Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7655209 | Process for production of carbon black | Frederick H. Rumpf, Roscoe W. Taylor | 2010-02-02 |
| 7638068 | Cogeneration system for grease separation and power production | — | 2009-12-29 |
| 7431909 | Process for production of carbon black | Frederick H. Rumpf, Roscoe W. Taylor | 2008-10-07 |
| 6349678 | Carbon black tailgas fueled reciprocating engines | Edward D. Stowell | 2002-02-26 |
| 6182614 | Carbon black tailgas fueled reciprocating engines | Edward D. Stowell | 2001-02-06 |