Featured patents

Air Cleaner Arrangements With End Support for Cartridge; Components; And, Methods
US 08814973 B2, Aug. 26, 2014, Spiral or cylindrical, Michel Baseotto et al. / Donaldson Company, Inc. (Minneapolis, US)
An air filter cartridge comprising:…

Filter Mounts for a Portable Fan and Methods for Mounting a Filter to a Portable Fan
US 08801824 B2, Aug. 12, 2014, Impeller within or proximate to space encompassed by separating media, Jeffrey P. Whittemore / Zipwall LLC (Arlington, US)
A fan, comprising: fan…

Panel Filter With Reduced Restriction
US 08668756 B2, March 11, 2014, Media within joinable or separable flow line sections, Cara R. Kazda et al. / Cummins Filtration IP Inc. (Minneapolis, US)
A filter assembly comprising a housing having an inlet and an outlet, a panel…

Air Filter Arrangement; Assembly; And, Methods
US 08663355 B2, March 4, 2014, Zigzag, Corrugated, or Conical, Donald Larson et al. / Donaldson Company, Inc. (Minneapolis, US)
An air filter cartridge comprising:…

Air-Treatment Mask Systems, and Related Methods and Air-Treatment Masks
US 08574331 B2, Nov. 5, 2013, Combined or Convertible, Roderick A. Hyde et al. / ELWHA LLC (Bellevue, US)
An air-treatment mask system, comprising:…

Three-Dimensional Filter
US 08562708 B2, Oct. 22, 2013, Edge supporting or securing means for nonplanar sheet form filter, Keith Platt / Diversitech Corporation (Duluth, US)
A three-dimensional filter comprising:…

Enhanced Vane Bundle Design
US 08500837 B2, Aug. 6, 2013, Deflectors apertured or closely spaced from flow path wall, William S. Asbury / Peerless Mfg. Co. (Dallas, US)
A separator device for separating solids or liquids from gas comprising:…

Filter Cartridge System
US 08475556 B2, July 2, 2013, Two or More Separators, Werner Blossey et al. / Mann + Hummel GmbH (Ludwigsburg, DE)
A filter cartridge assembly for installation into an air filter housing having…

Device, Method, and System to Separate Liquid and Particulate Matter From the Air Stream of a Centrifugal Fan
US 08470064 B2, June 25, 2013, Impeller within or proximate to space encompassed by separating media, Joseph Byron Davis et al. / Leseman Davis, LLC (Houston, US)
A system for separating contaminants from an airstream, the system comprising:…

Aerosol Separator; And Method
US 08460424 B2, June 11, 2013, Plies or layers of different characteristics or orientation, Robert M. Rogers et al. / Donaldson Company, Inc. (Minneapolis, US)
A crankcase ventilation filter including:…

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