Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12403999 | Marine propulsion system supported by a strut | Andrew ORVIETO, Keith Stanley, Dave Gruenwald | 2025-09-02 |
| 10906618 | Marine propulsion system supported by a strut | Keith Stanley, Andrew ORVIETO, Dave Gruenwald | 2021-02-02 |
| 9809289 | Hull mounted, steerable marine drive with trim actuation | Robert E. Nutt, Scott Allen Crutchfield, Robert Scott Beach, Douglas J. Yoder, Douglas G. Bickelhaupt +2 more | 2017-11-07 |
| D800173 | Vessel propulsion unit | Hideo Misao, Hisanori Mori, David J. Gruenwald, George Edward Phillips | 2017-10-17 |
| 9714071 | Breakaway shaft | Patrick J. McDonald, John Schlintz | 2017-07-25 |
| 9701381 | Breakaway skeg for a marine propulsion unit | John Schlintz, Douglas G. Bickelhaupt | 2017-07-11 |
| 9266593 | Hull mounted, steerable marine drive with trim actuation | Robert E. Nutt, Scott Allen Crutchfield, Robert Scott Beach, Douglas J. Yoder, Douglas G. Bickelhaupt +2 more | 2016-02-23 |
| 9187164 | Marine pod breakaway connection | John Schlintz | 2015-11-17 |
| 9169661 | Vertical concrete form with removable forming panels | Gerald T. Spude, Steven T. Huff | 2015-10-27 |
| 9067665 | Steering fuse | John Schlintz | 2015-06-30 |
| 8632332 | Vertical concrete form with removable forming panels | Gerald T. Spude, Steven T. Huff | 2014-01-21 |
| 4911666 | Boat propulsion device with internal exhaust | Roger A. Gage, David J. Gruenwald | 1990-03-27 |