Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10381669 | Steam reformer for in-block fuel cell reforming | Gerry Agnew, Robert Cunningham, Eric Dean | 2019-08-13 |
| 10267230 | Apparatus and method for conditioning a fluid | — | 2019-04-23 |
| 10158139 | Fuel cell system and desulfurization system | — | 2018-12-18 |
| 10109875 | Fuel cell system and desulfurization system | — | 2018-10-23 |
| 9876244 | Systems and methods for steam reforming | — | 2018-01-23 |
| 9809453 | Catalysts for hydrocarbon reforming | — | 2017-11-07 |
| 9640822 | Fuel cell system and desulfurization system | — | 2017-05-02 |
| 9515338 | Fuel cell system and desulfurization system | — | 2016-12-06 |
| 9034527 | Fuel cell system and desulfurization system | — | 2015-05-19 |
| 6989455 | Two-stage process for the hydrogenation of maleic acid to 1,4-butanediol | Robert P. Hepfer, Craig T. Miller, Gregory A. Norenberg, Thomas G. Attig | 2006-01-24 |
| 6486367 | Process for the hydrogenation of maleic acid to 1,4-butanediol | Thomas G. Attig, Robert A. Dubbert | 2002-11-26 |
| 5969164 | Catalysts for the hydrogenation of maleic acid to 1,4-butanediol | Thomas G. Attig, Robert A. Dubbert | 1999-10-19 |
| 5698749 | Catalysts for the hydrogenation of aqueous maleic acid to 1,4-butanediol | S. Erik Pedersen, John G. Frye, Jr., Thomas G. Attig | 1997-12-16 |
| 5473086 | Process for the hydrogenation of maleic acid to 1,4-butanediol | Thomas G. Attig, S. Erik Pedersen | 1995-12-05 |
| 5196602 | Two-stage maleic anhydride hydrogenation process for 1,4-butanediol synthesis | Thomas G. Attig, Anne M. Graham | 1993-03-23 |
| 5072009 | Vapor-phase hydrogenation of maleic anhydride to tetrahydrofuran and gamma-butyrolactone | Thomas G. Attig | 1991-12-10 |
| 5055599 | Process for the hydrogenation of maleic anhydride to tetrahydrofuran and gamma-butyrolactone | — | 1991-10-08 |
| 4965378 | Vapor-phase hydrogenation of maleic anhydride to tetrahydrofuran and gamma-butyrolactone | Thomas G. Attig | 1990-10-23 |
| 4935538 | Oxygenate condensation | Senja V. Compton | 1990-06-19 |
| 4810807 | Hydrogenation of maleic anhydride to tetrahydrofuran | S. Erik Pedersen | 1989-03-07 |
| 4681868 | Oxygenate condensation catalyst | Senja V. Compton | 1987-07-21 |
| 4665042 | Catalysts for the conversion of syn gas | Senja V. Compton, Gary V. Goeden, Terry Mazanec | 1987-05-12 |