Matches 51 - 100 out of 565 < 1 2 3 4 5 6 7 8 9 10 11 12 >
Match Document Document Title
7097684 Method of forming combined pleated scrim and filter media materials and product of same  
A high efficiency fluid filter arrangement wherein a combined layer of scrim and filter media applications is of empirically relatively estimated weight size and depth with intermediate pleat...
7094270 Composite filter and method of making the same  
The invention refers to a composite filter for filtering a stream of ambient air including at least one non-prebonded upstream tier and one non-prebonded downstream tier, wherein the ratio of...
7090715 Polymer, polymer microfiber, polymer nanofiber and applications including filter structures  
Disclosed are improved polymer materials. Also disclosed are fine fiber materials that can be made from the improved polymeric materials in the form of microfiber and nanofiber structures. The...
7090712 Air filtration arrangements having fluted media construction and methods  
Filter arrangements include a barrier media in the form of fluted media treated with a deposit of fine fibers. The media is particularly advantageous in high temperature (greater than 140 to 240°...
7077921 Method to make an expandable air filtration apparatus and device  
A method of manufacture includes the steps of laminating together a pleated filter media with an expanded wire forming a laminate; pleating the laminate forming a filter pack with a two pleated...
7070638 Burp gas filtering and deodorizing device  
The burp filtering device has the body of a writing pen, with an intake port at the upper end of the body, a plurality of exhaust ports adjacent the writing tip, and a filter disposed within the...
7052533 Filter element, method for manufacture thereof, and filter using said element  
The invention provides a filter element exhibiting an excellent deodorizing and adsorbing function with low pressure drop, as well as to a method for its manufacture and a filter using the element....
7041146 Pre-filters for engine air cleaning systems  
An air cleaner for a vehicular engine includes a pre-filter which receives air flow containing particulates and a primary filter which receives the air from the pre-filter. The pre-filter removes a...
7029516 Filters and methods of making and using the same  
Filters for removing particulate and gaseous organic and inorganic materials from a fluid stream are disclosed. The filters may contain a polymer matrix and optional sequestering agents. Methods of...
7008465 Cleanable high efficiency filter media structure and applications for use  
An improved cartridge, typically in cylindrical or panel form that can be used in a dry or wet/dry vacuum cleaner. The cartridge is cleanable using a stream of service water, or by rapping on a...
7004995 Triboelectric charging of wovens and knitted fabrics  
A method for the utilization of a woven or loop-formingly knitted fabric which acquires an electrostatic charge as a result of a specific treatment for filtering airborne, dusty allergens such as...
6997974 High strength and ultra-efficient oil coalescer  
A coalescing assembly for coalescing entrained oil from a high temperature, high velocity gas stream comprises a coalescing element of compacted high temperature polyamide fibers, such as those...
6997969 Filter material and method  
A filter is provided including a synthetic filter material formed into a filter structure and having at least one embossment having a depth of at least about 1.5 mm, preferably at least about 4.0...
6994742 Filtration arrangement utilizing pleated construction and method  
Filter arrangements include a barrier media, usually pleated, treated with a deposit of fine fibers. The media is particularly advantageous at high temperature (greater than 140° F.) systems. Such...
6986804 Combination filter for filtering fluids  
The present invention provides a combination filter for filtering fluids comprising a flow channel particulate filtration media having a first face and a second face and a gas adsorbing filtration...
6953544 Method of making a respirator that has a fluorinated electret  
A method of making a respirator, which method includes placing an electret in a respirator body that is adapted to fit over the nose and mouth of a wearer. The electret is disposed in the...
6942711 Hydroentangled filter media with improved static decay and method  
The present invention is directed to a filter media comprised of an electro-conductive scrim so as to improve on the dissipation time of an electrostatic charge. Further, the present invention is...
6932923 Method of making a melt-blown filter medium for use in air filters in internal combustion engines and product  
The present invention involves using a melt-blowing process to make a filter medium defining pores having a pore size of between 3 and 12 microns. The filter medium is made of a thermoplastic...
6923841 Filter element of an air filter with far infrared energy  
A filter element of an air filter includes a main body and a substrate. The far infrared emission powder substances are embedded at certain grain sized and at certain ratio to the substrate,...
6916363 Air filter  
An air filter in which a thick sheet of textile of three-dimensionally knitted synthetic fiber thread is sliced at a middle position in a thickness direction and separated into a front face and a...
6884274 High flow, one piece automotive air filter  
Air filter with a sidewall and inverted cone cap sections; a beveled crown unifying the sidewall with the cap to form a one-piece filter; a seat on the bottom of the wall section with seals for...
6878193 Filter material and method of making same  
Non-shedding light duty fibrous filter material containing activated carbon and/or other sorbtive granules is disclosed having a thickness of ⅛ inch to ⅜ inch and composed entirely of low melt...
6875256 Methods for filtering air for a gas turbine system  
Methods for cleaning air intake for a gas turbine system include utilizing filter arrangements that include a barrier media, usually pleated, treated with a deposit of fine fibers. The media is...
6872311 Nanofiber filter media  
The present invention is directed to an air filter medium comprising nanofibers, the filter medium having a thickness of less than 0.25 millimeters, a Figure of Merit of greater than about 0.075,...
6858057 Filter media  
A filter media comprising a synthetic microfiber polymer fine fiber web wherein the diameter of the fibers is between about 0.8 to about 1.5 microns. The filter media is acceptable for use in...
