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Bristol, United Kingdom

Radiodetection Limited

USPTO Granted Patents = 71

CIPO Patents = 3

EPO Patents = 18

Trademarks = 42

Forward Citations = 2,141

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53 inventors (with patents filed for the assignee):

Richard D Pearson (18 out of 22 patents)

John Mark Royle (12 out of 17 patents)

Richard William Fling (12 out of 12 patents)

4. Andrew Biggerstaff Lewis (7 out of 34 patents)

5. Donald L Hore (6 out of 14 patents)

6. David William Flatt (4 out of 4 patents)

7. Jeff Thompson (3 out of 4 patents)

8. Luigi Lanfranchi (3 out of 3 patents)

9. Denise Louise Harris (3 out of 3 patents)

10. Stephen John Petherick (2 out of 7 patents)

11. Stuart Russell (2 out of 23 patents)

12. Jeffrey Richard Thompson (2 out of 2 patents)

13. Stephen Maslen (2 out of 2 patents)

14. James Ian King (2 out of 3 patents)

15. Jeffrey M Pollard (2 out of 2 patents)

Core Competencies:

Buried Conductor Detection

Electronic Marker Locator

Time-Domain Reflectometry

Cable Detection Apparatus

Underground Object Locator

Magnetic Field Signal Processing

Fibre Optic Communications

Enhanced Sonde Recognition

Current Carrying Conductor

Depth Calculation of Buried Conductors

Signal Generation Techniques

Pipeline Mapping

71 patents: Sort by Forward Citations

1. 11061061 - System and apparatus for detecting faults in an insulation layer of a buried conductor (2021-07-13),

2. 9194978 - Electronic marker locator systems and methods (2015-11-24),

3. 8952677 - Locator for locating a current carrying conductor (2015-02-10),

4. 8742747 - Detector for detecting a current carrying conductor (2014-06-03),

5. 8676522 - Detector for detecting a current carrying conductor (2014-03-18),

6. 8566043 - Detector for calculating the distortion of an electromagnetic field produced by a buried current carrying conductor (2013-10-22),

7. 8183851 - Detector for calculating a depth of a buried conductor (2012-05-22),

8. 8125210 - Detector for calculating the depth of a buried conductor (2012-02-28),

9. 8115489 - Detector for detecting a current carrying conductor and a method of validating operation of the detector (2012-02-14),

10. D648742 - Transmitter (2011-11-15),

11. 8058874 - System for and method of detecting a buried conductor (2011-11-15),

12. 7994770 - Transmitter of a system for detecting a buried conductor (2011-08-09),

13. 7977950 - Time-domain reflectometer (2011-07-12),

14. 7969137 - System for and method of detecting a buried conductor (2011-06-28),

15. 7940056 - Time-domain reflectometry (2011-05-10),

Radiodetection Limited specializes in the design and manufacture of equipment for the location and avoidance of underground utilities. With over 40 years of experience, Radiodetection has become a world leader in cable and pipe locating technology, serving industries such as construction, utilities, telecommunications, and more. Their range of high-performance products includes precision locators, utility mapping, ground penetrating radar, and pipe inspection systems.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

71 Patents

#7 in Bristol

#246 in United Kingdom

#10,081 in the World

Bristol, United Kingdom

Radiodetection Limited

Forward Citations = 2,141

53 inventors:

Richard D Pearson (18 out of 22 patents)

John Mark Royle (12 out of 17 patents)

Richard William Fling (12 out of 12 patents)

4. Andrew Biggerstaff Lewis (7 out of 34 patents)

5. Donald L Hore (6 out of 14 patents)

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