Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6844745 | Method of determining the fluid condition of diesel engine lubricant during real time operation | Steven R. Schachameyer, Anne Matthews Brunson, Victor E. Shtaida, Lian Q. Zou, Richard W. Hirthe | 2005-01-18 |
| 6839620 | Detecting soot during real time operation in diesel engine lubricant | Richard W. Hirthe, Martin A. Seitz | 2005-01-04 |