John Mark Royle

Person

Devon, GB

People

Patents Grantslast 30 patents

Information Patent Grant
Signal select in underground line location
- Patent number 10,833,901
- Issue date Nov 10, 2020
- Metrotech Corporation
- Stephen John Petherick
- G01 - MEASURING TESTING
Information Patent Grant
Signal processing for a cable locating instrument
- Patent number 10,338,263
- Issue date Jul 2, 2019
- Metrotech Corporation
- John Mark Royle
- G01 - MEASURING TESTING
Information Patent Grant
Cable detection apparatus with a comb filter
- Patent number 10,310,130
- Issue date Jun 4, 2019
- Metrotech Corporation
- Johan Overby
- G01 - MEASURING TESTING
Information Patent Grant
Signal select in underground line location
- Patent number 9,473,203
- Issue date Oct 18, 2016
- Metrotech Corporation
- Stephen John Petherick
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Detector for calculating the distortion of an electromagnetic field...
- Patent number 8,566,043
- Issue date Oct 22, 2013
- Radiodetection Limited
- John Mark Royle
- G01 - MEASURING TESTING
Information Patent Grant
Detector for calculating a depth of a buried conductor
- Patent number 8,183,851
- Issue date May 22, 2012
- Radiodetection
- John Mark Royle
- G01 - MEASURING TESTING
Information Patent Grant
Detector for calculating the depth of a buried conductor
- Patent number 8,125,210
- Issue date Feb 28, 2012
- Radiodetection Limited
- John Mark Royle
- G01 - MEASURING TESTING
Information Patent Grant
System for and method of detecting a buried conductor
- Patent number 8,058,874
- Issue date Nov 15, 2011
- Radiodetection Limited
- John Mark Royle
- G01 - MEASURING TESTING
Information Patent Grant
Transmitter of a system for detecting a buried conductor
- Patent number 7,994,770
- Issue date Aug 9, 2011
- Radiodetection Limited
- John Mark Royle
- G01 - MEASURING TESTING
Information Patent Grant
System for and method of detecting a buried conductor
- Patent number 7,969,137
- Issue date Jun 28, 2011
- Radiodetection Limited
- John Mark Royle
- G01 - MEASURING TESTING
Information Patent Grant
Detector for detecting a buried current carrying conductor
- Patent number 7,847,556
- Issue date Dec 7, 2010
- Radiodetection Limited
- John Mark Royle
- G01 - MEASURING TESTING
Information Patent Grant
Enhanced sonde recognition
- Patent number 7,567,875
- Issue date Jul 28, 2009
- Radiodetection Limited
- John Mark Royle
- G01 - MEASURING TESTING
Information Patent Grant
Enhanced sonde recognition
- Patent number 7,310,584
- Issue date Dec 18, 2007
- Radiodetection Ltd.
- John Mark Royle
- G01 - MEASURING TESTING
Information Patent Grant
Methods and systems for generating phase-derivative sound
- Patent number 7,184,951
- Issue date Feb 27, 2007
- Radiodetection Limted
- John Mark Royle
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Cable detector with decimating filter and filtering method
- Patent number 6,968,296
- Issue date Nov 22, 2005
- Radiodetection Limited
- John Mark Royle
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Digital phase-quadrature oscillator
- Patent number 6,642,796
- Issue date Nov 4, 2003
- Radiodetection Limited
- John M. Royle
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Electronic marker locator system and method
- Patent number 6,617,856
- Issue date Sep 9, 2003
- Radiodetection Limited
- John Mark Royle
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
SIGNAL SELECT IN UNDERGROUND LINE LOCATION
- Publication number 20170099168
- Publication date Apr 6, 2017
- Metrotech Corporation
- STEPHEN JOHN PETHERICK
- G01 - MEASURING TESTING
Information Patent Application
SIGNAL PROCESSING FOR A CABLE LOCATING INSTRUMENT
- Publication number 20170010381
- Publication date Jan 12, 2017
- Metrotech Corporation
- John Mark Royle
- G01 - MEASURING TESTING
Information Patent Application
SIGNAL SELECT IN UNDERGROUND LINE LOCATION
- Publication number 20130287125
- Publication date Oct 31, 2013
- Vivax-Metrotech
- Stephen John Petherick
- G01 - MEASURING TESTING
Information Patent Application
Detector for Calculating the Distortion of an Electromagnetic Field...
- Publication number 20100004880
- Publication date Jan 7, 2010
- Radiodetection Limited
- John Mark Royle
- G01 - MEASURING TESTING
Information Patent Application
System for and Method of Detecting a Buried Conductor
- Publication number 20100001713
- Publication date Jan 7, 2010
- Radiodetection Limited
- John Mark Royle
- G01 - MEASURING TESTING
Information Patent Application
Detector for Calculating the Depth of a Buried Conductor
- Publication number 20100001714
- Publication date Jan 7, 2010
- Radiodetection Limited
- John Mark Royle
- G01 - MEASURING TESTING
Information Patent Application
Transmitter of a System for Detecting a Buried Conductor
- Publication number 20100001731
- Publication date Jan 7, 2010
- Radiodetection Limited
- John Mark Royle
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
System for and Method of Detecting a Buried Conductor
- Publication number 20100001712
- Publication date Jan 7, 2010
- Radiodetection Limited
- John Mark Royle
- G01 - MEASURING TESTING
Information Patent Application
Detector for Calculating a Depth of a Buried Conductor
- Publication number 20100001732
- Publication date Jan 7, 2010
- Radiodetection Limited
- John Mark Royle
- G01 - MEASURING TESTING
Information Patent Application
Detector for detecting a buried current carrying conductor
- Publication number 20070290672
- Publication date Dec 20, 2007
- Robert Worsley
- G01 - MEASURING TESTING
Information Patent Application
Enhanced sonde recognition
- Publication number 20070085698
- Publication date Apr 19, 2007
- John Mark Royle
- G01 - MEASURING TESTING
Information Patent Application
Enhanced sonde recognition
- Publication number 20070084636
- Publication date Apr 19, 2007
- John Mark Royle
- G01 - MEASURING TESTING
Information Patent Application
Detector for detecting a buried current carrying conductor
- Publication number 20070018632
- Publication date Jan 25, 2007
- John Mark Royle
- G01 - MEASURING TESTING
Information Patent Application
Cable detector with decimating filter and filtering method
- Publication number 20040215426
- Publication date Oct 28, 2004
- John Mark Royle
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
DIGITAL PHASE-QUADRATURE OSCILLATOR
- Publication number 20030155983
- Publication date Aug 21, 2003
- Radiodetection Limited
- John M. Royle
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ELECTRONIC MARKER LOCATOR SYSTEM AND METHOD
- Publication number 20030155922
- Publication date Aug 21, 2003
- Radiodetection Limited
- John M. Royle
- G01 - MEASURING TESTING
Information Patent Application
Methods and systems for generating-phase derivative sound
- Publication number 20030158729
- Publication date Aug 21, 2003
- Radiodetection Limited
- John Mark Royle
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

