TREA

Berthold Kramer

Follow

Person

  • Netphen, DE
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Roll
    • Patent number 7,481,754
    • Issue date Jan 27, 2009
    • Walzen Irle GmbH
    • Jürgen Krüger
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Heatable calender roll
    • Patent number 7,174,949
    • Issue date Feb 13, 2007
    • Walzen Irle GmbH
    • Ludwig Hellenthal
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Controllable-temperature roll
    • Patent number 5,370,177
    • Issue date Dec 6, 1994
    • Walzen Irle GmbH
    • Gustav Fey
    • F28 - HEAT EXCHANGE IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    Roll
    • Publication number 20040266596
    • Publication date Dec 30, 2004
    • Walzen Irle GmbH
    • Jurgen Kruger
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE