Issued Patents All Time
Showing 25 most recent of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D913612 | Disc scrub brush driver | — | 2021-03-16 |
| D880266 | Power brush/broom driver hub assembly | — | 2020-04-07 |
| 9924844 | Floor scrubber dry sweep apparatus | Barry M. Person, Kevin P. Sheehan | 2018-03-27 |
| 9649002 | High dump floor scrubber sweeper | Jeffrey W. Pollack | 2017-05-16 |
| 6357070 | Multi-function, battery-powered, rider cleaning machine | Daniel C. Venard, Robert J. O'Hara | 2002-03-19 |
| 6073304 | Squeegee adjustment method and apparatus | Robert J. O'Hara | 2000-06-13 |
| 5881417 | Floor cleaning apparatus with contouring broom | — | 1999-03-16 |
| 5802665 | Floor cleaning apparatus with two brooms | Robert J. O'Hara, Timothy A. Strickland | 1998-09-08 |
| 5742975 | Articulated floor scrubber | Robert J. O'Hara | 1998-04-28 |
| D391697 | Articulated floor cleaner | Robert J. O'Hara | 1998-03-03 |
| D382383 | Floor scrubber | Robert J. O'Hara | 1997-08-12 |
| 5630246 | Floor cleaning apparatus with flap having wear indicator | Robert J. O'Hara, Timothy A. Strickland | 1997-05-20 |
| 5628086 | Floor cleaning apparatus with squeegee mounting system | Robert J. O'Hara | 1997-05-13 |
| 5611108 | Floor cleaning apparatus with slidable flap | Timothy A. Strickland, Robert J. O'Hara | 1997-03-18 |
| 5608947 | Floor cleaning apparatus with pre-filter | Timothy A. Strickland, Robert J. O'Hara | 1997-03-11 |
| D376227 | Floor sweeper | Robert J. O'Hara | 1996-12-03 |
| 5555596 | Floor cleaning apparatus | Robert J. O'Hara | 1996-09-17 |
| 5485653 | Floor cleaning apparatus | Robert J. O'Hara, Timothy A. Strickland | 1996-01-23 |
| 5467500 | Steering mechanism for a cleaning vehicle | Robert J. O'Hara | 1995-11-21 |
| 5346034 | Vehicle engine mounting system | Robert J. O'Hara | 1994-09-13 |
| 5265300 | Floor scrubber | Robert J. O'Hara | 1993-11-30 |
| D329311 | Sweeper vehicle | Robert J. O'Hara | 1992-09-08 |
| 5137108 | Vehicle engine mounting system | Robert J. O'Hara | 1992-08-11 |
| 5027464 | Container dumping system | — | 1991-07-02 |
| D291932 | Machine for floor sweeping and scrubbing | Robert J. O'Hara | 1987-09-15 |