Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12161228 | Methods for airbed pump calibrations and pressure measurements | David Delory Driscoll, JR. | 2024-12-10 |
| 10849436 | Airbed pump calibration and pressure measurement | David Delory Driscoll, JR., Susan Marie Hrobar, John Joseph Riley | 2020-12-01 |
| 9913547 | Airbed pump calibration and pressure measurement | David Delory Driscoll, JR., Susan Marie Hrobar, John Joseph Riley | 2018-03-13 |
| 8807475 | Dispenser with low-material sensing system | Sigurdur S. Witt | 2014-08-19 |
| 8408487 | Rolled material dispenser with energy harvesting | Jeffrey E. Rodrian | 2013-04-02 |
| 7963475 | Method and apparatus for controlling a dispenser and detecting a user | — | 2011-06-21 |
| 7594622 | Method and apparatus for controlling a dispenser to conserve towel dispensed therefrom | Sigurdur S. Witt | 2009-09-29 |
| 7296765 | Automatic dispensers | — | 2007-11-20 |
| 7084592 | Method and apparatus for controlling a DC motor by counting current pulses | — | 2006-08-01 |
| 7040566 | Dispenser with material-recognition apparatus and material-recognition method | Lawrence R. Hansen, Daniel C. Kananen, Alan P. Paal, Robert T. Buczkiewicz | 2006-05-09 |
| 6546344 | Magnetic anomaly sensor system | Donald R. Janke | 2003-04-08 |
| 5450328 | System for measuring line to ground impedance | Donald R. Janke | 1995-09-12 |
| 5448491 | Monitor for an ungrounded system | Donald R. Janke | 1995-09-05 |
| 5446682 | System for calibrating a line isolation monitor | Donald R. Janke | 1995-08-29 |
| 5294916 | Water treatment controller for an evaporative condenser | Michael Bolton, Donald R. Janke | 1994-03-15 |
| 5152252 | Water treatment control system for a boiler | Michael Bolton, Donald R. Janke | 1992-10-06 |
| 4455610 | Self-contained estrous detection tag | — | 1984-06-19 |
| 4247758 | Animal identification and estrus detection system | — | 1981-01-27 |
| 4215410 | Solar tracker | Jerome H. Weslow | 1980-07-29 |