TREA

John G.S. Billingsley

Follow

Person

  • Newark, DE, US
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Method and apparatus for adjustable cutting of a filamentary material
    • Patent number 7,578,221
    • Issue date Aug 25, 2009
    • John G. S. Billingsley
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Pressure balanced cyclone separator
    • Patent number 5,800,579
    • Issue date Sep 1, 1998
    • Precision Cutters, Inc.
    • John G. S. Billingsley
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Cyclone separator
    • Patent number 5,236,479
    • Issue date Aug 17, 1993
    • Precision Cutters, Inc.
    • John G. S. Billingsley
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Materials handling fan impeller
    • Patent number 4,958,987
    • Issue date Sep 25, 1990
    • Precision Cutters, Inc.
    • John G. S. Billingsley
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Apparatus and method
    • Patent number 4,139,309
    • Issue date Feb 13, 1979
    • E. I. Du Pont de Nemours and Company
    • John G. S. Billingsley
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents