Stephen Petherick

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Exeter, GB

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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
System and method for locating a marker using a locator with multip...
- Patent number 10,768,330
- Issue date Sep 8, 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
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
Pipeline mapping and interrupter therefor
- Patent number 6,954,071
- Issue date Oct 11, 2005
- Radiodetection Limited
- David William Flatt
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Pipeline mapping and interrupter therefor
- Patent number 6,617,855
- Issue date Sep 9, 2003
- Radiodetection Limited
- David William Flatt
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

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
SYSTEM AND METHOD FOR LOCATING A MARKER USING A LOCATOR WITH MULTIP...
- Publication number 20170023692
- Publication date Jan 26, 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
Pipeline mapping and interrupter therefor
- Publication number 20040004479
- Publication date Jan 8, 2004
- Radiodetection Limited,
- David William Flatt
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Pipeline mapping and interrupter therefor
- Publication number 20010047247
- Publication date Nov 29, 2001
- David William Flatt
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...