Issued Patents All Time
Showing 1–25 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8274348 | Single coil solenoid having a permanent magnet with bi-directional assist | Kevin G. Nowobilski | 2012-09-25 |
| 7280019 | Single coil solenoid having a permanent magnet with bi-directional assist | Kevin G. Nowobilski | 2007-10-09 |
| 6792910 | Oil injection system | David F. Haman | 2004-09-21 |
| 6695659 | Oil system with replaceable oil filter for two-cycle engines | David J. Hartke | 2004-02-24 |
| 6659120 | Vent control system | Harvey Ruth | 2003-12-09 |
| 6644250 | Engine oiling system and an oil system distribution manifold, and method of use | James C. Kantola, David J. Hartke | 2003-11-11 |
| 6612528 | Compound mounting bracket for a solenoid | Terence L. Collins, Peter J. Stocco, Joseph L. Schneider | 2003-09-02 |
| 6595814 | Watercraft fuel supply apparatus and method | David J. Hartke | 2003-07-22 |
| D474398 | Compound mounting bracket for a solenoid | Terence L. Collins, Peter J. Stocco, Joseph L. Schneider | 2003-05-13 |
| 6485340 | Electrically controlled shift and throttle system | Gaylord M. Borst, Anthony P. Prince | 2002-11-26 |
| 6478642 | Oil system with replaceable oil filter for two-cycle engines | David J. Hartke | 2002-11-12 |
| 6477992 | Oiling system | David J. Hartke | 2002-11-12 |
| 6453877 | Fuel delivery system using two pressure regulators with a single electric fuel pump | Peter Lucier, Harvey Ruth | 2002-09-24 |
| 6435146 | Engine oiling distribution system for purging air and method of use | James C. Kantola, David J. Hartke | 2002-08-20 |
| 6431199 | Vent control system | Harvey Ruth | 2002-08-13 |
| 6422255 | Multi-function valve having a movable seat and needle | David J. Hartke | 2002-07-23 |
| 6422207 | Fuel vapor separator | Harvey Ruth | 2002-07-23 |
| 6416373 | Oil system vent with remote oil reservoir | David J. Hartke | 2002-07-09 |
| 6394861 | Oil system and housing with periodic oil diversion | David J. Hartke | 2002-05-28 |
| 6390033 | Oiling system | David J. Hartke | 2002-05-21 |
| 6379200 | Watercraft fuel supply apparatus and method | David J. Hartke | 2002-04-30 |
| 6326895 | Fluid level sensor for fluid tanks of boats | David J. Hartke, James L. Holt | 2001-12-04 |
| 6318344 | Dead-headed fuel delivery system using a single fuel pump | Peter Lucier | 2001-11-20 |
| 6244917 | Fuel delivery system for a boat | David J. Hartke | 2001-06-12 |
| 6015365 | Electronic gear shift assist circuitry | Robert P. Otka | 2000-01-18 |