Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8233782 | Grouped exposed metal heaters | Harold J. Vinegar, William George Coit, Peter Terry Griffin, Paul Taylor Hamilton, Chia-Fu Hsu +2 more | 2012-07-31 |
| 7831134 | Grouped exposed metal heaters | Harold J. Vinegar, William George Coit, Peter Terry Griffin, Paul Taylor Hamilton, Chia-Fu Hsu +2 more | 2010-11-09 |
| 6012522 | Deformable well screen | Martin Donnelly, Jacobus Hendrikus Petrus Maria Emmen, Cornelis Jan Kenter, Wilhelmus Christianus Maria Lohbeck, Paulus Hermanus Franciscus Reijnen +1 more | 2000-01-11 |
| 5901789 | Deformable well screen | Martin Donnelly, Jacobus Hendrikus Petrus Maria Emmen, Cornelis Jan Kenter, Wilhelmus Christianus Maria Lohbeck, Paulus Hermanus Franciscus Reijnen +1 more | 1999-05-11 |