Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8919321 | Internal combustion engine with lubrication system | Geoffrey W. Burgess, Roy Meyer, Scott Sjovall, Jeffrey Bailey | 2014-12-30 |
| 8726869 | Internal combustion engine with plate-mounted cam drive system | Geoffrey W. Burgess, Roy Meyer, Scott Sjovall, Jeffrey Bailey | 2014-05-20 |
| 8511273 | Cylinder head of an internal combustion engine | Geoffrey W. Burgess, Roy Meyer, Bill Swiggum, Scott Sjovall, Joseph A. Gudgeon +4 more | 2013-08-20 |
| 8011333 | Vehicle and propulsion system including an internal combustion engine | Geoffrey W. Burgess, Roy Meyer, Bill Swiggum, Scott Sjovall, Joseph A. Gudgeon +4 more | 2011-09-06 |
| 7703423 | Vehicle and propulsion system including an internal combustion engine | Geoffrey W. Burgess, Roy Meyer, Scott Sjovall, Jeffrey Bailey, Nathan L. Oium | 2010-04-27 |
| 6557510 | Internal combustion engine compression reduction system | Scott Sjovall, Floyd Baker, Steven Kensok, Steven W. Svacina | 2003-05-06 |
| D467940 | Cylinder | Scott Sjovall, Eric Orvis Wangen | 2002-12-31 |
| D466133 | Cylinder profile | Scott Sjovall, Eric Orvis Wangen | 2002-11-26 |
| D463801 | Portion of a cylinder head | Eric Orvis Wangen | 2002-10-01 |
| 6318321 | Method of modifying motorcycle engine cam drive | Steven Kensok, Scott A. Sjoval, Tim Culver | 2001-11-20 |
| 5943997 | Evaporative emissions control for carburetors | Scott Sjovall, Brian W. Perkins, Robert A. Griswold | 1999-08-31 |
| 5492085 | Supported pushrod for internal combustion engines | Tim Tiller, Floyd Baker, George B. Smith | 1996-02-20 |
| 5390634 | Internal combustion engine having high performance combustion chamber | Craig E. Walters, Tim Tiller, George B. Smith | 1995-02-21 |
| 5322039 | Valve spring top collar | — | 1994-06-21 |