TREA

Edward C. Tibbals Jr.

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  • Greensboro, NC, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Load counterbalancing coiled wire spring assembly
    • Patent number 5,445,364
    • Issue date Aug 29, 1995
    • Johnston; William Calvin
    • Edward C. Tibbals
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Apparatus and method for use in assessing the lifting capability of...
    • Patent number 5,275,045
    • Issue date Jan 4, 1994
    • Isotechnologies, Inc.
    • Joel W. Johnston
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Valve construction
    • Patent number 5,022,629
    • Issue date Jun 11, 1991
    • Interface, Inc.
    • Edward C. Tibbals
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Valve construction
    • Patent number 4,848,725
    • Issue date Jul 18, 1989
    • Interface, Inc.
    • Edward C. Tibbals
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Circular weft knitting machine
    • Patent number 4,738,123
    • Issue date Apr 19, 1988
    • Edward C. Tibbals
    • D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
  • Information Patent Grant

    Speed change device
    • Patent number 4,715,249
    • Issue date Dec 29, 1987
    • Edward C. Tibbals
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Single ball traction drive assembly
    • Patent number 4,700,581
    • Issue date Oct 20, 1987
    • Loeffler; William R.
    • Edward C. Tibbals
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Earthquake tremor responsive shut off valve
    • Patent number 4,688,592
    • Issue date Aug 25, 1987
    • Edward C. Tibbals
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Circular weft knitting machines
    • Patent number 4,608,839
    • Issue date Sep 2, 1986
    • Edward C. Tibbals
    • D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
  • Information Patent Grant

    Wobble type axial speed reducer apparatus
    • Patent number 4,563,915
    • Issue date Jan 14, 1986
    • Loeffler; William R.
    • Edward C. Tibbals
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Electric motor drive with infinitely variable speed transmission
    • Patent number 4,391,156
    • Issue date Jul 5, 1983
    • Loeffler; William R.
    • Edward C. Tibbals
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Disintegrating apparatus
    • Patent number 4,156,954
    • Issue date Jun 5, 1979
    • Edward C. Tibbals
    • D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING