| 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 |