Issued Patents All Time
Showing 1–25 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12281747 | Bipod support for handheld drain cleaning machine | Emily Jo SPINELLI, Kaylin Jacobsen, Sarah MICHAUD, Jeffrey Szucs, Alex M. Cole +2 more | 2025-04-22 |
| 11815152 | Motor dampener and drive train for plumbing tools | Alex M. Cole | 2023-11-14 |
| 10851868 | Motor dampener and drive train for plumbing tools | Alex M. Cole | 2020-12-01 |
| 10646905 | Modular guide hose system for plumbing tools | Alex M. Cole, Josh Sooy | 2020-05-12 |
| 10508431 | Clear drum covers for plumbing tools | Alex M. Cole | 2019-12-17 |
| 10233629 | Cable movement indicator for plumbing tools | Alex M. Cole, Jeffrey Szucs, Jon R. Dunkin | 2019-03-19 |
| 10156252 | Cable couplings for drain cleaning tools | Jon R. Dunkin, Hugh Morris | 2018-12-18 |
| 10105834 | Adapters for chain pipe vises | James E. Hamm, Harald Krondorfer, Jeffrey Szucs | 2018-10-23 |
| 10071401 | Feed control device for plumbing tools | Jon R. Dunkin, Alex M. Cole, Larry F. Babb | 2018-09-11 |
| D818949 | Battery | Jon R. Dunkin | 2018-05-29 |
| 9950372 | Transportable beveling tool | Brandon Moherman, Harish P. Kulkarni, Jon R. Dunkin, Robert Skrjanc, James E. Hamm | 2018-04-24 |
| 9670656 | Quick release mechanisms for plumbing tools | Jon R. Dunkin | 2017-06-06 |
| 9399910 | Inspection system and method for use in underground boring operations | Josh Sooy, Jon R. Dunkin | 2016-07-26 |
| D745230 | Cable coupling | Jon R. Dunkin, Hugh Morris | 2015-12-08 |
| D744558 | Frame | Jon R. Dunkin | 2015-12-01 |
| 9080599 | Cable coupling | Jon R. Dunkin, Hugh Morris | 2015-07-14 |
| 8826483 | Feed control lock for hand operated drain cleaner | Paul W. Gress, Jon R. Dunkin | 2014-09-09 |
| D699604 | Utility line locator and mounting arrangement for GPS device | Jon R. Dunkin | 2014-02-18 |
| 8413347 | Drain cleaning apparatus with electronic cable monitoring system | Paul W. Gress, Philip Eisermann, Mark S. Olsson, Ray Merewether, Jeffrey A. Prsha | 2013-04-09 |
| 8176593 | Drain cleaning apparatus with electronic cable monitoring system | Paul W. Gress, Philip Eisermann, Mark S. Olsson, Ray Merewether, Jeffrey A. Prsha | 2012-05-15 |
| 8060968 | Variable belt tensioner for drain cleaning devices | Larry F. Babb | 2011-11-22 |
| 8046862 | Drain cleaning apparatus with electronic cable counter | Philip Eisermann | 2011-11-01 |
| 7685669 | Feed control device for plumbing tools | Jon R. Dunkin | 2010-03-30 |
| D595911 | Frame for a drain cleaning machine | Jon R. Dunkin, Larry F. Babb | 2009-07-07 |
| 7478451 | Feed control device for plumbing tools | Jon R. Dunkin | 2009-01-20 |