Petherick; Stephen John
Patent Applications and Registrations
Patent applications and USPTO patent grants for Petherick; Stephen John.The latest application filed is for "underground line locator system with real time kinematic and global satellite positioning".
- Petherick; Stephen John - Santa Clara CA
- Petherick; Stephen John - Exeter GB
| Patent | Date |
|---|---|
| Underground Line Locator System With Real Time Kinematic And Global Satellite Positioning App 20200371253 - Regini; Andrzej Zbigniew ; et al. | 2020-11-26 |
| Signal select in underground line location Grant 10,833,901 - Petherick , et al. November 10, 2 | 2020-11-10 |
| System and method for locating a marker using a locator with multiple transmitters Grant 10,768,330 - Petherick Sep | 2020-09-08 |
| Signal processing for a cable locating instrument Grant 10,338,263 - Royle , et al. | 2019-07-02 |
| Signal Select In Underground Line Location App 20170099168 - PETHERICK; STEPHEN JOHN ; et al. | 2017-04-06 |
| System And Method For Locating A Marker Using A Locator With Multiple Transmitters App 20170023692 - PETHERICK; Stephen John | 2017-01-26 |
| Signal Processing For A Cable Locating Instrument App 20170010381 - Royle; John Mark ; et al. | 2017-01-12 |
| Signal select in underground line location Grant 9,473,203 - Petherick , et al. October 18, 2 | 2016-10-18 |
| Signal Select In Underground Line Location App 20130287125 - Petherick; Stephen John ; et al. | 2013-10-31 |
| Pipeline mapping and interrupter therefor Grant 6,954,071 - Flatt , et al. October 11, 2 | 2005-10-11 |
| Pipeline mapping and interrupter therefor App 20040004479 - Flatt, David William ; et al. | 2004-01-08 |
| Pipeline mapping and interrupter therefor Grant 6,617,855 - Flatt , et al. September 9, 2 | 2003-09-09 |
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