Orrin A. Stemler

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East Peoria, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Mounting arrangement for impact rock-breaker
- Patent number RE30769
- Issue date Oct 13, 1981
- Caterpillar Tractor Co.
- Delwin E. Cobb
- 299 - Mining or in situ disintegration of hard material
Information Patent Grant
Attitude control for implement
- Patent number 4,126,083
- Issue date Nov 21, 1978
- Caterpillar Tractor Co.
- Willard J. Haak
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Apparatus for forcibly engaging machine assemblies
- Patent number 4,108,561
- Issue date Aug 22, 1978
- Caterpillar Tractor Co.
- James E. Kelley
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Hydraulic system for rock breaker
- Patent number 4,030,566
- Issue date Jun 21, 1977
- Caterpillar Tractor Co.
- Delwin E. Cobb
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Impact means for ripper
- Patent number 4,003,603
- Issue date Jan 18, 1977
- Caterpillar Tractor Co.
- Orrin A. Stemler
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Mounting arrangement for impact rock breaker
- Patent number 3,990,595
- Issue date Nov 9, 1976
- Caterpillar Tractor Co.
- Delwin E. Cobb
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING