Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10668548 | Systems and devices for performing powered threading operations | Richard M. Kundracik, James E. Hamm, Glen R. Chartier | 2020-06-02 |
| 10239140 | Systems and devices for performing powered threading operations | Richard M. Kundracik, James E. Hamm, Glen R. Chartier | 2019-03-26 |
| 9610676 | Pipe wrench with hook shank spacer | Richard M. Kundracik, Jason J. Boggs, Glen R. Chartier | 2017-04-04 |
| 9138818 | Systems and devices for performing powered threading operations | Richard M. Kundracik, James E. Hamm, Glen R. Chartier | 2015-09-22 |
| 8902302 | Method and apparatus for surveying with a feature location | Raymond E. Garvey, III, Jay P. Gatz | 2014-12-02 |
| 8826483 | Feed control lock for hand operated drain cleaner | Michael J. Rutkowski, Jon R. Dunkin | 2014-09-09 |
| 8613642 | Preparation tools for pipe ends and related methods | Richard R. Bowles, Brian A. Mitchell, Robert M. Baracskai | 2013-12-24 |
| 8413347 | Drain cleaning apparatus with electronic cable monitoring system | Michael J. Rutkowski, Philip Eisermann, Mark S. Olsson, Ray Merewether, Jeffrey A. Prsha | 2013-04-09 |
| 8176593 | Drain cleaning apparatus with electronic cable monitoring system | Michael J. Rutkowski, Philip Eisermann, Mark S. Olsson, Ray Merewether, Jeffrey A. Prsha | 2012-05-15 |
| D657213 | Handle for a pipe wrench | Frederick D. Pond, David L. Machovina | 2012-04-10 |
| D645327 | Base plate | — | 2011-09-20 |
| D629271 | Power unit | Jon R. Dunkin | 2010-12-21 |
| 7578159 | Controlled cycle-life jaw assembly | Richard R. Bowles | 2009-08-25 |
| 7059166 | Method and apparatus for assuring or determining appropriate closure of a crimp assembly | Richard R. Bowles, James E. Hamm | 2006-06-13 |
| 6923037 | Assembly for articulating crimp ring and actuator | Richard R. Bowles, James E. Hamm | 2005-08-02 |
| 5890852 | Thread cutting die and method of manufacturing same | — | 1999-04-06 |
| 5199928 | Threading machine die head | Michael R. Sanner | 1993-04-06 |
| 5087013 | Foldable stand for threading machine | John H. Jansen | 1992-02-11 |
| 5079940 | Roll grooving apparatus | Dale A. Pulver, Colman A. Gulden | 1992-01-14 |
| 5074176 | Threading machine chuck | James C. Redman, Michael R. Sanner | 1991-12-24 |
| 4811639 | Drive bar attachment for threading machines | Paul E. Wesebaum | 1989-03-14 |
| 4787531 | Cover and seal for power driven threading machine oil reservoir | — | 1988-11-29 |
| 4306383 | Grinding wheel with energy absorbing device | — | 1981-12-22 |