Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11446602 | Process for removal of sulfur dioxide and ammonia from a vent gas stream | Ronald Shafer | 2022-09-20 |
| 8912001 | Process for high concentration cation exchanges metathesis | Marcus Rajchel | 2014-12-16 |
| 8912002 | Process for high concentration cation exchange metathesis | Marcus Rajchel | 2014-12-16 |
| 8491798 | Eliminating hydrogen sulfide from liquid ammonia | Mark Anderson | 2013-07-23 |
| 7842107 | Method and apparatus for thermally upgrading carbonaceous materials | Robert F. Hogsett, Philippus J. Meyer, Michael Schlegel, Sheldon Schultz | 2010-11-30 |
| 7655211 | Process for producing ammonium thiosulfate | Mark Anderson, Ronald Shafer | 2010-02-02 |
| 7575732 | Process for treating a gas stream | Mark Anderson, Ronald Shafer | 2009-08-18 |
| 7390470 | Process for treating a gas stream | Mark Anderson, Ronald Shafer | 2008-06-24 |
| 7198655 | Method and apparatus for thermally upgrading carbonaceous materials | Robert F. Hogsett, Philippus J. Meyer, Michael Schlegel, Sheldon Schultz | 2007-04-03 |
| 7003871 | Solder paste stencil manufacturing system | — | 2006-02-28 |
| 6649136 | Method of cyanide salt production | Marcus Rajchel | 2003-11-18 |