Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11747047 | Hot water tank with thermal mixing valve | Ronald Shaffer, Samuel CHRISANT, Robert W. Hyde | 2023-09-05 |
| 11708285 | Scale reduction cartridge system | — | 2023-07-25 |
| 11293668 | Hot water tank with thermal mixing valve | Ronald Shaffer, Samuel CHRISANT, Robert W. Hyde | 2022-04-05 |
| 7533866 | Fluid flow body | David Kerg | 2009-05-19 |
| 7364132 | Sanitary diaphragm valve | David Kerg | 2008-04-29 |
| 6883780 | Sanitary diaphragm valve | George A. Carlson | 2005-04-26 |
| 6394417 | Sanitary diaphragm valve | David Kerg | 2002-05-28 |
| 5549134 | Diaphragm valve | Marc Baril | 1996-08-27 |
| 4973609 | Porous fluoropolymer alloy and process of manufacture | — | 1990-11-27 |
| 4930538 | Compact manifold valve | — | 1990-06-05 |
| 4889626 | Filter cartridge having a tunable asymmetric fluoropolymer alloy filter membrane | — | 1989-12-26 |
| 4854266 | Cross-flow diffusion furnace | Morris Simson, John H. Fabricius, Arthur Waugh, Robert F. Sarkozy, Chiu K. S. Lai | 1989-08-08 |