Matches 151 - 200 out of 561 < 1 2 3 4 5 6 7 8 9 10 11 12 >
Match Document Document Title
6303033 Retrievable filter element for subsurface drainage  
Filter elements for draining wastewater into the soil in leach fields comprise net sacks filled with scrap rubber or plastic chips and supplied with fabric filter cloth. Leach fields are...
6293411 Integral supported separation membranes  
Supported separation membranes are disclosed wherein the permselective membrane is integral with a polymeric support of non-woven fibers having a particular air permeability, the integral membranes...
6294090 Adsorptive substance separation device  
An adsorptive separation device is disclosed having at least one spiral wound adsorption membrane situated around the periphery of a core mandrel wherein the flow is radial from a feed plenum...
6280621 Blood filter cartridge with overflow receiver  
The blood filter cartridge of the invention can be used as a sample cup of an analyzer without sucking bubbles, which comprises a blood filtering material, a holder containing the blood filtering...
6277648 Process and a device for the isolation of cell components such as nucleic acids from natural sources  
Described is a method of isolating cell components, such as nucleic acids, from natural sources by filtering a sample of the digested natural sources such as cells or cell fragments. The method is...
6269953 Vibratory separator screen assemblies  
A screen assembly for a vibratory separator has been invented, which, in certain aspects, has at least two ridge-valley series of screening material with a plurality of alternating ridges and...
6267251 Filter assembly for a print cartridge container for removing contaminants from a fluid  
A filter is provided for filtering contaminants from a fluid passing through the filter. The filter comprises a silicon substrate having opposing first and second surfaces and a passage extending...
6267898 Leukapheretic filter medium  
A leukocyte-removing filter medium which comprises a matrix and ultra-fine fibers having a fiber diameter of less than 1.0 μm and not less than 0.01 μm which contains ultra-fine fibers in an...
6261444 Storm sewer filtering apparatus  
A storm sewer filtering apparatus is provided having a filter bag forming a rectangularly shaped substrate retaining volume. A flat bottom surface remains at the bottom of the filter bag and forms...
6241886 Plasma separation filter  
The present invention provides a plasma separation filter capable of easily, speedily and safely separating plasma from a small quantity of blood without damaging blood cell components in the...
6237780 Vibratory separator screens  
A screen for a vibratory separator for screening fluid with material entrained therein introduced on the screen, the screen having, in certain aspects, a plurality of warp wires and a plurality of...
6217763 Back-flushable filter cartridge assemblies  
Filter cartridge assemblies are provided with a generally cylindrical filter medium which defines a cylindrically shaped core space, and a pair of end caps. A threaded base member having detent...
6190546 Oil suction filter  
An oil suction filter having an enclosed housing with a base surface and an oil intake opening, a top surface with an oil discharge opening, and a filter usually in the form of a filter cloth in...
6182834 Filter coated with chitosan for removal of leucocytes  
Filter for removal of leucocytes is provided, wherein the filter is coated with a natural polymer of chitosan which has a good blood compatibility and no side effect in human body on an ultrafine...
6177019 Method and apparatus for removing tumor cells from tumor cell-contaminated stem cell products  
A method for removing tumor cells from tumor cell-contaminated stem cell products is disclosed. One embodiment of the method relies on an in-line filtration device that includes a tumor cell...
6168718 Method for purifying blood plasma and apparatus suitable therefor  
A method for purifying conventionally treated blood plasma to remove substantially all residual leukocytes while maintaining useful flow rates for medically useful amounts of plasma utilizes a...
6159258 Air filter elements with foam pre-cleaners  
Air filter elements with primary filter medias have foam pre-cleaners with an increased surface area provided by an upstream face which has peaks and valleys. In one embodiment, the peaks and...
6156198 Filter element for a fluid filter  
The invention relates to a filter element for a fluid filter incorporating a web of pleated filtering material that is formed into a circumferentially closed cylindrical filter body, which is...
6149803 Storm sewer catch basin filter  
A storm sewer catch basin filter includes a frame having a plurality of radially extending arms, each arm having an end. The catch basin filter further includes an edge piece fixed to the end of...
6139757 Method of separating cells from blood using a filter having a changeable porosity  
A method of separating cells from blood by using a filter apparatus having first and second ports and a filter member therebetween having a changeable porosity. The filter member includes a stack...
6136192 Filter bag and sealing ring therefor  
A sealing ring for use in connection with a filter bag assembly of a filter is disclosed. The sealing ring includes an annular body having an outer annular wall projecting from the body. The outer...
6117341 Filter, apparatus including the filter and a method of use of the apparatus  
6117322 Dynamic filter system  
A dynamic filter system includes a dynamic filter assembly including one or more filter elements and one or more members disposed within a housing. The filter elements and the members are...
6105788 Composite screen  
A papermakers' screen basket for pressure screening of papermaking stock or for pressure filtering is formed with a support core formed with honeycomb like cells that extend radially in the...
6103119 Filter cartridges having track etched membranes and methods of making same  
A filter cartridge that includes a track etched membrane sealed therein in a leak-free manner, and a method for making the cartridge. The filter cartridge has a bubble point that is at least 50% of...
