TREA

David M. Pruett

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  • Canon City, CO, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Ball transfer device
    • Patent number 7,650,979
    • Issue date Jan 26, 2010
    • Portec, Inc.
    • Stephen D. Szarkowski
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Tension controlling and shock absorbing apparatus for an endless co...
    • Patent number 5,143,207
    • Issue date Sep 1, 1992
    • Portec, Inc.
    • David M. Pruett
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Chain guide mounting apparatus
    • Patent number 5,060,788
    • Issue date Oct 29, 1991
    • Portec, Inc.
    • Richard A. Compton
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Wheel and track system
    • Patent number 4,723,807
    • Issue date Feb 9, 1988
    • Portec, Inc.
    • David M. Pruett
    • B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    BALL TRANSFER DEVICE
    • Publication number 20100065400
    • Publication date Mar 18, 2010
    • David Pruett
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    BELT CONVEYOR
    • Publication number 20100065402
    • Publication date Mar 18, 2010
    • David Pruett
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    CONVEYOR SYSTEM
    • Publication number 20100012469
    • Publication date Jan 21, 2010
    • Stephen Szarkowski
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    Motorized Pulley
    • Publication number 20090294255
    • Publication date Dec 3, 2009
    • Stephen D. Szarkowski
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    Conveyor Diverter
    • Publication number 20090223779
    • Publication date Sep 10, 2009
    • Stephen D. Szarkowski
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    Ball Transfer Device
    • Publication number 20080271972
    • Publication date Nov 6, 2008
    • Stephen D. Szarkowski
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL