Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11474262 | Underground line locator system with real time kinematic and global satellite positioning | Andrzej Zbigniew Regini, William K. Moore | 2022-10-18 |
| 10833901 | Signal select in underground line location | George Mainescu, Ion Dracea, Razvan Gabriel Stefanoiu, John Mark Royle | 2020-11-10 |
| 10768330 | System and method for locating a marker using a locator with multiple transmitters | — | 2020-09-08 |
| 10338263 | Signal processing for a cable locating instrument | John Mark Royle | 2019-07-02 |
| 9473203 | Signal select in underground line location | George Mainescu, Ion Dracea, Razvan Gabriel Stefanoiu, John Mark Royle | 2016-10-18 |
| 6954071 | Pipeline mapping and interrupter therefor | David William Flatt, Robert Ashworth Worsely | 2005-10-11 |
| 6617855 | Pipeline mapping and interrupter therefor | David William Flatt, Robert Ashworth Worsely | 2003-09-09 |