John Mark Royle

Person

Patents Grantslast 30 patents

Signal select in underground line location

Signal processing for a cable locating instrument

Cable detection apparatus with a comb filter

Signal select in underground line location

Detector for calculating the distortion of an electromagnetic field...

Detector for calculating a depth of a buried conductor

Detector for calculating the depth of a buried conductor

System for and method of detecting a buried conductor

Transmitter of a system for detecting a buried conductor

System for and method of detecting a buried conductor

Detector for detecting a buried current carrying conductor

Enhanced sonde recognition

Enhanced sonde recognition

Methods and systems for generating phase-derivative sound

Cable detector with decimating filter and filtering method

Digital phase-quadrature oscillator

Electronic marker locator system and method

Patents Applicationslast 30 patents

SIGNAL SELECT IN UNDERGROUND LINE LOCATION

SIGNAL PROCESSING FOR A CABLE LOCATING INSTRUMENT

SIGNAL SELECT IN UNDERGROUND LINE LOCATION

Detector for Calculating the Distortion of an Electromagnetic Field...

System for and Method of Detecting a Buried Conductor

Detector for Calculating the Depth of a Buried Conductor

Transmitter of a System for Detecting a Buried Conductor

System for and Method of Detecting a Buried Conductor

Detector for Calculating a Depth of a Buried Conductor

Detector for detecting a buried current carrying conductor

Enhanced sonde recognition

Enhanced sonde recognition

Detector for detecting a buried current carrying conductor

Cable detector with decimating filter and filtering method

DIGITAL PHASE-QUADRATURE OSCILLATOR

ELECTRONIC MARKER LOCATOR SYSTEM AND METHOD

Methods and systems for generating-phase derivative sound