Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9009906 | Motorized drain cleaning machine | Alfred P. Horning | 2015-04-21 |
| 8615837 | Motorized drain cleaning machine with speed controller | Alfred P. Horning | 2013-12-31 |
| 7891038 | Sewer cleaning machine | — | 2011-02-22 |
| 7757332 | Sewer cleaning machine | — | 2010-07-20 |
| 7222383 | Torque limiting drive pulley for a belt driven drain cleaning machine | — | 2007-05-29 |
| 5875508 | Hydrostatic sewer cleaning machine | — | 1999-03-02 |
| 4887929 | Cable coupler | — | 1989-12-19 |