Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11193073 | All-steam gasification for supercritical CO2 cycle system | John Parkes, Douglas M. Todd | 2021-12-07 |
| 11193074 | All-steam gasification with carbon capture | John Parkes, Douglas M. Todd | 2021-12-07 |
| 11084721 | Method and apparatus for adiabatic calcium looping | John Parkes, Douglas M. Todd | 2021-08-10 |
| 10570348 | All-steam gasification for supercritical CO2 power cycle system | John Parkes, Douglas M. Todd | 2020-02-25 |
| 10443005 | All-steam gasification with carbon capture | John Parkes, Douglas M. Todd | 2019-10-15 |
| 9873840 | Integrated gasification combined cycle plant with char preparation system | — | 2018-01-23 |
| 5997220 | Vertical-shaft airlock | — | 1999-12-07 |
| 5655853 | Vertical-shaft airlock | — | 1997-08-12 |
| 5122346 | Distributor for multistage fluidized beds | — | 1992-06-16 |
| 4499857 | Fluidized bed fuel burning | — | 1985-02-19 |
| 4303023 | Fluidized bed fuel burning | Stephen P. Perkins | 1981-12-01 |
| 4279205 | Storage | Stephen P. Perkins | 1981-07-21 |
| 4279207 | Fluid bed combustion | — | 1981-07-21 |
| 4253409 | Coal burning arrangement | — | 1981-03-03 |