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Karl-Heinz Krah GmbH

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Organization

  • Schutzbah, DE
Organizations

Patents Grantslast 30 patents

  • Information Patent Grant

    Electrofusion socket forming system
    • Patent number 7,767,938
    • Issue date Aug 3, 2010
    • Karl-Heinz Krah GmbH
    • Karl-Heinz Krah
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Internal pressure testing apparatus and method for pipe
    • Patent number 7,628,056
    • Issue date Dec 8, 2009
    • Karl-Heinz Krah GmbH
    • Karl-Heinz Krah
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Electrofusion socket forming system
    • Patent number 7,144,045
    • Issue date Dec 5, 2006
    • Karl-Heinz Krah GmbH
    • Karl-Heinz Krah
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Electrofusion socket forming system
    • Patent number 6,781,099
    • Issue date Aug 24, 2004
    • Karl-Heinz Krah GmbH
    • Karl-Heinz Krah
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    Internal pressure testing apparatus and method for pipe
    • Publication number 20070220957
    • Publication date Sep 27, 2007
    • Karl-Heinz Krah GmbH
    • Karl-Heinz Krah
    • G01 - MEASURING TESTING
  • Information Patent Application

    Electrofusion socket forming system
    • Publication number 20070145736
    • Publication date Jun 28, 2007
    • Karl-Heinz Krah GmbH
    • Karl-Heinz Krah
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    Electrofusion socket forming system
    • Publication number 20020130124
    • Publication date Sep 19, 2002
    • Karl-Heinz Krah GmbH
    • Karl-Heinz Krah
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Trademarklast 30 trademarks