Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11168274 | Low sulfur coal additive for improved furnace operation | Stephen Allen Johnson, John Philip Comer | 2021-11-09 |
| 9951287 | Low sulfur coal additive for improved furnace operation | Stephen Allen Johnson, John Philip Comer | 2018-04-24 |
| 8919266 | Low sulfur coal additive for improved furnace operation | Stephen Allen Johnson, John Philip Comer | 2014-12-30 |
| 8439989 | Additives for mercury oxidation in coal-fired power plants | Kenneth E. Baldrey, Sharon Sjostrom, Nina Bergan French, Michael D. Durham, Stephen Allen Johnson +1 more | 2013-05-14 |
| 7332002 | Low sulfur coal additive for improved furnace operation | Stephen Allen Johnson, John Philip Comer | 2008-02-19 |
| 6773471 | Low sulfur coal additive for improved furnace operation | Stephen Allen Johnson, John Philip Comer | 2004-08-10 |
| 6729248 | Low sulfur coal additive for improved furnace operation | Stephen Allen Johnson, John Philip Comer | 2004-05-04 |
| 6672085 | Hierarchical control method for a motor vehicle HVAC system | Karma Vir Sangwan, Thomas Martin Urbank, Charles Andrew Archibald | 2004-01-06 |
| 6381973 | Vehicle air cycle air conditioning system | Mohinder Singh Bhatti, Dennis Lee Farley | 2002-05-07 |
| 6221001 | Fly-ash slurry with solidification retardant | John Philip Comer, Kenneth E. Baldrey, Robert P. Sterner | 2001-04-24 |