Issued Patents All Time
Showing 1–25 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12354795 | Solenoid systems and methods for achieving lower cost | Christopher Brophy, Kevin Dixon | 2025-07-08 |
| 11022085 | Engine operation detection system | Robert Koenen, Christopher Meyers, Timothy Ogden, Kevin T. Bernier | 2021-06-01 |
| 10870135 | Pressure washers including jet pumps | Joseph Giacalone | 2020-12-22 |
| 10654054 | Pressure washers including jet pumps | — | 2020-05-19 |
| 10392761 | Automatically adjustable snowthrower chute | Robert Koenen, Dan Brueck | 2019-08-27 |
| 9628009 | Method for monitoring and controlling engine speed | Robert Koenen | 2017-04-18 |
| 9605572 | Muffler and engine system | Gary J. Gracyalny | 2017-03-28 |
| 9598828 | Snowthrower including power boost system | — | 2017-03-21 |
| 9493920 | Automatically adjustable snowthrower chute | Robert Koenen, Dan Brueck | 2016-11-15 |
| 9316175 | Variable venturi and zero droop vacuum assist | — | 2016-04-19 |
| 9150212 | Transmission for outdoor power equipment | — | 2015-10-06 |
| 9051927 | Water pump having two operating conditions | Richard J. Gilpatrick, Gary J. Gracyalny | 2015-06-09 |
| 8938894 | Automatically adjustable snowthrower chute | Robert Koenen, Dan Brueck | 2015-01-27 |
| 8930117 | Hybrid drive system and method | — | 2015-01-06 |
| 8915231 | Engine speed control system | — | 2014-12-23 |
| 8910616 | Carburetor system for outdoor power equipment | — | 2014-12-16 |
| 8845486 | Transmission for outdoor power equipment | — | 2014-09-30 |
| 8814531 | Pressure washers including jet pumps | — | 2014-08-26 |
| 8726882 | Engine speed control system | — | 2014-05-20 |
| 8683973 | Intake runner for an internal combustion engine | — | 2014-04-01 |
| 8656883 | Recoil starter assembly for an engine | Gregory L. Hupfer, Chad J. Gartzke, Carl T. Tiefenthaler | 2014-02-25 |
| 8485313 | Muffler and engine system | Gary J. Gracyalny | 2013-07-16 |
| 8448622 | Choke and priming system for an internal combustion engine | — | 2013-05-28 |
| 8403102 | Automatic engine speed adjustment | — | 2013-03-26 |
| 7650731 | Belt tensioner for coupon insertion apparatus | Anthony J. Nowakowski | 2010-01-26 |