Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10407332 | Biological wastewater treatment system containing a salt-rejecting membrane filter and recycle conduit | William C. Prior, Lyle E. Kirman, David F. Rath, Adam Arnold, Glenn Graff +1 more | 2019-09-10 |
| 9809479 | Method and apparatus for residential water recycling | William C. Prior, Lyle E. Kirman, David F. Rath, Adam Arnold, Glenn Graff +1 more | 2017-11-07 |
| 8337686 | Electroregeneration apparatus and water treatment method | David F. Rath, Christopher L. Hansen, Lyle E. Kirman, Christopher S. Putka | 2012-12-25 |