel |
| 09/06/1983 | CA1153319A1 Support for backflushable filter media |
| 08/24/1983 | EP0086722A1 Stationary sieve filter, especially for industrial water |
| 08/24/1983 | EP0086642A2 Filtration method and apparatus |
| 08/24/1983 | EP0086539A1 Device for culturing micro-organisms |
| 08/23/1983 | US4399622 Fluid intake openings for a suction dredger |
| 08/18/1983 | WO1983002767A1 Separating tank |
| 08/18/1983 | WO1983002732A1 Self cleaning filter |
| 08/17/1983 | EP0085878A1 Method for regulating a continuously working pressure filter |
| 08/16/1983 | US4399042 Scraper blades, vacuum, waste water filtration |
| 08/16/1983 | US4399033 Fluid filtering device |
| 08/10/1983 | EP0085629A1 Process for the flocculation of suspended particles in a liquid and application to the recovery of vegetable microalgae and zoological plankton, and to the purification of waste water |
| 08/09/1983 | US4397745 Filter cartridge for sump cleaner |
| 08/09/1983 | US4397177 Hydraulic filter press |
| 08/03/1983 | EP0020598B1 Disposable filter bag and a method of making extraction beverages |
| 08/02/1983 | US4396509 Device for extraction of liquid from suspensions in movement |
| 08/02/1983 | US4396506 Liquid clarifier and method |
| 08/02/1983 | US4396505 Filtration system pump arrangement |
| 08/02/1983 | US4396502 Screening apparatus for a papermaking machine |
| 07/27/1983 | EP0084520A1 Filter system |
| 07/27/1983 | EP0084182A1 Fuel injection nozzle for an internal-combustion engine |
| 07/26/1983 | US4395333 Pre-wet and reinforced molten metal filter |
| 07/26/1983 | US4395212 Screen-change device for extruders |
| 07/26/1983 | CA1150639A1 Fuel oil filter cartridge |
| 07/20/1983 | EP0083789A2 Corrugated filter element with external spiral tape support |
| 07/19/1983 | US4394272 Liquid clarifier and method |
| 07/19/1983 | US4394266 Pressure filter adapter and containment vessel |
| 07/19/1983 | US4394262 System for minimizing backwash water usage on self-cleaning strainers |
| 07/12/1983 | US4392958 Method and structure for sealing tubular filter elements |
| 07/07/1983 | WO1983002296A1 Process for increasing the water discharge of water delivering drilled wells |
| 07/07/1983 | WO1983002294A1 Procedure for clarifying liquid suspensions, particularly those produced in processes of the wood-processing industry |
| 07/05/1983 | US4391709 Filter cake control method and apparatus |
| 06/29/1983 | EP0082721A1 Arterial blood filter with improved gas venting |
| 06/29/1983 | EP0082520A2 Apparatus for separating suspended materials from pressurized fluids |
| 06/28/1983 | US4390428 Filtration apparatus |
| 06/28/1983 | US4390427 Plate-type filter |
| 06/28/1983 | US4390425 High pressure liquid filter vessel |
| 06/28/1983 | CA1148875A1 Fluid filter and indicator |
| 06/21/1983 | US4389315 Filter device with permeable corrugated grid panel |
| 06/21/1983 | US4389314 Eductor truck |
| 06/14/1983 | US4388197 Lime sludge as filter aid |
| 06/14/1983 | US4388192 Process and a device for purifying water |
| 06/14/1983 | US4388191 Float bag hold down for a filter |
| 06/14/1983 | US4388187 Fuel filter |
| 06/14/1983 | US4387764 Gasket screening assembly for an internal combustion engine having an auxiliary oil cooler |
| 06/14/1983 | US4387691 Diesel fuel filter system |
| 06/14/1983 | CA1148119A1 Strainer means for pulp purification |
| 06/14/1983 | CA1148095A1 Screening device for extraction of liquid from suspensions in movement |
| 06/14/1983 | CA1148094A1 Filter cartridges and methods and components for making them |
| 06/09/1983 | WO1983001907A1 Oil filter seal membrane |
| 06/08/1983 | EP0080541A1 Filter |
| 05/25/1983 | EP0079811A1 Screening devices for paper stock, and their screens |
| 05/25/1983 | EP0079710A2 Pressure containment vessel for filter unit and combination thereof |
| 05/18/1983 | EP0079040A2 Method and apparatus for increasing the cross-flow filtration fluxes of liquids containing suspended solids |
| 05/17/1983 | US4383918 For papermaking |
| 05/11/1983 | WO1983001582A1 Fluid filtering device |
| 05/11/1983 | EP0078727A1 Filter apparatus for a liquid containing diverse impurities |
| 05/10/1983 | US4382860 Device for filtering liquid of high viscosity supplied under pressure, in particular a device that can be connected to an extruder to filter thermoplastic melts of plastic composition |
| 05/10/1983 | CA1146088A1 Conveying means for use in filtering devices |
| 05/10/1983 | CA1145906A1 Spray spinning collection unit |
| 05/04/1983 | EP0078064A1 Apparatus for separating materials of different consistency |
| 05/04/1983 | EP0077819A1 Filter apparatus |
| 05/03/1983 | US4381820 Filament reinforced plastic screen and apparatus for making same |
| 05/03/1983 | CA1145617A1 Pretreatment to dewater bottom ash from a stem generator firing solid fuels |