Issued Patents All Time
Showing 25 most recent of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6752055 | Turret type product receiver/unloader for slugless shear | — | 2004-06-22 |
| 6698322 | Supported shear with reversible drive and method of operating same | — | 2004-03-02 |
| 6688200 | Supported shear with reversible linear drive and in-feed table therefor | — | 2004-02-10 |
| 6352012 | Supported shear with reversible linear drive and in-feed table therefor | Alexander Borzym | 2002-03-05 |
| 6123003 | Automatic feed system for supported shear device and methods of operating same | — | 2000-09-26 |
| 6018859 | Method of forming seamed metal tube | Theodore H. Krengel, Charles A. Willetts, Curtis R. Brown, Edward Wiesenthal, III | 2000-02-01 |
| 5915421 | Method of forming seamed metal tube | Theodore H. Krengel, Charles A. Willetts, Curtis R. Brown, Edward Wiesenthal, III | 1999-06-29 |
| 5860204 | Continuous tube forming and coating | Theodore H. Krengel | 1999-01-19 |
| 5732874 | Method of forming seamed metal tube | Theodore H. Krengel, Charles A. Willetts, Curtis R. Brown, Edward Wiesenthal, III | 1998-03-31 |
| 5651819 | Continuous tube forming and coating | Theodore H. Krengel | 1997-07-29 |
| RE35378 | Method of forming seamed metal tube | Theodore H. Krengel, Charles A. Willetts | 1996-11-19 |
| 5474227 | Method of forming seamed metal tube | Theordore H. Krengel, Charles A. Willettes | 1995-12-12 |
| 5373764 | Conveyor for workstations | — | 1994-12-20 |
| 5347901 | Modular tube cutting apparatus | — | 1994-09-20 |
| 5344062 | Method of forming seamed metal tube | Theodore H. Krengel, Charles A. Willetts | 1994-09-06 |
| 5191822 | Adjustable clamp jaws | — | 1993-03-09 |
| 5157999 | Conveyor for workstations | — | 1992-10-27 |
| 5125306 | Eccentric overload assembly with a decaying force | — | 1992-06-30 |
| 5005692 | Tube feed apparatus | — | 1991-04-09 |
| 5003853 | Cut-off die set | Alexander Borzym | 1991-04-02 |
| 4932297 | Cut-off die set | Alexander Borzym | 1990-06-12 |
| 4909110 | Tube clamping apparatus | — | 1990-03-20 |
| 4903822 | Tube feed apparatus | — | 1990-02-27 |
| 4872384 | Tube cutting apparatus | — | 1989-10-10 |
| 4865300 | Tube handling apparatus | — | 1989-09-12 |