Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6253544 | Method and apparatus for reducing pollutants | Robert P. Caren, Jack A. Ekchian | 2001-07-03 |
| 6017491 | Non-toxic corrosion inhibitive compositions and methods therefor | Ahmed Sharaby | 2000-01-25 |
| 6012283 | Method and apparatus for reducing pollutants | Robert P. Caren, Jack A. Ekchian | 2000-01-11 |
| 5806305 | Method and apparatus for reducing pollutants | Robert P. Caren, Jack A. Ekchian | 1998-09-15 |
| 5692481 | Method and apparatus for reducing contaminants in exhaust gases of an engine | — | 1997-12-02 |
| 5419790 | Non-toxic corrosion resistant conversion coating for aluminum and aluminum alloys | — | 1995-05-30 |
| 5399210 | Non-toxic corrosion resistant conversion coating for aluminum and aluminum alloys and the process for making the same | — | 1995-03-21 |
| 5356492 | Non-toxic corrosion resistant conversion process coating for aluminum and aluminum alloys | — | 1994-10-18 |
| 5244956 | Corrosion inhibiting coating composition | — | 1993-09-14 |
| 5235191 | Real-time x-ray device | — | 1993-08-10 |
| 5221371 | Non-toxic corrosion resistant conversion coating for aluminum and aluminum alloys and the process for making the same | — | 1993-06-22 |
| 5006588 | Corrosion and crack growth inhibiting compound, coating, and sealant material and method of making | — | 1991-04-09 |
| 4617105 | Coal liquefaction process using pretreatment with a binary solvent mixture | — | 1986-10-14 |
| 4609455 | Coal liquefaction with preasphaltene recycle | Robert F. Weimer | 1986-09-02 |
| 4542183 | Fatigue crack growth retardant material | Richard L. Smith | 1985-09-17 |
| 4539094 | Extraction of depolymerized carbonaceous material using supercritical ammonia | Swaminathan Sunder | 1985-09-03 |
| 4539095 | Aqueous alkali depolymerization of coal with a quinone | Swaminathan Sunder | 1985-09-03 |
| 4465587 | Process for the hydroliquefaction of heavy hydrocarbon oils and residua | Diwakar Garg | 1984-08-14 |
| 4327152 | Protective coating to retard crack growth in aluminum alloy | Richard L. Smith | 1982-04-27 |