Allyn J. Hein

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Joliet, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Two position variable displacement motor
- Patent number 4,168,653
- Issue date Sep 25, 1979
- Caterpillar Tractor Co.
- Allyn J. Hein
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Combined summing and underspeed valve
- Patent number 4,080,979
- Issue date Mar 28, 1978
- Caterpillar Tractor Co.
- Allyn J. Hein
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Pump control assembly having adjustable biasing means
- Patent number 4,013,381
- Issue date Mar 22, 1977
- Caterpillar Tractor Co.
- Allyn J. Hein
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Interconnected pump control means of a plurality of pumps
- Patent number 3,999,892
- Issue date Dec 28, 1976
- Caterpillar Tractor Co.
- Allyn J. Hein
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Hydrostatic pump including separate noise reducing valve assemblies...
- Patent number 3,956,969
- Issue date May 18, 1976
- Caterpillar Tractor Co.
- Allyn J. Hein
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...