Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11860026 | Liquid level gauge with integral electronic display | Herbert G. Ross, Jr. | 2024-01-02 |
| 10684157 | Liquid level gauge with integral electronic display | Herbert G. Ross, Jr. | 2020-06-16 |
| 10175088 | Liquid level gauge with removable indicator assembly | Herbert G. Ross, Jr., Robert E. Hrncir | 2019-01-08 |
| D833310 | Lens cover for liquid level gauge | Herbert G. Ross, Jr., Robert E. Hrncir | 2018-11-13 |
| D832124 | Sensor module for liquid level gauge | Herbert G. Ross, Jr., Robert E. Hrncir | 2018-10-30 |
| 10082416 | Liquid level gauge with integral electronic display | Herbert G. Ross, Jr. | 2018-09-25 |
| 7441569 | Will call wireless tank level monitoring system | — | 2008-10-28 |
| 6748805 | Multiple input level sensor | — | 2004-06-15 |
| 6529017 | Capacitance level measurement circuit and system | Barry Martin, Stephen Tymoszuk | 2003-03-04 |
| 5861811 | Fluid sensor | Lee Paul Dollison | 1999-01-19 |
| 5838241 | Liquid level transmitter | Otis Pierson | 1998-11-17 |
| 5446444 | Capacitive threshold detector test circuit | — | 1995-08-29 |