Issued Patents All Time
Showing 25 most recent of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11426776 | Mechanism for retention of multiple apparatus on plumbing tools | Alex M. Cole | 2022-08-30 |
| 10646906 | Mechanism for retention of multiple apparatus on plumbing tools | Alex M. Cole | 2020-05-12 |
| 10233629 | Cable movement indicator for plumbing tools | Alex M. Cole, Michael J. Rutkowski, Jeffrey Szucs | 2019-03-19 |
| 10156252 | Cable couplings for drain cleaning tools | Michael J. Rutkowski, Hugh Morris | 2018-12-18 |
| 10071401 | Feed control device for plumbing tools | Michael J. Rutkowski, Alex M. Cole, Larry F. Babb | 2018-09-11 |
| D818949 | Battery | Michael J. Rutkowski | 2018-05-29 |
| 9950372 | Transportable beveling tool | Brandon Moherman, Michael J. Rutkowski, Harish P. Kulkarni, Robert Skrjanc, James E. Hamm | 2018-04-24 |
| 9670656 | Quick release mechanisms for plumbing tools | Michael J. Rutkowski | 2017-06-06 |
| 9399910 | Inspection system and method for use in underground boring operations | Josh Sooy, Michael J. Rutkowski | 2016-07-26 |
| D745230 | Cable coupling | Michael J. Rutkowski, Hugh Morris | 2015-12-08 |
| D744558 | Frame | Michael J. Rutkowski | 2015-12-01 |
| 9080599 | Cable coupling | Michael J. Rutkowski, Hugh Morris | 2015-07-14 |
| 8826483 | Feed control lock for hand operated drain cleaner | Michael J. Rutkowski, Paul W. Gress | 2014-09-09 |
| D699604 | Utility line locator and mounting arrangement for GPS device | Michael J. Rutkowski | 2014-02-18 |
| D668566 | Display housing for a handheld inspection device | — | 2012-10-09 |
| D668561 | Housing for handheld thermometer | Christopher L. Lane, Sarah A. Golish | 2012-10-09 |
| D668567 | Display housing for handheld inspection device | Edward A. McKiernan, Sarah A. Golish, Christopher L. Lane | 2012-10-09 |
| D668568 | Housing for handheld gas detector | — | 2012-10-09 |
| D629271 | Power unit | Paul W. Gress | 2010-12-21 |
| 7685669 | Feed control device for plumbing tools | Michael J. Rutkowski | 2010-03-30 |
| D595911 | Frame for a drain cleaning machine | Michael J. Rutkowski, Larry F. Babb | 2009-07-07 |
| 7478451 | Feed control device for plumbing tools | Michael J. Rutkowski | 2009-01-20 |
| D582108 | Hand held drain cleaning apparatus | Clifford Duff, Larry F. Babb | 2008-12-02 |
| D579612 | Frame for a drain cleaning machine | Michael J. Rutkowski, Larry F. Babb | 2008-10-28 |
| D570558 | Drain cleaner | Michael J. Rutkowski | 2008-06-03 |