Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10954430 | Low-toxicity, low-flammability, environmentally-safe, friction reducer fluid for hydraulic fracturing | Martin J. Plishka, Jerome N. Ludwig, Bernd Erdtmann, Kenneth A. Belmore | 2021-03-23 |
| 9587169 | Low-toxicity, low-flammability, environmentally-safe, friction reducer fluid for hydraulic fracturing | Martin J. Plishka, Jerome H. Ludwig, Bernd Erdtmann, Kenneth A. Belmore | 2017-03-07 |
| 8003588 | Composition and method using same to remove urethane products from a substrate | Kenneth Coleman | 2011-08-23 |
| 7662081 | Apparatus, composition, and methods to remediate an acid and/or liquid spill | — | 2010-02-16 |
| 7531049 | Composition and method using same to remove urethane products from a substrate | Kenneth Coleman | 2009-05-12 |
| 5348679 | Aqueous multipurpose cleaning composition containing sulfites and glycol ethers | Allen C. Hieatt, Jerome H. Ludwig | 1994-09-20 |
| 4417703 | Quick retrieve cord reel | — | 1983-11-29 |