Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8093440 | Process and apparatus for C2 recovery | Ronald D. Key | 2012-01-10 |
| 7891930 | Hydraulically driven conveyor | — | 2011-02-22 |
| 7544272 | Apparatus for C2 recovery | Ronald D. Key | 2009-06-09 |
| 6514258 | Penetration limiting stop elements for a drill bit used for bone tissue | Ralph E. Goodman | 2003-02-04 |
| 6278035 | Process for C2 recovery | Ronald D. Key | 2001-08-21 |
| RE36373 | Low NOx burner process for boilers | Robert P. Benz | 1999-11-02 |
| 5511971 | Low nox burner process for boilers | Robert P. Benz | 1996-04-30 |
| 5250763 | Acoustical equalization device system | — | 1993-10-05 |
| 4882907 | Solar power generation | — | 1989-11-28 |
| 4691522 | Solar power generation | — | 1987-09-08 |
| 4606192 | Solar power generation | — | 1986-08-19 |
| 4549604 | Steam absorber | — | 1985-10-29 |