Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8156915 | Piston having ceramic head | — | 2012-04-17 |
| 7647909 | Pressure equalizing valve seal for spherical rotary valve engine | — | 2010-01-19 |
| 7547025 | Assembly and method for lowering and raising a transport trailer bed for loading and unloading a trailer | — | 2009-06-16 |
| 6880511 | Valve seal assembly for rotary valve engine | — | 2005-04-19 |
| 6789516 | Rotary valve and valve seal assembly for rotary valve engine having hemispherical combustion chambers | — | 2004-09-14 |
| 6779504 | Spherical rotary intake valve for spherical rotary valve engine assembly | — | 2004-08-24 |
| 6779925 | Bearing assembly | — | 2004-08-24 |
| 6718933 | Valve seal for rotary valve engine | — | 2004-04-13 |
| 6668785 | Piston head for internal combustion engine | — | 2003-12-30 |
| 6666458 | Valve seal for rotary valve engine | — | 2003-12-23 |
| 6308676 | Cooling system for rotary valve engine | — | 2001-10-30 |
| 6293098 | Method and apparatus for joining pressurized exhaust manifold sections | — | 2001-09-25 |
| 6008710 | Magnetic inductor water conditioner | — | 1999-12-28 |
| 5601405 | Valve apparatus for steam turbines | — | 1997-02-11 |
| 5361739 | Spherical rotary valve assembly for use in a rotary valve internal combustion engine | — | 1994-11-08 |
| 5109814 | Spherical rotary valve | — | 1992-05-05 |
| 4989558 | Spherical rotary valve assembly for an internal combustion engine | — | 1991-02-05 |
| 4989576 | Internal combustion engine | — | 1991-02-05 |
| 4976232 | Valve seal for rotary valve engine | — | 1990-12-11 |
| 4953527 | Spherical rotary valve assembly for an internal combustion engine | — | 1990-09-04 |
| 4944261 | Spherical rotary valve assembly for an internal combustion engine | — | 1990-07-31 |