Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7942081 | Automatically adjustable power jaw | Anthony B. Jorda, Raul H. Perez, Michael Ernest Rivera | 2011-05-17 |
| 7594858 | Golf swing practice system | — | 2009-09-29 |
| 6935210 | Variable rack adjustment assembly for pipe spinning machines | Raul H. Perez | 2005-08-30 |
| 6829968 | Pipe make/break apparatus with gripping jaws and adjustable pipe spinner with oiling system | Raul H. Perez | 2004-12-14 |
| 6722231 | Pipe make/break apparatus with gripping jaws and adjustable pipe spinner with oiling system | Raul H. Perez | 2004-04-20 |
| 5868045 | Apparatus for making and breaking joints in drill pipe strings | — | 1999-02-09 |
| 5386746 | Apparatus for making and breaking joints in drill pipe strings | — | 1995-02-07 |
| 5060542 | Apparatus and method for making and breaking joints in drill pipe strings | — | 1991-10-29 |
| 4843924 | Compact high-torque apparatus and method for rotating pipe | — | 1989-07-04 |
| 4782627 | Plant feeding and watering method and apparatus | — | 1988-11-08 |
| 4309238 | Adjustable traction wheel tensioning mechanism for an automatic wallboard joint taper | — | 1982-01-05 |
| 4222174 | Method and apparatus for gaging and joining pipe | Ernest D. Hauk, Kenneth J. Carstensen | 1980-09-16 |
| 4185492 | Leak testing apparatus and improved seals therefor | Ernest D. Hauk | 1980-01-29 |