Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10317303 | Tension and torque calibration apparatus | — | 2019-06-11 |
| 9492912 | Hydraulic torque wrench system | — | 2016-11-15 |
| 8499853 | Apparatus and methods for controlling hydraulically powered equipment | — | 2013-08-06 |
| 7062992 | Constant rotation rotary torque multiplier | — | 2006-06-20 |
| 6260443 | Hand wrench with torque augmenting means | — | 2001-07-17 |
| 6148694 | Hand wrench with torque augmenting means | — | 2000-11-21 |
| D422473 | Handle | — | 2000-04-11 |
| 5966818 | Chisel with improved blade | — | 1999-10-19 |
| 5953966 | Hand wrench with torque augmenting means | — | 1999-09-21 |
| D410825 | Stud remover | — | 1999-06-08 |
| 5907983 | Stud remover | — | 1999-06-01 |
| 5871204 | Hand tool with adjustable head | — | 1999-02-16 |
| D386655 | Chisel blade | — | 1997-11-25 |
| D386657 | Chisel | — | 1997-11-25 |
| D381884 | Angled head hammer | — | 1997-08-05 |
| D376088 | Hammer | — | 1996-12-03 |
| D376087 | Hammer with angled head | — | 1996-12-03 |
| D374802 | Nail punch | John Schneider | 1996-10-22 |
| D372179 | Machinist hammer | — | 1996-07-30 |
| D371944 | Drive cap for grounding rod | — | 1996-07-23 |
| D371302 | Dowel punch | — | 1996-07-02 |
| D363239 | Cutting guide protractor | John Schneider | 1995-10-17 |
| 5398574 | Fluid operating tool | — | 1995-03-21 |
| 5369867 | Method for engaging threaded connectors | Peter Koppenhoefer | 1994-12-06 |
| 5357828 | Fluid operated tool | — | 1994-10-25 |