Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9862619 | System for automatic water discharge management | Jeffrey J. Hellenbrand, Jill E. McDonald, John P. Fetzer | 2018-01-09 |
| 9346689 | Method of water discharge management | Jeffrey J. Hellenbrand, Jill E. McDonald, John P. Fetzer | 2016-05-24 |
| 7638063 | Methods for replenishing a charge of oxidizing gas within an oxidation tank | Paul A. Beres, Kevin A. Hellenbrand, William M. Kavey, Daniel A. Klein | 2009-12-29 |
| 7491321 | Oxidation tank control valve assembly and systems and methods for replenishing a charge of oxygen-containing gas within an oxidation tank | Paul A. Beres, Kevin A. Hellenbrand, William M. Kavey, Daniel A. Klein | 2009-02-17 |
| 7156995 | Aeration tank control valve system | Alan G. Mast, Daniel A. Klein, Don Vaughan, Jerry Miller | 2007-01-02 |
| 4901330 | Optically pumped laser | Thomas Wolfram, Bruce A. Vojak, Robert D. Burnham | 1990-02-13 |
| 4526774 | Separation of hydrogen sulfide from gaseous and non-aqueous liquid streams | Davida W. Kalina | 1985-07-02 |
| 4362669 | Uranyl compounds employing a strong base | George M. Kramer, Donald M. Cox, Martin B. Dines | 1982-12-07 |
| 4321116 | Isotope separation process | Donald M. Cox | 1982-03-23 |
| 4267157 | Process of preparing metal phosphorus trisulfides | John J. Steger | 1981-05-12 |