TREA

Karl-Heinz Ronthaler

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  • Z/u/ lpich, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Dual-shaft vacuum pump
    • Patent number 7,559,752
    • Issue date Jul 14, 2009
    • Oerlikon Leybold Vacuum GmbH
    • Rudolf Bahnen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Radial turbo-blower
    • Patent number 6,682,324
    • Issue date Jan 27, 2004
    • Leybold Vakuum GmbH
    • Josef Hodapp
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Apparatus and method for regulating a pressure in a chamber
    • Patent number 5,944,049
    • Issue date Aug 31, 1999
    • Applied Materials, Inc.
    • Christian Beyer
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Oil supply device for a rotary machine
    • Patent number 5,044,895
    • Issue date Sep 3, 1991
    • Leybold Aktiengesellschaft
    • Peter Frieden
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Method of making a dual-shaft machine
    • Patent number 4,974,318
    • Issue date Dec 4, 1990
    • Leybold Aktiengesellschaft
    • Josef Heppekausen
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Bearing support for a twin-shaft pump
    • Patent number 4,917,583
    • Issue date Apr 17, 1990
    • Leybold Aktiengesellschaft
    • Heinz Frings
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Two-shaft vacuum pump with internal compression
    • Patent number 4,639,199
    • Issue date Jan 27, 1987
    • Leybold-Heraeus GmbH
    • Heinz Frings
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vacuum pump having an evacuated gear chamber
    • Patent number 4,632,650
    • Issue date Dec 30, 1986
    • Leybold-Heraeus GmbH
    • Peter Frieden
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vacuum pump with overload protection valve
    • Patent number 4,470,767
    • Issue date Sep 11, 1984
    • Leybold-Heraeus GmbH
    • Heinz Frings
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    Method for controlling the drive motor of a positive displacement v...
    • Publication number 20070071610
    • Publication date Mar 29, 2007
    • Michael Holzemer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Radial turbo-blower
    • Publication number 20030118461
    • Publication date Jun 26, 2003
    • Josef Hodapp
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...