Magnetic couplings

Patents Grantslast 30 patents

  • Information Patent Grant

    Indoor unit of air-conditioner

    • Patent number 5,958,114
    • Issue date Sep 28, 1999
    • Kabushiki Kaisha Toshiba
    • Hiroshi Sunahara
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Soot filtering cap in a range hood

    • Patent number 5,824,126
    • Issue date Oct 20, 1998
    • Cheng Ho Chen
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Method of attaching sheet filter to inlet opening of ventilation fa...

    • Patent number 5,107,580
    • Issue date Apr 28, 1992
    • Casle Industrial Co., Ltd.
    • Kenji Watanabe
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Magnetically attached filter

    • Patent number 4,961,849
    • Issue date Oct 9, 1990
    • Harold L. Hull
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Clean room ceiling grid system

    • Patent number 4,724,749
    • Issue date Feb 16, 1988
    • Donaldson Company, Inc.
    • Geoffrey S. Hedrick
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Air filter

    • Patent number 4,470,834
    • Issue date Sep 11, 1984
    • Grabber Enterprises
    • Guy C. Fasanaro
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Filter device with magnetic filter clamp

    • Patent number 4,468,321
    • Issue date Aug 28, 1984
    • Gelman Sciences Inc.
    • Gerald D. St. John
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    3913473

    • Patent number 3,913,473
    • Issue date Oct 21, 1975
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    3912473

    • Patent number 3,912,473
    • Issue date Oct 14, 1975
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    3853517

    • Patent number 3,853,517
    • Issue date Dec 10, 1974
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    3831759

    • Patent number 3,831,759
    • Issue date Aug 27, 1974
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    3804942

    • Patent number 3,804,942
    • Issue date Apr 16, 1974
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    3768235

    • Patent number 3,768,235
    • Issue date Oct 30, 1973
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    3616622

    • Patent number 3,616,622
    • Issue date Nov 2, 1971
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    3522923

    • Patent number 3,522,923
    • Issue date Aug 4, 1970
    • E04 - BUILDING
  • Information Patent Grant

    3396096

    • Patent number 3,396,096
    • Issue date Aug 6, 1968
    • G01 - MEASURING TESTING
  • Information Patent Grant

    3378974

    • Patent number 3,378,974
    • Issue date Apr 23, 1968
    • E04 - BUILDING
  • Information Patent Grant

    3358578

    • Patent number 3,358,578
    • Issue date Dec 19, 1967
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    3354616

    • Patent number 3,354,616
    • Issue date Nov 28, 1967
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    3324521

    • Patent number 3,324,521
    • Issue date Jun 13, 1967
    • A41 - WEARING APPAREL
  • Information Patent Grant

    3269608

    • Patent number 3,269,608
    • Issue date Aug 30, 1966
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    3265075

    • Patent number 3,265,075
    • Issue date Aug 9, 1966
    • A45 - HAND OR TRAVELLING ARTICLES
  • Information Patent Grant

    3240341

    • Patent number 3,240,341
    • Issue date Mar 15, 1966
    • B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
  • Information Patent Grant

    3225679

    • Patent number 3,225,679
    • Issue date Dec 28, 1965
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    3203338

    • Patent number 3,203,338
    • Issue date Aug 31, 1965
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    3201072

    • Patent number 3,201,072
    • Issue date Aug 17, 1965
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    3187662

    • Patent number 3,187,662
    • Issue date Jun 8, 1965
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    3181895

    • Patent number 3,181,895
    • Issue date May 4, 1965
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    3159983

    • Patent number 3,159,983
    • Issue date Dec 8, 1964
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    3151695

    • Patent number 3,151,695
    • Issue date Oct 6, 1964
    • B60 - VEHICLES IN GENERAL