Issued Patents All Time
Showing 26–50 of 70 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE36479 | Aqueous compositions containing nitrogen-containing salts | — | 2000-01-04 |
| 5893883 | Portable stimulation screening device for screening therapeutic effect of electrical stimulation on a patient user during normal activities of the patient user | Nathan A. Torgerson, Jean E. Prather, Curtis D. Kinghorn | 1999-04-13 |
| 5858055 | Water-in-oil emulsion fertilizer compositions | Richard W. Jahnke, Nils O. Pearson | 1999-01-12 |
| 5637557 | Compositions containing derivatives of succinic acylating agent or hydroxyaromatic compounds and methods of using the same | Richard W. Jahnke | 1997-06-10 |
| 5599777 | Methods of using acidizing fluids in wells, and compositions used therein | Richard W. Jahnke | 1997-02-04 |
| 5527491 | Emulsifiers and explosive emulsions containing same | Alan T. Riga | 1996-06-18 |
| 5518517 | Water-in-oil emulsion fertilizer compositions | Richard W. Jahnke, Nils O. Pearson | 1996-05-21 |
| 5512079 | Water-in-oil emulsifiers for slow release fertilizers using tertiary alkanol amines | Richard W. Jahnke, Nils O. Pearson | 1996-04-30 |
| 5422024 | Aqueous functional fluids | Richard J. Vickerman | 1995-06-06 |
| 5407500 | Salt compositions and explosives using same | Richard W. Jahnke, Richard M. Lange, Marvin B. DeTar | 1995-04-18 |
| 5401341 | Cross-linked emulsion explosive composition | Nils O. Pearson | 1995-03-28 |
| 5360458 | Oil-water emulsions | Richard W. Jahnke | 1994-11-01 |
| 5336439 | Salt compositions and concentrates for use in explosive emulsions | Richard W. Jahnke, Richard M. Lange, Marvin B. DeTar | 1994-08-09 |
| 5260268 | Methods of drilling well boreholes and compositions used therein | Richard W. Jahnke | 1993-11-09 |
| 5178786 | Corrosion-inhibiting compositions and functional fluids containing same | Richard W. Jahnke, Theodore Otto Johnson, Jr., Paul E. Adams | 1993-01-12 |
| 5129972 | Emulsifiers and explosive emulsions containing same | Alan T. Riga | 1992-07-14 |
| 5047175 | Salt composition and explosives using same | — | 1991-09-10 |
| 5041598 | Nitrogen- and phosphorus-containing compositions and aqueous systems containing same | — | 1991-08-20 |
| 4919178 | Explosive emulsion | Alan T. Riga | 1990-04-24 |
| 4863534 | Explosive compositions using a combination of emulsifying salts | — | 1989-09-05 |
| 4844756 | Water-in-oil emulsions | — | 1989-07-04 |
| 4840687 | Explosive compositions | John J. Mullay, Joseph A. Sohara | 1989-06-20 |
| 4828633 | Salt compositions for explosives | — | 1989-05-09 |
| 4774351 | Aqueous fluids compositions containing dithiophosphorus/amine salts | — | 1988-09-27 |
| 4772739 | Nitrogen- and phosphorus-containing compositions and aqueous systems containing same | — | 1988-09-20 |