Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10420970 | Controlled discharge gas vent | David J. Burkhart, Jeffrey T. Kochelek, Thorstein Holt | 2019-09-24 |
| 10077860 | Inerting gas vent assembly, inerting system using the gas vent assembly and method of inerting a fire protection sprinkler system | Jeffrey T. Kochelek, Adam H. Hilton | 2018-09-18 |
| 9610466 | Controlled discharge gas vent | David J. Burkhart, Jeffrey T. Kochelek, Thorstein Holt | 2017-04-04 |
| 9186533 | Fire protection systems having reduced corrosion | Jeffrey T. Kochelek, David J. Burkhart, Thorstein Holt | 2015-11-17 |
| 9144700 | Fire protection systems having reduced corrosion | David J. Burkhart, Jeffrey T. Kochelek, Thorstein Holt | 2015-09-29 |
| 8720591 | Controlled discharge gas vent | David J. Burkhart, Jeffrey T. Kochelek, Thorstein Holt | 2014-05-13 |
| 6123959 | Aqueous composition comprising active ingredients for the de-pigmentation of the skin | Abeysinghe A. Padmapriya, Ernst E. Teichmuller, Gabriele Blume | 2000-09-26 |
| 6083976 | Method of synthesis of derivatives of aloesin | Abeysinghe A. Padmapriya | 2000-07-04 |