Inventor
Hubert S. Gilgenbach
Inventor
Butte des Morts, WI, US
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B63Hprimary
B63HMarine propulsion or steering56%
F02BInternal-combustion piston engines11%
F16BDevices for fastening or securing constructional elements or machine parts together, e.g. nails, bolts, circlips, clamps, clips or wedges11%
F16FSprings11%
Y10TTechnical subjects covered by former us classification11%
PatentTitleYear
5,890,938'Marine counter-rotational propulsion system'19995,630,704'Propeller drive sleeve with asymmetric shock absorption'19974,993,151'Method of making an easily removed marine propeller'19914,925,369'Easily removed marine propeller'19904,802,822'Marine propeller with optimized performance blade contour'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989–1999Patents assigned to BRUNSWICK CORP (5)· patent assignee history
1989–1991Based in Butte des Morts, WI, US· patent location history
1997–1999Based in Oshkosh, WI, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BRUNSWICK CORP | 5 | 1989–1999 |
Locations
| Location | Patents | Span |
|---|---|---|
| Butte des Morts, WI, US | 3 | 1989–1991 |
| Oshkosh, WI, US | 2 | 1997–1999 |