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Norbert Schmid
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Bad Neustadt, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Liquid ring machine having a rotor with sweeping edges for scraping...
Patent number
6,082,973
Issue date
Jul 4, 2000
Siemens Aktiengesellschaft
Rudi Dittmar
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Self-cleaning side channel machine having at least one impeller rot...
Patent number
5,350,274
Issue date
Sep 27, 1994
Siemens Aktiengesellschaft
Norbert Schmid
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Liquid-ring pump having an outlet means including a noise reducing...
Patent number
5,299,916
Issue date
Apr 5, 1994
Siemens Aktiengesellschaft
Norbert Schmid
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
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
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...