Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10340637 | Electrically conductive support surface and related methods | James Kerwin McDowell | 2019-07-02 |
| 9985390 | Electrically groundable support surface and related methods | James Kerwin McDowell | 2018-05-29 |
| 9972942 | Apparatus and methods for insulating an electrically-groundable support surface | Randy Paul Bordelon, Mathew Stephen James Lanigan, James Kerwin McDowell | 2018-05-15 |
| 9790758 | Apparatus and methods for mechanically coupling a sealing system around the opening to cellar formed around a hydrocarbon exploration or production well | Aaron William Dugas, James Kerwin McDowell, Randy Paul Bordelon, Richard L. Edwards | 2017-10-17 |
| 9745815 | Apparatus and methods for sealing around the opening to a cellar formed around a hydrocarbon exploration or production well | Aaron William Dugas, James Kerwin McDowell, Randy Paul Bordelon, Richard L. Edwards | 2017-08-29 |
| 9735510 | Apparatus and methods for electrically grounding at least one mat in a load-supporting surface | James Kerwin McDowell | 2017-08-15 |
| 9368918 | Apparatus and methods for electrically grounding a load-supporting surface | James Kerwin McDowell | 2016-06-14 |
| 9337586 | Apparatus and methods for electrically grounding a load-supporting surface | James Kerwin McDowell | 2016-05-10 |