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Alma A. Hutchins

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  • Pasadena, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Fluid device with wear reducing rotor assembly
    • Patent number 5,253,990
    • Issue date Oct 19, 1993
    • Hutchins Manufacturing Company
    • Alma A. Hutchins
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Wet sanding tool
    • Patent number 5,022,190
    • Issue date Jun 11, 1991
    • Hutchins Manufacturing Company
    • Alma A. Hutchins
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Abrading tool
    • Patent number 4,839,995
    • Issue date Jun 20, 1989
    • Hutchins Manufacturing Company
    • Alma A. Hutchins
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Portable power operated sander
    • Patent number 4,671,019
    • Issue date Jun 9, 1987
    • Hutchins Manufacturing Company
    • Alma A. Hutchins
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Power sander with pad containing air-flow passages
    • Patent number 4,671,020
    • Issue date Jun 9, 1987
    • Hutchins Manufacturing Company
    • Alma A. Hutchins
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Powered abrading tool
    • Patent number 4,660,329
    • Issue date Apr 28, 1987
    • Hutchins Manufacturing Company
    • Alma A. Hutchins
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Orbital abrading or polishing tool
    • Patent number 4,592,170
    • Issue date Jun 3, 1986
    • Hutchins Manufacturing Company
    • Alma A. Hutchins
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Vacuum cleaner having bag cleaning apparatus
    • Patent number 4,297,114
    • Issue date Oct 27, 1981
    • Hutchins Manufacturing Co.
    • Alma A. Hutchins
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Rotary abrading tool
    • Patent number 4,145,848
    • Issue date Mar 27, 1979
    • Hutchins Manufacturing Co.
    • Alma A. Hutchins
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Straight line abrading tool with balancing counterweight
    • Patent number 4,145,847
    • Issue date Mar 27, 1979
    • Hutchins Manufacturing Co.
    • Alma A. Hutchins
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Retention of abrasive sheet material on an abrading tool
    • Patent number 4,091,576
    • Issue date May 30, 1978
    • Alma A. Hutchins
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Abrading tool clip with automatic take-up
    • Patent number 4,077,165
    • Issue date Mar 7, 1978
    • Alma A. Hutchins
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Straight line abrading tool
    • Patent number 3,965,801
    • Issue date Jun 29, 1976
    • Alma A. Hutchins
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Straight line abrading tool
    • Patent number 3,932,963
    • Issue date Jan 20, 1976
    • Alma A. Hutchins
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR