Nathan Gutman

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Loudonville, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Cooling system for rock ripper tip
- Patent number RE31164
- Issue date Mar 1, 1983
- Caterpillar Tractor Co.
- Delwin E. Cobb
- 299 - Mining or in situ disintegration of hard material
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
Cooling system for rock ripper tip
- Patent number 4,070,064
- Issue date Jan 24, 1978
- Caterpillar Tractor Co.
- Delwin E. Cobb
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Bulldozer blade with improved tip and end bit
- Patent number 3,961,788
- Issue date Jun 8, 1976
- Caterpillar Tractor Co.
- Eugene L. Helton
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING