Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5640736 | Power feed device for hand held drain and sewer cleaner | — | 1997-06-24 |
| 5580225 | Pulsation causing check valve assembly for a plural piston pump system | — | 1996-12-03 |
| 5507062 | Sealing structure on a mechanism for advancing a rotating cylindrical member | — | 1996-04-16 |
| 5379476 | Skid assembly for conduit cleaner | — | 1995-01-10 |
| 5364240 | Fluid pump with pulsing feature | — | 1994-11-15 |
| 5335388 | Cutter assembly for conduit cleaner | — | 1994-08-09 |
| 5333448 | Fluid control nozzle for conduit cleaner | — | 1994-08-02 |
| 5329662 | Manipulator for conduit cleaner | — | 1994-07-19 |
| 5309595 | Drain cleaning apparatus | David Margherio, Donald J. Borelli, Rockwell T. Sloter | 1994-05-10 |
| 5239724 | Mechanism for advancing a rotating cylindrical member | Rockwell T. Sloter | 1993-08-31 |
| 5222270 | Electromagnetic motor brake unit for rotary drain and sewer router | Rockwell T. Sloter | 1993-06-29 |
| 5199129 | Torque monitoring system for rotary drain and sewer cleaning apparatus | Rockwell T. Sloter | 1993-04-06 |
| 5070907 | Pulsating liquid jet apparatus | — | 1991-12-10 |