Royle; John Mark

Patent Applications and Registrations

Patent applications and USPTO patent grants for Royle; John Mark.The latest application filed is for "signal select in underground line location".

Company Profile

1.17.16

Royle; John Mark - Exeter GB
ROYLE; John Mark - Santa Clara CA
Royle; John Mark - Devon GB

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Signal select in underground line location Grant 10,833,901 - Petherick , et al. November 10, 2	2020-11-10
Signal processing for a cable locating instrument Grant 10,338,263 - Royle , et al.	2019-07-02
Cable detection apparatus with a comb filter Grant 10,310,130 - Overby , et al.	2019-06-04
Signal Select In Underground Line Location App 20170099168 - PETHERICK; STEPHEN JOHN ; et al.	2017-04-06
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
Cable Detection Apparatus With A Comb Filter App 20150234076 - OVERBY; Johan ; et al.	2015-08-20
Signal Select In Underground Line Location App 20130287125 - Petherick; Stephen John ; et al.	2013-10-31
Detector for calculating the distortion of an electromagnetic field produced by a buried current carrying conductor Grant 8,566,043 - Royle , et al. October 22, 2	2013-10-22
Detector for calculating a depth of a buried conductor Grant 8,183,851 - Royle , et al. May 22, 2	2012-05-22
Detector for calculating the depth of a buried conductor Grant 8,125,210 - Royle , et al. February 28, 2	2012-02-28
System for and method of detecting a buried conductor Grant 8,058,874 - Royle , et al. November 15, 2	2011-11-15
Transmitter of a system for detecting a buried conductor Grant 7,994,770 - Royle , et al. August 9, 2	2011-08-09
System for and method of detecting a buried conductor Grant 7,969,137 - Royle June 28, 2	2011-06-28
Detector for detecting a buried current carrying conductor Grant 7,847,556 - Royle December 7, 2	2010-12-07
Detector for Calculating a Depth of a Buried Conductor App 20100001732 - Royle; John Mark ; et al.	2010-01-07
Detector for Calculating the Distortion of an Electromagnetic Field Produced by a Buried Current Carrying Conductor App 20100004880 - Royle; John Mark ; et al.	2010-01-07
Transmitter of a System for Detecting a Buried Conductor App 20100001731 - Royle; John Mark ; et al.	2010-01-07
System for and Method of Detecting a Buried Conductor App 20100001713 - Royle; John Mark	2010-01-07
Detector for Calculating the Depth of a Buried Conductor App 20100001714 - Royle; John Mark	2010-01-07
System for and Method of Detecting a Buried Conductor App 20100001712 - Royle; John Mark ; et al.	2010-01-07
Enhanced sonde recognition Grant 7,567,875 - Royle July 28, 2	2009-07-28
Detector for detecting a buried current carrying conductor App 20070290672 - Worsley; Robert ; et al.	2007-12-20
Enhanced sonde recognition Grant 7,310,584 - Royle December 18, 2	2007-12-18
Enhanced sonde recognition App 20070084636 - Royle; John Mark	2007-04-19
Enhanced sonde recognition App 20070085698 - Royle; John Mark	2007-04-19
Methods and systems for generating phase-derivative sound Grant 7,184,951 - Royle , et al. February 27, 2	2007-02-27
Detector for detecting a buried current carrying conductor App 20070018632 - Royle; John Mark	2007-01-25
Cable detector with decimating filter and filtering method Grant 6,968,296 - Royle November 22, 2	2005-11-22
Cable detector with decimating filter and filtering method App 20040215426 - Royle, John Mark	2004-10-28
Electronic marker locator system and method Grant 6,617,856 - Royle , et al. September 9, 2	2003-09-09
Methods and systems for generating-phase derivative sound App 20030158729 - Royle, John Mark ; et al.	2003-08-21

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