Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10071923 | Addition of aluminum reagents to oxoanion-containing water streams | Nicholas S. Ergang | 2018-09-11 |
| 9920395 | Method for recovering gold from refractory ore | Daniel Child, Walter Gerlach | 2018-03-20 |
| 9683153 | Freeze conditioning agents utilizing crude glycerin and flowback and produced water | Jing Wang, Stephen J. Blubaugh, Walter Gerlach | 2017-06-20 |
| 9389209 | Oxoanion concentration determination using aluminum reagents | Nicholas S. Ergang | 2016-07-12 |
| 9187327 | Phosphoric acid production gypsum filtration flocculant pre-dilution (make down) with post-filtration phosphoric acid | Wayne L. Moss, Michael G. Strominger, Randon Renzello, Thomas A. Faigl, Daniel N.T. Hay | 2015-11-17 |
| 8465667 | Chemical additives to inhibit the air oxidation and spontaneous combustion of coal | Stephen J. Blubaugh | 2013-06-18 |
| 7772009 | Room temperature phosphorescence apparatus and methods | Donald E. Govoni, Michael Fehr | 2010-08-10 |
| 6964691 | Method of preparing a synthetic fuel from coal | Donald E. Govoni | 2005-11-15 |
| 6641624 | Method of preparing a synthetic fuel from coal | Donald E. Govoni | 2003-11-04 |
| 6440689 | Measurement of microbiological activity in an opaque medium | Rodney H. Banks, Nancy L. Casselman, Mita Chattoraj, Michael Fehr, Sasireka S. Ramesh +1 more | 2002-08-27 |
| 6280635 | Autocycle control of cooling water systems | Barbara E. Moriarty, Dennis P. Bakalik, John E. Hoots, Robert W. Shiely | 2001-08-28 |
| 6225430 | Sulfobetaine-containing polymers and their utility as calcium carbonate scale inhibitors | Dodd W. Fong, Charles F. Marth | 2001-05-01 |
| 5858244 | Use of biodegradable polymers in prevention scale build-up | Jiansheng Tang | 1999-01-12 |
| 5788866 | Copolymers formed from polymerization of N,N-diallyl-N-alkyl-N-(sulfoalkyl) ammonium betaine and their utility as calcium carbonate scale inhibitors | Dodd W. Fong, Charles F. Marth | 1998-08-04 |
| 5776875 | Use of biodegradable polymers in preventing scale build-up | Jiansheng Tang | 1998-07-07 |
| 5772893 | Ether diphosphonate scale inhibitors | Peter E. Reed, Michael A. Kamrath, Phillip W. Carter | 1998-06-30 |