Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9753294 | Eyewear system, apparatus and method for stereoscopically viewing motion pictures | — | 2017-09-05 |
| 8717425 | System for stereoscopically viewing motion pictures | — | 2014-05-06 |
| 5437819 | Fluid contacting apparatus and methods of making the same | — | 1995-08-01 |
| 5296205 | Multi-bed mass transfer column with mobile packing | — | 1994-03-22 |
| 5292440 | Removal of hydrogen sulfide from sour water without loss of heavy metal | — | 1994-03-08 |
| 5286466 | Multi-bed cocurrent downflow mass transfer column with spherical packing | — | 1994-02-15 |
| 5286389 | Removal of hydrogen sulfide from sour water | — | 1994-02-15 |
| 5160714 | Continuous autocirculation, multiple zone mass transfer apparatus and method | — | 1992-11-03 |
| 5139753 | Continuous process for mass transfer of a liquid reagent with two different gases | — | 1992-08-18 |
| 5126297 | Method of making a metal phthalocyanine catalyst | Edward J. Dowd, Derek McManus | 1992-06-30 |
| 5126118 | Process and apparatus for removal of H.sub.2 S with separate absorber and oxidizer and a reaction chamber therebetween | — | 1992-06-30 |
| 5122351 | Method and apparatus for removing H.sub.2 S from a process gas and recovering sulfur | — | 1992-06-16 |
| 4784775 | Removal of hydrogen sulfide from sour water | — | 1988-11-15 |
| 4730369 | Method and apparatus for melting and recovering sulfur in aqueous slurries | Gary J. Nagl | 1988-03-15 |
| 4482524 | Autocirculation apparatus | — | 1984-11-13 |
| 4404857 | Seam tester | Kenneth A. Sandstrom | 1983-09-20 |
| 4402273 | Reduction of nitrogen oxide emissions from calciners | Gary J. Nagl | 1983-09-06 |
| 4330513 | Catalytic fume incineration | William K. Hunter, Edward J. Dowd | 1982-05-18 |
| 4289505 | Solvent recovery from water | Joseph P. Eng, Gary J. Nagl | 1981-09-15 |
| 4238462 | Autocirculation process and apparatus | — | 1980-12-09 |