Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12287283 | Linearized optical sensor calibration for measuring calcium | Hui Li, Bingzhi Chen | 2025-04-29 |
| 12187616 | Methods and systems for producing an enhanced surface area biochar product | Joseph Regnery, Joel Thornton, Matthew Newman | 2025-01-07 |
| 11976955 | Portable fluid level monitoring device and method | Ashish Agarwal, William A. Von Drasek, Divigar Lakshmanan | 2024-05-07 |
| 11885747 | Modular optical sensor | Stephen J. Hinterlong, David Alan Ambrose | 2024-01-30 |
| 11731877 | Methods and systems for producing an enhanced surface area biochar product | Joseph Regnery, Joel Thornton, Matt Newman | 2023-08-22 |
| 11661559 | Universal feeder with clamshell transfer screw | Renus Kelfkens, Joseph Mikhail, Matthew Newman | 2023-05-30 |
| 11662314 | System and method of inline deposit detection in process fluid | Kun Xiong, Xuejun Wang, William A. Von Drasek | 2023-05-30 |
| 11639478 | Method of elimination of poly- and perfluoroalkyl substances (PFAS) in a wastewater biosolids gasification process using a thermal oxidizer and hydrated lime injection | Matthew Newman, Joel Thornton, Renus Kelfkens, Ron Hudson, Mark K. Robertson | 2023-05-02 |
| 11414322 | Methods and systems for producing an enhanced surface area biochar product | Joseph Regnery, Joel Thornton, Matt Newman | 2022-08-16 |
| 11339337 | Elimination of poly- and perfluoro alkyl substances (PFAS) in a wastewater biosolids gasification process using a thermal oxidizer and hydrated lime injection | Matthew Newman, Joel Thornton, Renus Kelfkens, Ron Hudson, Mark K. Robertson | 2022-05-24 |
| 11279894 | Universal feeder for gasification reactors | Renus Kelfkens | 2022-03-22 |
| 11268031 | Direct biochar cooling methods and systems | Joseph Regnery, Joel Thornton, Matt Newman | 2022-03-08 |
| 11268039 | Direct biochar cooling methods and systems | Joseph Regnery, Joel Thornton, Matt Newman | 2022-03-08 |
| 11268030 | Direct biochar cooling methods and systems | Joseph Regnery, Joel Thornton, Matt Newman | 2022-03-08 |
| 11268029 | Direct biochar cooling methods and systems | Joseph Regnery, Joel Thornton, Matt Newman | 2022-03-08 |
| 11017886 | Health information exchange system and method | Jeffrey C. Chang | 2021-05-25 |
| 10738249 | Universal feeder for gasification reactors | Renus Kelfkens | 2020-08-11 |
| 10696913 | Gasification reactor with pipe distributor | Renus Kelfkens, Paul Cairney, Gerald M. Cox, William P. Jepson, Douglas R. Bull +1 more | 2020-06-30 |
| 10662386 | Method for gasifying feedstock with high yield production of biochar | Renus Kelfkens, Matthew Newman, Deon John Potgieter, Billy Freeman Hopper, Jeffrey S. Brown +1 more | 2020-05-26 |
| 10481127 | Apparatus for, system for and methods of maintaining sensor accuracy | Kun Xiong, William A. Von Drasek | 2019-11-19 |
| 9810676 | Apparatus for, system for and methods of maintaining sensor accuracy | Kun Xiong | 2017-11-07 |
| 9772303 | Apparatus for, system for and methods of maintaining sensor accuracy | Kun Xiong, William A. Von Drasek | 2017-09-26 |