Robert C. Ahrmann

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Columbus, IN, US

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Patents Grantslast 30 patents

Information Patent Grant
Compression relief brake assembly
- Patent number D836505
- Issue date Dec 25, 2018
- Cummins Inc.
- Richard J. Gustafson
- D12 - Transportation
Information Patent Grant
Compression relief brake assembly
- Patent number D828249
- Issue date Sep 11, 2018
- Cummins Inc.
- Richard J. Gustafson
- D12 - Transportation
Information Patent Grant
Compression relief brake system
- Patent number D828250
- Issue date Sep 11, 2018
- Cummins Inc.
- Richard J. Gustafson
- D12 - Transportation
Information Patent Grant
Rocker for compression relief brake
- Patent number D813124
- Issue date Mar 20, 2018
- Cummins Inc.
- Richard J. Gustafson
- D12 - Transportation

Patents Applicationslast 30 patents

Information Patent Application
PRESSURE RESERVOIR IN ROCKER SHAFT FOR ENGINE BRAKE
- Publication number 20220349323
- Publication date Nov 3, 2022
- Cummins Inc.
- Alan R. Bennett
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES