Inventor
ROYLE JOHN MARK
GB16 patents
⚠️ This page may combine multiple inventors who share the name “ROYLE JOHN MARK”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RADIODETECTION LTD
7 patentsUS6617856B1Sep 9, 2003
Electronic marker locator system and method
RADIODETECTION LTD75 citations97
US7310584B2Dec 18, 2007
Enhanced sonde recognition
RADIODETECTION LTD47 citations92
US6968296B2Nov 22, 2005
Cable detector with decimating filter and filtering method
RADIODETECTION LTD52 citations92
US7994770B2Aug 9, 2011
Transmitter of a system for detecting a buried conductor
RADIODETECTION LTD9 citations83
US7969137B2Jun 28, 2011
System for and method of detecting a buried conductor
RADIODETECTION LTD14 citations83
US7847556B2Dec 7, 2010
Detector for detecting a buried current carrying conductor
RADIODETECTION LTD8 citations83
US7567875B2Jul 28, 2009
Enhanced sonde recognition
RADIODETECTION LTD1 citations51
ROYLE JOHN MARK
4 patentsUS8566043B2Oct 22, 2013
Detector for calculating the distortion of an electromagnetic field produced by a buried current carrying conductor
ROYLE JOHN MARK6 citations71
US8183851B2May 22, 2012
Detector for calculating a depth of a buried conductor
ROYLE JOHN MARK6 citations71
US8125210B2Feb 28, 2012
Detector for calculating the depth of a buried conductor
ROYLE JOHN MARK3 citations61
US8058874B2Nov 15, 2011
System for and method of detecting a buried conductor
ROYLE JOHN MARK5 citations61
METROTECH CORP
4 patentsUS10833901B2Nov 10, 2020
Signal select in underground line location
METROTECH CORP1 citations57
US9473203B2Oct 18, 2016
Signal select in underground line location
METROTECH CORP2 citations57
US10310130B2Jun 4, 2019
Cable detection apparatus with a comb filter
METROTECH CORP0 citations48
US10338263B2Jul 2, 2019
Signal processing for a cable locating instrument
METROTECH CORP0 citations40