Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9408511 | Pick-up head system having a horizontal sealed debris door for a mobile sweeping vehicle | — | 2016-08-09 |
| 9340936 | Utility type surface cleaning vehicle | — | 2016-05-17 |
| 9322140 | Apparatus for use as part of a surface cleaning vehicle and for use as part of a sander-salter vehicle | — | 2016-04-26 |
| 9215958 | Pick-up head system | — | 2015-12-22 |
| 8887351 | Sweeping broom apparatus having a surface tracking air blast nozzle | — | 2014-11-18 |
| 8108964 | Sealed pick-up head for a mobile sweeper | — | 2012-02-07 |
| 8082625 | Pick-up head having housed gutter brooms for a mobile sweeping vehicle | — | 2011-12-27 |
| 6588058 | Large area surface cleaning tool | — | 2003-07-08 |
| 6584640 | Large area surface cleaning tool for suctioning both dust and debris | — | 2003-07-01 |
| 6263540 | Compact utility type surface cleaning vehicle | — | 2001-07-24 |
| 6256827 | Utility type surface cleaning vehicle having improved gutter broom placement | — | 2001-07-10 |
| 6195836 | Mechanical surface cleaning vehicle for fine particulate removal | — | 2001-03-06 |
| 6195837 | Debris suctioning and separating apparatus for use in a surface sweeping vehicle having a mechanical debris elevator | — | 2001-03-06 |
| 6154911 | Debris lifting apparatus for use in a surface sweeping vehicle | — | 2000-12-05 |
| 6154922 | Self-propelled factory floor cleaning vehicle | — | 2000-12-05 |
| 6122797 | Debris suctioning and separating apparatus for use in a surface cleaning vehicle having a recirculating type debris suctioning system | — | 2000-09-26 |
| 6073720 | Single engine street cleaning vehicle | — | 2000-06-13 |
| 5940919 | Drag shoe for use in a street sweeping vehicle | — | 1999-08-24 |
| 4768707 | Humidifier for convection baseboard heater | — | 1988-09-06 |