Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7018558 | Method of improving performance of refrigerant systems | Nicholas E. Schnur | 2006-03-28 |
| 6828287 | Biodegradable two-cycle engine oil compositions and ester base stocks | Stephen C. Lakes, Henry G. Stoeppel, II | 2004-12-07 |
| 6664216 | Biodegradable two-cycle engine oil compositions and ester base stocks | Stephen C. Lakes, Henry G. Stoeppel, II | 2003-12-16 |
| 6197731 | Smokeless two-cycle engine lubricants | Eugene R. Zehler | 2001-03-06 |
| 6080212 | Lubricants for diesel fuel | Eugene R. Zehler | 2000-06-27 |
| 5925602 | Smokeless two-cycle engine lubricants | Eugene R. Zehler | 1999-07-20 |
| 5912214 | Smokeless two-cycle engine lubricants | Eugene R. Zehler | 1999-06-15 |
| 4992183 | Multigrade hydrogenated decene-1 oligomer engine oils | James E. Davis | 1991-02-12 |
| 4589990 | Mist lubricant compositions | Eugene R. Zehler | 1986-05-20 |
| 4537696 | Hydraulic fluids based on two centistoke synthetic hydrocarbons | — | 1985-08-27 |
| 4519932 | Low temperature hydraulic fluids based on two centistoke synthetic hydrocarbons | Nicholas E. Schnur | 1985-05-28 |
| 4477383 | Di- and tripentaerythritol esters of isostearic acid | Nicholas E. Schnur, Clarence J. Hughes, Jr. | 1984-10-16 |
| 4326070 | Beta deuterated 2-ethylhexanol and derivatives | Clarence E. Clark, Jr. | 1982-04-20 |