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For the Inventor, By the Inventor

Farnborough, United Kingdom

Sondex Wireline Limited


USPTO Granted Patents = 23



Trademarks = 1

Forward Citations = 88

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38 inventors (with patents filed for the assignee):

goldMedal James David Ratcliffe (9 out of 14 patents)

silverMedal Timothy Michael Gill (8 out of 10 patents)

bronzeMedal Neil Geoffrey Harris (4 out of 5 patents)

4.  Ian Hitchcock (4 out of 4 patents)

5.  Keith Robert Wootten (3 out of 7 patents)

6.  David B Ayers (3 out of 14 patents)

7.  Guy Harvey Mason (2 out of 6 patents)

8.  Kenneth Tomkins (2 out of 2 patents)

9.  Timothy Johnson (1 out of 13 patents)

10.  Sandip Maity (1 out of 1 patent)

11.  Paul Shambrook (1 out of 1 patent)

12.  Marian Morys (1 out of 27 patents)

13.  Helene Claire Climent (1 out of 11 patents)

14.  Steven Bill Ellenby (1 out of 1 patent)

15.  Dean Douglas Kleckner (1 out of 1 patent)


23 patents:

1. 11073471 - Tapered attenuation total internal reflection optical sensor for downhole production logging (2021-07-27),
2. 11021947 - Sensor bracket positioned on a movable arm system and method (2021-06-01),
3. 10920572 - Sensor deployment system and method using a movable arm with a telescoping section (2021-02-16),
4. 10907467 - Sensor deployment using a movable arm system and method (2021-02-02),
5. 10883325 - Arm deployment system and method (2021-01-05),
6. 10145214 - Energy storage system (2018-12-04),
7. 10082592 - Resistivity imager with reduced borehole loading (2018-09-25),
8. 10024153 - Wide temperature range peak hold circuit (2018-07-17),
9. 9638866 - Optical fibre quick connect box (2017-05-02),
10. 8950489 - Annular disposed stirling heat exchanger (2015-02-10),
11. 8939039 - Load cell for a downhole load measuring tool (2015-01-27),
12. 8860415 - Method and apparatus for measuring borehole mud resistivity (2014-10-14),
13. 8849572 - Apparatus for determining the concentration of a conductive fluid present in a fluid filled borehole (2014-09-30),
14. 8800384 - Canted helix collapsible flowmeter and method of measuring a fluid flow (2014-08-12),
15. 8734175 - Flexible sealing connector (2014-05-27),
SONDEX WIRELINE LIMITED is a leading provider of wireline logging and well intervention services. With over 30 years of experience in the oil and gas industry, SONDEX offers innovative and advanced solutions for reservoir analysis, production optimization, and well integrity evaluation. The company focuses on delivering accurate and reliable data to support informed decision-making for its clients. SONDEX's comprehensive suite of wireline services includes open hole logging, cased hole logging, tubing conveyed perforating, and production logging. They are committed to delivering high-quality services with their state-of-the-art technology and highly skilled personnel.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 30 2025

23 Patents

#5 in Farnborough

#764 in United Kingdom

#26,825 in the World

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Farnborough, United Kingdom

Sondex Wireline Limited

Forward Citations = 88

38 inventors:

goldMedal James David Ratcliffe (9 out of 14 patents)

silverMedal Timothy Michael Gill (8 out of 10 patents)

bronzeMedal Neil Geoffrey Harris (4 out of 5 patents)

4.  Ian Hitchcock (4 out of 4 patents)

5.  Keith Robert Wootten (3 out of 7 patents)

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