Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7297036 | Clutch retention system for a marine propulsion device | Jeffrey J. Andrews, John C. Leroux | 2007-11-20 |
| 7188543 | Gear and bearing mechanism for improved ease of assembly within a gearcase | Jeffrey J. Andrews | 2007-03-13 |
| 6478543 | Torque transmitting device for mounting a propeller to a propeller shaft of a marine propulsion system | John A. Tuchscherer, Daniel J. Schlagenhaft, Michael A. Karls, Douglas A. Kiesling, Mitesh B. Sheth +3 more | 2002-11-12 |
| 6146223 | Marine propulsion unit with water inlets in all quadrants of the front portion of its torpedo-shape gearcase | Michael A. Karls, Jeffrey J. Andrews | 2000-11-14 |
| 6068529 | Marine propulsion unit with dual water inlet structure | Michael A. Karls, Roger E. Koepsel, Donald F. Harry | 2000-05-30 |
| 5902160 | Twin propeller marine propulsion unit | Michael A. Karls, Roger E. Koepsel, Donald F. Harry | 1999-05-11 |
| 5890938 | Marine counter-rotational propulsion system | Edward C. Eick, Woody Smith, Donald F. Harry, Hubert S. Gilgenbach | 1999-04-06 |
| 5791950 | Twin propeller marine propulsion unit | Michael A. Karls, Roger E. Koepsel, Donald F. Harry | 1998-08-11 |
| 5462463 | Marine dual propeller lower bore drive assembly | Gary L. Meisenburg, Edward C. Eick, Phillip D. Magee, Charles M. Mixon, Waylon D. Shields +2 more | 1995-10-31 |
| 5366398 | Marine dual propeller lower bore drive assembly | Gary L. Meisenburg, Edward C. Eick, Phillip D. Magee, Charles M. Mixon, Waylon D. Shields +2 more | 1994-11-22 |
| 5249995 | Marine drive having two counter-rotating surfacing propellers and dual propeller shaft assembly | Gary L. Meisenburg, Edward C. Eick, Charles M. Mixon, Phillip D. Magee | 1993-10-05 |
| 5230644 | Counter-rotating surfacing marine drive | Gary L. Meisenburg, Edward C. Eick, Phillip D. Magee, Charles M. Mixon | 1993-07-27 |
| 4342634 | Continuity spring for a hydraulic cylinder | William D. Haasl | 1982-08-03 |
| 4289488 | Stern drive gimbal arrangement | Herbert A. Bankstahl | 1981-09-15 |