TREA

George A. Kruder

Follow

Person

  • Marion, OH, US
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Triple channel wave screw
    • Patent number 5,375,992
    • Issue date Dec 27, 1994
    • HPM Corporation
    • George A. Kruder
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Triple channel wave screw
    • Patent number 5,219,590
    • Issue date Jun 15, 1993
    • HPM Corporation
    • George A. Kruder
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Multi-channel extrusion screw with a zig-zag undercut barrier
    • Patent number 5,035,509
    • Issue date Jul 30, 1991
    • HPM Corporation
    • George A. Kruder
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Method of injection molding employing multichannel wave screw
    • Patent number 4,363,768
    • Issue date Dec 14, 1982
    • HPM Corporation
    • George A. Kruder
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Extrusion method with short cycle multichannel wave screw
    • Patent number 4,356,140
    • Issue date Oct 26, 1982
    • HPM Corporation
    • George A. Kruder
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Injection molding machine with multichannel wave screw
    • Patent number 4,285,600
    • Issue date Aug 25, 1981
    • HPM Corporation
    • George A. Kruder
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Extruder with short cycle multichannel wave screw
    • Patent number 4,277,182
    • Issue date Jul 7, 1981
    • HPM Corporation
    • George A. Kruder
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Extrusion apparatus and method
    • Patent number 4,173,417
    • Issue date Nov 6, 1979
    • HPM Corporation
    • George A. Kruder
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Vented injection molding machine and method
    • Patent number 4,112,519
    • Issue date Sep 5, 1978
    • HPM Corporation
    • George A. Kruder
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Vented injection molding machine
    • Patent number 4,074,362
    • Issue date Feb 14, 1978
    • HPM Corporation
    • George A. Kruder
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Extruder screws
    • Patent number 4,015,832
    • Issue date Apr 5, 1977
    • Koehring Company
    • George A. Kruder
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Vented extruder
    • Patent number 3,992,500
    • Issue date Nov 16, 1976
    • Koehring Company
    • George A. Kruder
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL