TREA

Means for cleaning filters

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  • CPC
  • A47L11/4033
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Parent Industries

AHUMAN NECESSITIES A47Furniture A47LDOMESTIC WASHING OR CLEANING SUCTION CLEANERS IN GENERAL A47L11/00Machines for cleaning floors, carpets, furniture, walls, or wall coverings

Current Industry

A47L11/4033Means for cleaning filters
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Vibrating air filter for robotic vacuums
    • Patent number 11,684,886
    • Issue date Jun 27, 2023
    • AI Incorporated
    • Ali Ebrahimi Afrouzi
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Automatic filter cleaning system
    • Patent number 10,596,508
    • Issue date Mar 24, 2020
    • PRODUCTEERS A/S
    • Holger Krogsgaard
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Device for beating dust and dust collector using same
    • Patent number 10,507,418
    • Issue date Dec 17, 2019
    • Jiangsu Midea Cleaning Appliances Co., Ltd.
    • Shenghui Liu
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Sweeping machine
    • Patent number 9,220,387
    • Issue date Dec 29, 2015
    • Alfred Kärcher GmbH & Co. KG
    • Frank Nonnenmann
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Integral vacuum fan housing
    • Patent number 8,562,704
    • Issue date Oct 22, 2013
    • Tennant Company
    • Kurt Clarence Adelman
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Road sweeper
    • Patent number 8,505,161
    • Issue date Aug 13, 2013
    • Alfred Kärcher GmbH & Co. KG
    • Roland Schick
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Filter shaker assembly for sweeping machine
    • Patent number 8,256,061
    • Issue date Sep 4, 2012
    • Tennant Company
    • Michael Stewart Wilmo
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Filtering means and floor-sweeping machine provided with such means
    • Patent number 8,161,598
    • Issue date Apr 24, 2012
    • Nilfisk-Advance SpA
    • John Black
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Electromagnetic filter cleaning system
    • Patent number 6,117,200
    • Issue date Sep 12, 2000
    • Tennant Company
    • David W. Berg
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Scrubbing machine with means for continuously cleaning a filter
    • Patent number 5,901,407
    • Issue date May 11, 1999
    • Tennant Company
    • Steven L. Boomgaarden
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Forklift mounted sweeping machine
    • Patent number 5,054,150
    • Issue date Oct 8, 1991
    • Best Industries, Inc.
    • Dan F. Best
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Unattended air cleaning system for surface maintenance machine
    • Patent number 5,013,333
    • Issue date May 7, 1991
    • Tennant Company
    • Jeffrey J. Beaufoy
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Hand-guided sweeping machine
    • Patent number 4,974,283
    • Issue date Dec 4, 1990
    • Hako-Werke GmbH & Co.
    • Heinz Holsten
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Vacuum cleaning water separator
    • Patent number 4,934,021
    • Issue date Jun 19, 1990
    • U.S. Philips Corp.
    • Gerard J. Lenting
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Horizontally mounted cylindrical segmented bore pleated filter syst...
    • Patent number 4,756,727
    • Issue date Jul 12, 1988
    • D. Franklin Howeth
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Modular carpet cleaning apparatus
    • Patent number 4,686,735
    • Issue date Aug 18, 1987
    • Eldred E. Soeffker
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Floor maintenance machine and method
    • Patent number 4,586,208
    • Issue date May 6, 1986
    • Tennant Company
    • Donald S. Trevarthen
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Walk behind floor maintenance machine
    • Patent number 4,580,313
    • Issue date Apr 8, 1986
    • Tennant Company
    • Michael L. Blehert
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    High capacity filter for floor cleaning machines and the like
    • Patent number 4,514,875
    • Issue date May 7, 1985
    • McGraw-Edison Company
    • Philip L. Comer
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Recycling cleaning apparatus
    • Patent number 4,466,155
    • Issue date Aug 21, 1984
    • Dale L. Grave
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Sweeper hopper with filter assembly
    • Patent number 4,328,014
    • Issue date May 4, 1982
    • The Scott & Fetzer Company
    • Jack L. Burgoon
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    3304572
    • Patent number 3,304,572
    • Issue date Feb 21, 1967
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    3065493
    • Patent number 3,065,493
    • Issue date Nov 27, 1962
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    3060485
    • Patent number 3,060,485
    • Issue date Oct 30, 1962
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    2972769
    • Patent number 2,972,769
    • Issue date Feb 28, 1961
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    2889006
    • Patent number 2,889,006
    • Issue date Jun 2, 1959
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    2784440
    • Patent number 2,784,440
    • Issue date Mar 12, 1957
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    2407408
    • Patent number 2,407,408
    • Issue date Sep 10, 1946
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    2202223
    • Patent number 2,202,223
    • Issue date May 28, 1940
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

  • Information Patent Application

    SELF-CLEANING DUST CYLINDER ASSEMBLY AND HAND-HELD VACUUM CLEANER W...
    • Publication number 20220167822
    • Publication date Jun 2, 2022
    • Airplove (Xiamen) Electronic Co., Ltd.
    • Jueyuan Chen
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    VACUUM CLEANER AND DOCKING STATION FOR USE WITH THE SAME
    • Publication number 20200345196
    • Publication date Nov 5, 2020
    • SharkNinja Operating, LLC
    • Daniel J. INNES
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    SWEEPING MACHINE
    • Publication number 20140123433
    • Publication date May 8, 2014
    • Alfred Karcher GmbH & Co. KG
    • Frank Nonnenmann
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    ROAD SWEEPER
    • Publication number 20130025076
    • Publication date Jan 31, 2013
    • Alfred Karcher GmbH & Co. KG
    • Roland Schick
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    Integral Vacuum Fan Housing
    • Publication number 20110289723
    • Publication date Dec 1, 2011
    • Kurt Clarence Adelman
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    FILTERING MEANS AND FLOOR-SWEEPING MACHINE PROVIDED WITH SUCH MEANS
    • Publication number 20090282641
    • Publication date Nov 19, 2009
    • John BLACK
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Filter Shaker Assembly for Sweeping Machine
    • Publication number 20090217479
    • Publication date Sep 3, 2009
    • TENNANT COMPANY
    • Michael Stewart Wilmo
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Application

    Integral Vacuum Fan Housing
    • Publication number 20080276413
    • Publication date Nov 13, 2008
    • Kurt Clarence Adelman
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    Floor burnishing apparatus with active dust control
    • Publication number 20040128788
    • Publication date Jul 8, 2004
    • Sean K. Goff
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...