Steven J. Zmuda

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Dunlap, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus and method for preventing underdigging of a work machine
- Patent number 6,131,061
- Issue date Oct 10, 2000
- Caterpillar Inc.
- Lee R. DenBraber
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Apparatus and method for restricting implement movement of a work m...
- Patent number 6,032,093
- Issue date Feb 29, 2000
- Caterpillar Inc.
- Lee R. Denbraber
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Lubrication control system for a work machine
- Patent number 5,823,295
- Issue date Oct 20, 1998
- Caterpillar Inc.
- Bobby D. Griffith
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Cold oil protection circuit for a hydraulic system
- Patent number 5,564,274
- Issue date Oct 15, 1996
- Caterpillar Inc.
- Lee R. Denbraber
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL