Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8940242 | Multi-zoned catalyst compositions | Shau-Lin F. Chen | 2015-01-27 |
| 6506605 | System for sensing catalyst coating loss and efficiency | Fred M. Allen, Xiaolin Yang, Ronald M. Heck, Jeffrey B. Hoke, Earl Waterman +3 more | 2003-01-14 |
| 5685145 | Method and apparatus for performance enhancement of the manifold catalyst in the automotive exhaust system | Shiang Sung, Harold Rabinowitz | 1997-11-11 |