Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9127541 | Heater and method for recovering hydrocarbons from underground deposits | Alan K. Burnham, James R. McConaghy, Roger L. Day | 2015-09-08 |
| 6051125 | Natural gas-assisted steam electrolyzer | Ai Quoc Pham, Robert S. Glass | 2000-04-18 |
| 5893267 | Catalytic reduction system for oxygen-rich exhaust | George E. Vogtlin, Bernard T. Merritt, Mark Hsiao, Bernardino M. Penetrante | 1999-04-13 |
| 5715677 | Diesel NO.sub.x reduction by plasma-regenerated absorbend beds | George E. Vogtlin | 1998-02-10 |
| 5711147 | Plasma-assisted catalytic reduction system | George E. Vogtlin, Bernard T. Merritt, Mark Hsiao, Bernardino M. Penetrante | 1998-01-27 |
| 4736316 | Minimum time, optimizing and stabilizing multivariable control method and system using a constraint associated control code | — | 1988-04-05 |
| 4722783 | Conditioning of recycle shale in retorting process | Robert P. Sieg, James Richard Ouimette | 1988-02-02 |
| 4521292 | Process for improving quality of pyrolysis oil from oil shales and tar sands | Byron G. Spars, Robert J. Klett | 1985-06-04 |
| 4507195 | Coking contaminated oil shale or tar sand oil on retorted solid fines | Byron G. Spars, Robert J. Klett | 1985-03-26 |
| 4495059 | Steam recycle used as stripping gas in oil shale retorting | — | 1985-01-22 |
| 4456504 | Reactor vessel and process for thermally treating a granular solid | Byron G. Spars, Paul W. Tamm | 1984-06-26 |
| 4456525 | Process for coking contaminated pyrolysis oil on heat transfer material | Byron G. Spars, Robert J. Klett | 1984-06-26 |
| 4448666 | Retorting process for hydrocarbonaceous solids | — | 1984-05-15 |
| 4440623 | Recycle classifier for retorting oil shale | — | 1984-04-03 |
| 4432861 | Feed mixing chute and packed bed for pyrolyzing hydrocarbonaceous solids | — | 1984-02-21 |
| 4392942 | Modified staged turbulent bed process for retorting carbon containing solids | Byron G. Spars | 1983-07-12 |
| 4385983 | Process for retorting oil shale mixtures with added carbonaceous material | Joel W. Rosenthal | 1983-05-31 |
| 4337120 | Baffle system for staged turbulent bed | Byron G. Spars, Paul W. Tamm | 1982-06-29 |
| 4332669 | Oil shale retorting process with raw shale preheat prior to pyrolysis | Byron G. Spars, Paul W. Tamm | 1982-06-01 |