Fritz Haupt

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Regensdorf, CH

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Patents Grantslast 30 patents

Information Patent Grant
Gear pump
- Patent number 5,253,988
- Issue date Oct 19, 1993
- Maag Pump Systems AG
- Alfred K. Hunziker
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Gear pump with rotatable sections
- Patent number 4,462,770
- Issue date Jul 31, 1984
- Maag Gear-Wheel & Machine Company Limited
- Fritz Haupt
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Intermeshing gear pump with sealing means comprising two concentric...
- Patent number 4,268,232
- Issue date May 19, 1981
- Maag Gearwheel & Machine Company Ltd.
- Fritz Haupt
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Gear pump with transmission gearwheel adjustment
- Patent number 4,225,296
- Issue date Sep 30, 1980
- Maag Gear Wheel & Machine Company
- Fritz Haupt
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...