Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7655053 | Process for sodium carbonate crystals from solutions | — | 2010-02-02 |
| 6022385 | Process for the manufacture of sodium carbonate crystals from minerals or solutions | — | 2000-02-08 |
| 5609765 | Steam stripping method for the softening of water | — | 1997-03-11 |
| 5512167 | Backpulse piston assembly for crossflow filters | Lorne C. Gramms, Robert R. Craycraft | 1996-04-30 |
| 5308610 | Odor control composition and method of using same | Robert R. Caycraft, L. C. Gramms, E. P. Caballero | 1994-05-03 |