Featured patents

Double Helix Grease Filter
US 08840698 B2, Sept. 23, 2014, Helical vane or baffle within flow conduit, Khalil Chmayssani et al. / Franke Technology and Trademark Ltd. (Hergiswil, CH)
A fat or grease filter, comprising:…

Flutable Fiber Webs With High Dust Holding Capacity
US 08778046 B2, July 15, 2014, Fibrous or strand form, Douglas M. Guimond et al. / Hollingsworth & Vose Company (East Walpole, US)
A fiber web having a dust…

Framed Air Filter and Method of Making
US 08685129 B2, April 1, 2014, With additional transversely arranged members, Jonathan M. Lise / 3M Innovative Properties Company (St. Paul, US)
A framed air filter, comprising:…

System for Purifying Gas
US 08663352 B2, March 4, 2014, Cyclone or centrifugal whirl type deflector, Jörg Sczesny et al. / Hydac Process Technology GmbH (Neunkirchen, DE)
A system for purifying gas, comprising:…

Air Filter Arrangement
US 08636820 B2, Jan. 28, 2014, Gasket or sealing means, Donald Mork et al. / Donaldson Company, Inc. (Minneapolis, US)
An air filter cartridge comprising:…

Low Fiber Recirculation Filter
US 08585793 B2, Nov. 19, 2013, Plies or layers of different characteristics or orientation, Timothy D. Bishop et al. / W. L. Gore & Associates, Inc. (Newark, US)
A recirculation filter comprising:…

Membrane-Free Filter And/Or Integral Framing for Filter
US 08535404 B2, Sept. 17, 2013, Involving communication receiving or transmitting apparatus, LaMonte A. Crabtree et al. / Clarcor Air Filtration Products (Jeffersonville, US)
A filter for a cooling unit of an enclosure, the cooling unit adapted to receive…

Filters and Methods for Imparting Structural Support to Pleated Filter Media
US 08506667 B2, Aug. 13, 2013, Spiral or cylindrical, Jamison William Janawitz et al. / General Electric Company (Schenectady, US)
A method for imparting structural support to a pleated filter material,…

Cyclonic Fluid Separator
US 08475555 B2, July 2, 2013, Flow straightener, Frederik Albert Lammers et al. / Twister B.V. NL
A cyclonic fluid separator with a tubular housing in which the fluid is…

Auxiliary O-Ring Gland
US 08449640 B2, May 28, 2013, Gasket or sealing means, Michael Protasiewicz et al. / Cummins Filtration IP Inc. (Minneapolis, US)
A sealing apparatus comprising:…

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