Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10407332 | Biological wastewater treatment system containing a salt-rejecting membrane filter and recycle conduit | James E. Bolton, Lyle E. Kirman, David F. Rath, Adam Arnold, Glenn Graff +1 more | 2019-09-10 |
| 9809479 | Method and apparatus for residential water recycling | James E. Bolton, Lyle E. Kirman, David F. Rath, Adam Arnold, Glenn Graff +1 more | 2017-11-07 |
| 4889623 | Brining system | — | 1989-12-26 |
| 4337153 | Water softening apparatus | — | 1982-06-29 |
| 4336134 | Float-actuated level control valve | — | 1982-06-22 |
| 4298025 | Control valve for water softeners | Keith E. Brown | 1981-11-03 |