Machines therefor

Patents Grantslast 30 patents

  • Information Patent Grant

    Method of sealing a lamp by deformation of a pinch region using hig...

    • Patent number 7,445,534
    • Issue date Nov 4, 2008
    • Patent - Trewhand - Gesellschaft für elektrische Glühlampen mbH
    • Christoph Krieglmeyer
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Lamp air exhausting apparatus

    • Patent number 5,238,436
    • Issue date Aug 24, 1993
    • Samsung Electron Devices Co., Ltd.
    • Kye S. Lee
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Exhaust head

    • Patent number 4,137,953
    • Issue date Feb 6, 1979
    • Swanson-Erie Corporation
    • Ernest E. Yeo
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2935825

    • Patent number 2,935,825
    • Issue date May 10, 1960
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2816579

    • Patent number 2,816,579
    • Issue date Dec 17, 1957
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1461155

    • Patent number 1,461,155
    • Issue date Jul 10, 1923
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    Method and apparatus for producing a lamp

    • Publication number 20050275349
    • Publication date Dec 15, 2005
    • Patent-Treuhand-Gesellschaft fur elektrische Gluhlampen mbH
    • Christoph Krieglmeyer
    • H01 - BASIC ELECTRIC ELEMENTS