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Siegfried Schonwald

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  • Bad Neustadt, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Dust stripper for use in a side-channel compressor
    • Patent number 4,806,073
    • Issue date Feb 21, 1989
    • Siemens Aktiengesellschaft
    • Siegfried Schonwald
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vacuum generating apparatus including liquid ring pump, pre-separat...
    • Patent number 4,657,487
    • Issue date Apr 14, 1987
    • Siemens Aktiengesellschaft
    • Siegfried Schonwald
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary gas compressor
    • Patent number 4,610,602
    • Issue date Sep 9, 1986
    • Siemens Aktiengesellschaft
    • Norbert Schmid
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary gas compressor
    • Patent number 4,565,498
    • Issue date Jan 21, 1986
    • Siemens Aktiengesellschaft
    • Norbert Schmid
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor arrangement for a heat pump installation
    • Patent number 4,516,912
    • Issue date May 14, 1985
    • Siemens Aktiengesellschaft
    • Wilhelm Leitgeb
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Compressor unit
    • Patent number 4,492,530
    • Issue date Jan 8, 1985
    • Siemens Aktiengesellschaft
    • Siegfried Schonwald
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Radial piston compressor
    • Patent number 4,465,436
    • Issue date Aug 14, 1984
    • Siemens Aktiengesellschaft
    • Siegfried Schonwald
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Radial piston compressor and drive motor coupling arrangement
    • Patent number 4,451,211
    • Issue date May 29, 1984
    • Siemens Aktiengesellschaft
    • Siegfried Schonwald
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Liquid ring pump with a control disk arranged between the impeller...
    • Patent number 4,443,158
    • Issue date Apr 17, 1984
    • Siemens Aktiengesellschaft
    • Benedikt Bentele
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor and lubricating pump assembly
    • Patent number 4,436,490
    • Issue date Mar 13, 1984
    • Siemens Aktiengesellschaft
    • Siegfried Schonwald
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Multistage side-channel compressor
    • Patent number 4,363,598
    • Issue date Dec 14, 1982
    • Siemens Aktiengesellschaft
    • Siegfried Schonwald
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pressure regulated water supply system
    • Patent number 4,247,260
    • Issue date Jan 27, 1981
    • Siemens Aktiengesellschaft
    • Siegfried Schonwald
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Side channel compressor
    • Patent number 4,204,802
    • Issue date May 27, 1980
    • Siemens Aktiengesellschaft
    • Siegfried Schonwald
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Side channel compressor with at least one bearing arranged at the h...
    • Patent number 4,194,798
    • Issue date Mar 25, 1980
    • Siemens Aktiengesellschaft
    • Siegfried Schonwald
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pressure limiting valve
    • Patent number 4,194,527
    • Issue date Mar 25, 1980
    • Siemens Aktiengesellschaft
    • Siegfried Schonwald
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Fastening a rotor on a shaft
    • Patent number 4,172,678
    • Issue date Oct 30, 1979
    • Siemens Aktiengsellschaft
    • Siegfried Schonwald
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Impeller for a ring compressor
    • Patent number 4,141,674
    • Issue date Feb 27, 1979
    • Siemens Aktiengesellschaft
    • Siegfried Schonwald
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...