6102212 Filter element  
A filter element for a pressure filter where a substantially horizontal wall (3) divides the interior of a pressure vessel into a lower inlet compartment (5) and an upper outlet compartment (6). A...
6099726 Static dissipating filter cartridge with conductive resilient seal  
A filter apparatus (10) which dissipates static charge from fluid flowing through the apparatus has a filter housing (12) enclosing a filter element (14). The filter element includes a tubular...
6096207 Filter cartridge assembly having a reusable support core structure  
A filter cartridge assembly includes a filter cartridge having a generally cylindrical filter medium which defines a cylindrically shaped core space, and a pair of end caps fixed to opposite ends...
6071419 Fluid filter, method of making and using thereof  
A fluid filter includes a first batting of high loft, non-woven, fibrous fluid-permeable material with a plurality of openings formed through the thickness thereof across the length and width of...
6059964 Collapsible catch basin grate filter assembly  
A novel filter assembly for a drainage system stormwater catch basin is provided with spaced-apart open frame elements that are joined to and carry a singular mesh fabric filter element, and with...
6053331 Non-tensioned shaker filter  
A new type of non-tensioned shaker filter for a shaker machine. The shaker filter is comprised of layers of wire cloth that are bonded together without a rigid backing and are corrugated. Left and...
6041944 Spiral multiple-tube filter  
A multiple tube filter made of at least one perforated filter element (15), wherein the outside of the filter element (15) has spirally circulating grooves (2), and the surface between grooves (2)...
6039885 Process and device intended for ultrafiltration of particles in fluids  
Process and device intended for ultrafiltration of particles contained in fluids. The fluids are passed through at least one filtering barrier made from a source rock with micropores below a few...
6039780 Filter arrangement  
6036853 Articulated filter core element  
A common filter assembly is formed from a filter membrane which is supported by a filter core element. The core element according to the invention is substantially planer in the as-molded condition...
6019891 Debris vacuum device for spas/hot tubs  
Debris vacuum device including a suction bulb. In a first embodiment the suction bulb includes a hollow tube with an inlet check valve located at one end and an exhaust check valve located at the...
6013181 Water filtration system  
The water filtration system has nine filter elements serially arranged in a hollow cylinder housing with a water inlet end and water outlet end having pipe fittings, such as, 3/4 inches for...
6000558 Filter cartridge construction and process for filtering particle-containing paint composition  
A filter element for filtering a particle-containing paint composition or a particle loading slurry composition which is a precursor to a particle-containing paint composition is provided. The...
6000094 Replaceable filter for use in cleaning buckets  
A removable and replaceable filter and filter holder is mounted within a mop cleaning bucket to receive dirt settling under gravity from the contained liquid with the dirt collecting in, and...
5996811 Plasma collecting device  
This invention relates to a plasma-collecting device which comprises a blood filtering material comprising glass fiber filter and microporous membrane, a holder having a blood inlet and a plasma...
5988400 Pourous fluorocarbon membrane, method for producing thereof and cartridge filter based on said membrane  
A porous fluorocarbon membrane has a porous support completely impregnated with tetrafluoroethylene/vinylidene fluoride copolymer. There is a process for producing this membrane by impregnating a...
5984109 Filter assembly including a disposable coreless filter element  
A filter assembly has a filter support means which axially receives a coreless filter element which is constructed of recyclable materials.
5979669 Blood filter unit  
A blood filter unit having a blood filter holder containing a blood filtering material of a glass fiber filter and a microporous membrane is described. The holder has a blood inlet and a filtrate...
5980759 Dual media filter cartridge construction  
A filter cartridge is provided which includes (a) a wound depth filter or a cylindrical seamless depth filter and (b) a pleated filter having a lower micron retention rating than the depth filter....
5968373 Filter arrangement having at least two successive layers having predetermined spacing and its method for making  
A filter apparatus and method wherein successive layers of filter medium are spaced apart from each other a preselected distance to create a substantially direct, in-line through-flow void space...
5968356 System for hepatocyte cell isolation and collection  
The invention resides in apparatus and methods for isolating and collecting cells from donor tissue for later use in medical procedures. The apparatus includes a sealed enclosure, at least one...
5961678 Filter drainage layer attachment  
A filter system utilizing a coalescing-type filter element with at least one end cap and a transport layer such that contaminants are filtered from a gas stream, coalesced and drained from the...
5958226 Storm drain filter with removable debris tray  
A storm drain filter is sized to cover the opening of a storm drain. It includes a top debris tray removably positioned within a bottom media tray. Each tray includes a peripheral trough...
5958236 Undulating screen for vibratory screening machine and method of fabrication thereof  
A screening screen assembly for a vibratory screening machine including an apertured plate, and a subassembly of an undulating support screen and fine screening screen and finer screening screen...
5954952 Stormwater catch basin filter assembly  
A novel filter assembly for a drainage system stormwater curb and gutter-type catch basin is provided with spaced-apart frame elements that are joined to and carry a singular mesh fabric filter...
Matches 151 - 200 out of 561 < 1 2 3 4 5 6 7 8 9 10 11 12 >