Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6032744 | Universal pipe and tubing injection apparatus and method | Philip Burge, Peter Fontana, Friedhelm Makohl | 2000-03-07 |
| 5875850 | Universal pipe and tubing injection apparatus and method | Philip Burge, Peter Fontana, Friedhelm Makohl | 1999-03-02 |
| 5850874 | Drilling system with electrically controlled tubing injection system | Philip Burge, Peter Fontana, Friedhelm Makhol | 1998-12-22 |
| 5823267 | Universal pipe and tubing injection apparatus and method | Philip Burge, Peter Fontana, Friedhelm Makohl | 1998-10-20 |
| 5738173 | Universal pipe and tubing injection apparatus and method | Philip Burge, Peter Fontana, Friedhelm Makohl | 1998-04-14 |