Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11239507 | Devices and method for smelterless recycling of lead acid batteries | Brian Dougherty, Michael John King, Robert Lewis Clarke, Michael David Hurwitz | 2022-02-01 |
| 10793957 | Closed loop systems and methods for recycling lead acid batteries | Robert Lewis Clarke, Brian Dougherty | 2020-10-06 |
| 10689769 | Electrodeposited lead composition, methods of production, and uses | Michael John King, Brian Dougherty, Michael David Hurwitz | 2020-06-23 |
| 10665907 | Devices and method for smelterless recycling of lead acid batteries | Robert Lewis Clarke, Michael David Hurwitz, Michael John King, Selwyn Mould | 2020-05-26 |
| 10340561 | Devices and method for smelterless recycling of lead acid batteries | Brian Dougherty, Michael John King, Robert Lewis Clarke, Michael David Hurwitz | 2019-07-02 |
| 9837689 | Method for smelterless recycling of lead acid batteries | Robert Lewis Clarke, Michael David Hurwitz, Michael John King, Selwyn Mould | 2017-12-05 |
| 9672953 | Devices and methods for advanced phase-locked materials | Robert Clarke | 2017-06-06 |
| 6383395 | Water treatment method and apparatus | Richard Clarke, Roderick Murdock, Clive Butler, Sam Mohanta | 2002-05-07 |
| 5865964 | Apparatus for stripping ions from concrete and soil | Robert Lewis Clarke | 1999-02-02 |
| 5846393 | Electrochemically-aided biodigestion of organic materials | Robert Lewis Clarke, Reinout Lageman, Wieberen Pool | 1998-12-08 |