Harold R. Orth

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Hinsdale, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Closed center draft control valve
- Patent number 4,184,334
- Issue date Jan 22, 1980
- International Harvester Company
- Harold R. Orth
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Simplified load sensitive hydraulic system for use with a vehicle s...
- Patent number 4,116,001
- Issue date Sep 26, 1978
- International Harvester Company
- Harold R. Orth
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Load sensing pull-type hydraulic amplifying fluid motor
- Patent number 4,061,079
- Issue date Dec 6, 1977
- International Harvester Company
- Harold R. Orth
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Load sensitive hydraulic system
- Patent number 4,034,563
- Issue date Jul 12, 1977
- International Harvester Company
- Harold R. Orth
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING