Daniel E. Zimmermann

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Peoria, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for controlling a rotatable shaft
- Patent number 6,302,089
- Issue date Oct 16, 2001
- Caterpillar Inc.
- Daniel E. Zimmermann
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Variable displacement hydraulic piston unit with electrically opera...
- Patent number 6,176,684
- Issue date Jan 23, 2001
- Caterpillar Inc.
- Daniel E. Zimmermann
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Exhaust restrictor with gear motor actuator and method of controlli...
- Patent number 6,085,722
- Issue date Jul 11, 2000
- Caterpillar Inc.
- Daniel E. Zimmermann
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Electromagnetically actuated valve with thermal compensation
- Patent number 5,961,097
- Issue date Oct 5, 1999
- Caterpillar Inc.
- Daniel E. Zimmermann
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Hydraulic control valve having a centering spring device
- Patent number 5,316,044
- Issue date May 31, 1994
- Caterpillar Inc.
- John F. Szentes
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL