Douglas G. Bickelhaupt

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Oshkosh, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Hull mounted, steerable marine drive with trim actuation
- Patent number 9,809,289
- Issue date Nov 7, 2017
- Blue Sky Marine, LLC
- Robert E. Nutt
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Grant
Breakaway skeg for a marine propulsion unit
- Patent number 9,701,381
- Issue date Jul 11, 2017
- Caterpillar Inc.
- John Schlintz
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Grant
Hull mounted, steerable marine drive with trim actuation
- Patent number 9,266,593
- Issue date Feb 23, 2016
- Blue Sky Marine, LLC
- Robert E. Nutt
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT

Patents Applicationslast 30 patents

Information Patent Application
HULL MOUNTED, STEERABLE MARINE DRIVE WITH TRIM ACTUATION
- Publication number 20160121987
- Publication date May 5, 2016
- Blue Sky Marine, LLC
- Robert E. Nutt
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Application
REPLACEABLE NOSE SECTION FOR A MARINE PROPULSION UNIT
- Publication number 20150158570
- Publication date Jun 11, 2015
- Caterpillar Inc.
- John Schlintz
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Application
BREAKAWAY SKEG FOR A MARINE PROPULSION UNIT
- Publication number 20150158571
- Publication date Jun 11, 2015
- Caterpillar Inc.
- John Schlintz
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Application
HULL MOUNTED, STEERABLE MARINE DRIVE WITH TRIM ACTUATION
- Publication number 20150050849
- Publication date Feb 19, 2015
- Blue Sky Marine, LLC
- Robert E. Nutt
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT