Issued Patents All Time
Showing 25 most recent of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9771534 | Diesel exhaust treatment systems and methods | Steve Beal | 2017-09-26 |
| 7868048 | Heavy oil emulsion stabilizers containing saccharide based emulsion stabilizer | — | 2011-01-11 |
| 7063729 | Low-emissions diesel fuel | James M. Valentine, Jeremy D. Peter-Hoblyn | 2006-06-20 |
| 6948926 | Reduced-emissions combustion utilizing multiple-component metallic combustion catalyst | James M. Valentine | 2005-09-27 |
| 6003303 | Methods for reducing harmful emissions from a diesel engine | Jeremy D. Peter-Hoblyn, James M. Valentine, W. Robert Epperly | 1999-12-21 |
| 5749928 | Method for reducing emissions from or increasing the utilizable energy of fuel for powering internal combustion engines | W. Robert Epperly, Danny T. Kelso, Wayne E. Bowers | 1998-05-12 |
| 5693106 | Platinum metal fuel additive for water-containing fuels | Jeremy D. Peter-Hoblyn, James M. Valentine | 1997-12-02 |
| 5645756 | Hardness suppression in urea solutions | Leonard Dubin, W. Robert Epperly, Thure von Harpe | 1997-07-08 |
| 5441713 | Hardness suppression in urea solutions | Leonard Dubin, W. Robert Epperly, Thure von Harpe | 1995-08-15 |
| 5266083 | Method for reducing pollution emissions from a diesel engine | Jeremy D. Peter-Hoblyn, James M. Valentine, W. Robert Epperly | 1993-11-30 |
| 5215652 | Method for regenerating, replacing or treating the catalyst in a hydroprocessing reactor | W. Robert Epperly, Danny T. Kelso, Wayne E. Bowers | 1993-06-01 |
| 5069720 | Method and composition for the reduction of ammonia emissions from non-acidic residue | William R. Epperly | 1991-12-03 |
| 5057293 | Multi-stage process for reducing the concentration of pollutants in an effluent | William R. Epperly, Jeremy D. Peter-Hoblyn, George F. Shulof, Jr., James C. Sullivan, John H. O'Leary | 1991-10-15 |
| 5047219 | Hybrid process for nitrogen oxides reduction | W. Robert Epperly | 1991-09-10 |
| 5034020 | Method for catalyzing fuel for powering internal combustion engines | W. Robert Epperly | 1991-07-23 |
| 5017347 | Process for nitrogen oxides reduction and minimization of the production of other pollutants | William R. Epperly, James C. Sullivan, John H. O'Leary | 1991-05-21 |
| 4997631 | Process for reducing nitrogen oxides without generating nitrous oxide | John E. Hofmann, William H. Sun | 1991-03-05 |
| 4902488 | Process for nitrogen oxides reduction with minimization of the production of other pollutants | William R. Epperly, John H. O'Leary, James C. Sullivan | 1990-02-20 |
| 4892562 | Diesel fuel additives and diesel fuels containing soluble platinum group metal compounds and use in diesel engines | Wayne E. Bowers | 1990-01-09 |
| 4891050 | Gasoline additives and gasoline containing soluble platinum group metal compounds and use in internal combustion engines | Wayne E. Bowers | 1990-01-02 |
| 4877590 | Process for nitrogen oxides reduction with minimization of the production of other pollutants | William R. Epperly, John H. O'Leary, James C. Sullivan | 1989-10-31 |
| 4873066 | Low temperature process for the reduction of nitrgen oxides in an effluent | William R. Epperly, James C. Sullivan | 1989-10-10 |
| 4863704 | Multi-stage process for reducing the concentration of pollutants in an effluent using an ammonium salt | William R. Epperly, Jeremy D. Peter-Hoblyn, George F. Shulof, Jr., James C. Sullivan | 1989-09-05 |
| 4863705 | Process for the reduction of nitrogen oxides in an effluent | William R. Epperly, James C. Sullivan | 1989-09-05 |
| 4844878 | Process for the reduction of nitrogen oxides in an effluent | William R. Epperly, James C. Sullivan | 1989-07-04 |