Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11402850 | Robotic cleaning device with operating speed variation based on environment | Aurle Y. Gagne, Philip Scarim, David M. Knuth, Jr., Philip Hennessy, Anthony T. Bavuso | 2022-08-02 |
| 11253124 | Safety module for a floor cleaning unit | David M. Knuth, Jr., Stephen D. Herr, Angelo Sabatino, Marcel Graf, Andre Baertsch +1 more | 2022-02-22 |
| 11097433 | Long-range sonar | Ralph McCann | 2021-08-24 |
| 10144138 | Long-range sonar | Ralph McCann | 2018-12-04 |
| 10034590 | Cleaning device with single tank recycling system | Stephen D. Herr, Henry L. Hillman, Jr., Victor Chi-Chih Huang, Ralph McCann, Kevin L. Thomas | 2018-07-31 |
| 9895041 | Cleaning device with single tank recycling system | Stephen D. Herr, Henry L. Hillman, Jr., Victor Chi-Chih Huang, Ralph McCann, Kevin L. Thomas | 2018-02-20 |
| 9028617 | Cleaning device with single tank recycling system | Stephen D. Herr, Henry L. Hillman, Jr., Victor Chi-Chih Huang, Ralph McCann, Kevin L. Thomas | 2015-05-12 |