Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11067370 | Multi-piece cartridge casing and method of making | Jason W. Imhoff, Thomas J. Burczynski, Robert Grove | 2021-07-20 |
| 9452942 | Water treatment system | Jerome P. Kovach, Stuart Park, Francis A. Red, James W. Kewley, George Jordan +2 more | 2016-09-27 |
| 7182858 | Multiple barrier filter apparatus | Paul Peterson, Stuart Park, Ron Kindel, Eric Sklar, John W. Miller +1 more | 2007-02-27 |
| RE34748 | Cryogenic cooling apparatus | — | 1994-10-04 |
| 5321595 | Double bulb mercury vapor lamp apparatus | Lester B. Jacobi, Arthur B. Jacobi, Daniel E. Cunningham, James B. Woodsmall | 1994-06-14 |
| 5181386 | Cryogenic cooling apparatus | — | 1993-01-26 |
| 5069779 | Water treatment system | Lyle E. Kirman | 1991-12-03 |
| 4804465 | Water treatment apparatus | — | 1989-02-14 |
| 4764280 | Water softening apparatus | Kenneth C. Seufer, Jr., Jimmy D. Buth | 1988-08-16 |
| 4693814 | Water treatment apparatus | — | 1987-09-15 |
| 4427549 | Deionization method and apparatus | Jimmy D. Buth | 1984-01-24 |
| 4298025 | Control valve for water softeners | William C. Prior | 1981-11-03 |