Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7179382 | Coated activated carbon for automotive emission control | Laurence H. Hiltzik, David R. Walker | 2007-02-20 |
| RE38844 | Method for reducing emissions from evaporative emissions control systems | Laurence H. Hiltzik, Jacek Z. Jaqiello, Roger S. Williams | 2005-10-25 |
| 6540815 | Method for reducing emissions from evaporative emissions control systems | Laurence H. Hiltzik, Jacek Jagiello, Roger S. Williams | 2003-04-01 |
| 5538932 | Preparation of high activity, high density activated carbon with activatable binder | Zhiquan Yan, John C. McCue | 1996-07-23 |
| 5324703 | Method of preparation of gasoline vapor adsorptive activated carbon | John C. McCue, Zhiquan Yan | 1994-06-28 |
| 5276000 | Preparation for high activity, high density carbon | Charles C. Matthews | 1994-01-04 |
| 5238470 | Emission control device | Mitchell S. Dimitri, Charles C. Matthews | 1993-08-24 |
| 5206207 | Preparation for high activity high density carbon | — | 1993-04-27 |
| 5204310 | High activity, high density activated carbon | Mitchell S. Dimitri, Charles C. Matthews | 1993-04-20 |
| 4802898 | Method and apparatus for removing cyanogen chloride from air | — | 1989-02-07 |
| 4801311 | Method and apparatus for removing hydrogen cyanide, cyanogen and cyanogen chloride from air | — | 1989-01-31 |
| RE31093 | Process for making activated carbon with control of metal ion concentration in phosphoric acid | Robert L. Stallings, Charles E. Miller | 1982-11-30 |