Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6644079 | Hairpin bender with leg length measurement and adjustment feature | Galen B. Harman, Derrick S. Small | 2003-11-11 |
| 6176006 | Rod lock and unlock mechanism for a mechanical tube expander | Derrick S. Small, Rocky Lee Smith | 2001-01-23 |
| 5379624 | Slaved tube length control for hairpin bender | Galen B. Harman | 1995-01-10 |
| 5353496 | Mechanical tube expander with four axis control | Galen B. Harman, Derrick S. Small | 1994-10-11 |
| 5233853 | Stretch straightening hairpin bender | — | 1993-08-10 |
| 5220722 | Quick height change adjustment for tube expander | — | 1993-06-22 |
| 5003691 | Mechanical tube expander with hairpin bend support | Lawrence A. Franks | 1991-04-02 |
| 4980966 | Rod holder for the assembly of heat exchangers | Lawrence A. Franks | 1991-01-01 |