Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10696913 | Gasification reactor with pipe distributor | Renus Kelfkens, Brandon Davis, Paul Cairney, Gerald M. Cox, William P. Jepson +1 more | 2020-06-30 |
| 10611973 | Gasification reactor with discrete reactor vessel and grate and method of gasification | Douglas R. Bull, Paul Cairney, Gerald M. Cox, William P. Jepson | 2020-04-07 |
| 9809769 | Fluidized bed biogasifier and method for gasifying biosolids | Douglas R. Bull, Paul Cairney, Gerald M. Cox, William P. Jepson | 2017-11-07 |
| 9242219 | Fluidized bed biogasifier and method for gasifying biosolids | Douglas R. Bull, Paul Cairney, Gerald M. Cox, William P. Jepson | 2016-01-26 |