6846342 Filter pack having nonwoven filter media and nonwoven edge banding frame  
A filter pack is formed of a pleated filter section and a top edge band and a bottom edge band that form a frame. The filter section and the frame are formed of a nonwoven polymer material,...
6843819 Air filter  
There is provided an air filter, which has a long lifetime and permits to capture effectively carbon particles and reduce costs. The air filter has the first filter layer 11 impregnated with oil...
6827764 Molded filter element that contains thermally bonded staple fibers and electrically-charged microfibers  
A filter element that comprises a porous molded web 10 ′ that contains thermally bonded staple fibers 12 and non-thermally bonded electrically charged microfibers 14 . The molded web is...
6818038 Polymer substrates for radiation-induced graft polymerization and filter stock  
A radiation graft treated material in the form of a woven or non-woven fabric material that is composed of polymer monofilament fiber of which only the surface has undergone a radiation-induced...
6811588 High capacity hybrid multi-layer automotive air filter  
An automotive air filter including natural fiber filter media region, having piteous, absorbent, wickable natural fibers, a synthetic fiber filter media region including, absorbent spunbond...
6811594 Filter materials and methods for the production thereof  
There is disclosed an electrostatically charged filter material comprising a blend of polyester fibers and electrostatically chargeable fibers of at least one other kind.
6808548 Three component filtration material  
A filter material comprising a blend of at least three types of fibers: (a) polypropylene fibers (b) polymethaphenylene isophtalamide fibers and (c) fibers of a third type selected from the group...
6808553 Filter medium for turbine and methods of using and producing the same  
The present invention is to provide a filter medium for a turbine in which contamination is less likely to be caused in the turbine, and an increase in pressure loss is suppressed. One form of this...
6808551 Method of using fluorinated electrets  
An electret is described that includes a surface modified polymeric article having surface fluorination produced by fluorinating the polymeric article.
6802315 Vapor deposition treated electret filter media  
A vapor phase treated electret filter media includes an additive or mixtures thereof that enhance the charge stability of the media. The filter media achieves acceptable alpha values for a range of...
6800106 Thermochromic filter apparatus for computer  
A filter apparatus includes a filter panel having inner and outer surfaces and a configuration for completely covering a computer housing ventilation opening. The filter apparatus includes an...
6797027 Filter assemblies and systems for intake air for fuel cells  
A filter assembly for removing particulate contaminants and chemical contaminants from an incoming dirty air stream for a fuel cell. The filter assembly also includes a noise suppression element...
6793715 Equipment air filter  
The invention provides a filter that can be cut-to-fit or deformed to fit a variety of differently shaped and sized intakes. The invention also provides a filter kit that allows a user to create a...
6783574 Electret filter media and filtering masks that contain electret filter media  
Electret filter media comprising a nonwoven web of thermoplastic nonconductive microfibers having trapped charge, said charge provided by (1) subjecting the nonwoven web to a corona treatment,...
6780226 Charge stabilized electret filter media  
An electret filter media includes an additive or mixtures thereof that enhance the charge stability of the media. The filter media achieves acceptable alpha values for a range of filtration...
6780217 Panel air filter with gasket of non-woven felt  
A panel filter element having pleated filter paper media and precut gasket made of polyester felt is mounted in a tray inserted into the air intake housing of an internal combustion engine, wherein...
6758877 Filter and method for manufacturing the filter  
A filter and a method of manufacturing the filter which is formed by spinning a fiber in a semi-molten state onto a mold such that the mold is provided as a filter structural member. The method...
6758878 Thermobondable filter medium and border frame and method of making same  
Self-supporting pleated fluid filter medium and method of making the same wherein the filter medium and accompanying flow-through border frame are of coated thermobondable materials, which are heat...
6746517 Filter structure with two or more layers of fine fiber having extended useful service life  
The use of fine fiber or fiber having a fiber diameter of about 0.0001 to 0.5 microns has become an important design tool for filter media. Common filter media have been prepared with a layer of...
6740142 Industrial bag house elements  
The filter structures commonly known as a bag house or a filter bag or an air filter with a bag construction can be made by preparing the bag assembly, either in a tubular or a bi-fold construction...
6736874 Filter device with clamping wedge  
A filter device, especially for filtering the intake air of an internal combustion engine, which includes a housing with an unfiltered air inlet and a clean air outlet, and a substantially...
6723147 Air-permeable filter for ink cartridge and ink cartridge comprising same  
An air-permeable filter for an ink cartridge includes at least one porous material layer including at least one resin selected from the group including fluororesin and polyolefin resin, and at...
6723157 Material for capturing chemical substance, method for producing the same, and chemical substance-capturing tube  
A material is provided for capturing a chemical substance comprising fibers which carry metal alkoxide particles on the surfaces thereof. The metal alkoxide particles are made from an oligosilica,...
6716266 Dust filter  
A dust filter for a ducted air delivery system has a frame, a filter, an extension of rubbery thermoplastic material, and an integral lip. The frame defines an open mouth and a body portion formed...
6716274 Air filter assembly for filtering an air stream to remove particulate matter entrained in the stream  
Filter arrangements for industrial air cleaners include a barrier media, usually pleated, treated with a deposit of fine fiber. The media is particularly advantageous in high temperature (greater...
Matches 51 - 100 out of 565 < 1 2 3 4 5 6 7 8 9 10 11 12 >