Inventor
PETHERICK STEPHEN JOHN
GB9 patents
⚠️ This page may combine multiple inventors who share the name “PETHERICK STEPHEN JOHN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
METROTECH CORP
7 patentsUS10768330B2Sep 8, 2020
System and method for locating a marker using a locator with multiple transmitters
METROTECH CORP2 citations70
US12455388B2Oct 28, 2025
Underground line locator system with real time kinematic and global satellite positioning
METROTECH CORP0 citations59
US11474262B2Oct 18, 2022
Underground line locator system with real time kinematic and global satellite positioning
METROTECH CORP0 citations59
US10833901B2Nov 10, 2020
Signal select in underground line location
METROTECH CORP1 citations57
US9473203B2Oct 18, 2016
Signal select in underground line location
METROTECH CORP2 citations57
US12537560B2Jan 27, 2026
Data encoding in a low frequency magnetic field
METROTECH CORP0 citations49
US10338263B2Jul 2, 2019
Signal processing for a cable locating instrument
METROTECH CORP0 citations40