Issued Patents All Time
Showing 26–46 of 46 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6978601 | Regenerating sulphur poisoned diesel catalysts | — | 2005-12-27 |
| 6889498 | Emissions control | Guy Richard Chandler | 2005-05-10 |
| 6877313 | Particulate control | Paul Richard Phillips | 2005-04-12 |
| 6863874 | Process and apparatus for treating combustion exhaust gas | — | 2005-03-08 |
| 6857265 | Diesel exhaust system including NOx-trap | Anthony John Joseph Wilkins | 2005-02-22 |
| 6775972 | Purification of exhaust gases | Ian Carmichael Wishart | 2004-08-17 |
| 6753294 | Catalytic wall-flow filter | Robert James Brisley, Anthony John Joseph Wilkins | 2004-06-22 |
| 6696031 | Treatment of exhaust gas | Robert James Brisley | 2004-02-24 |
| 6651424 | Catalyst systems | — | 2003-11-25 |
| 6294141 | Emission control | Anthony John Joseph Wilkins, Nigel Simon Will | 2001-09-25 |
| 5030440 | Hydrogen production | Warwick J. Lywood | 1991-07-09 |
| 4863712 | Catalysts for reforming hydrocarbon feedstocks | William Maurice Sengelow | 1989-09-05 |
| 4810685 | Foam catalysts, method of manufacture and method of using | William Maurice Sengelow | 1989-03-07 |
| 4777295 | Catalytic reduction process | — | 1988-10-11 |
| 4760190 | Amine production | — | 1988-07-26 |
| 4732688 | Effluent treatment | Stephen Bryan | 1988-03-22 |
| 4584235 | Thin films of phthalocyanine on substrate | Gareth Roberts | 1986-04-22 |
| 4581157 | Catalyst and steam reforming process | — | 1986-04-08 |
| 4568583 | Steam reforming | — | 1986-02-04 |
| 4460704 | Catalyst for the production of hydrogen | — | 1984-07-17 |
| 4329530 | Hydrogenation catalyst and process for the selective hydrogenation of highly unsaturated hydrocarbons | Elizabeth A. Irvine | 1982-05-11 |