For the Inventor, By the Inventor

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Aberdeen, United Kingdom

Andergauge Limited

USPTO Granted Patents = 16

% Expired Patents = 6.3

CIPO Patents = 10

EPO Patents = 2

Forward Citations = 565

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6 inventors (with patents filed for the assignee):

Alan Martyn Eddison (15 out of 27 patents)

Ronnie Hardie (3 out of 3 patents)

Charles Abernethy Anderson (2 out of 2 patents)

4. Mark Adam (1 out of 9 patents)

5. Alastair Henry Walter MacFarlane (1 out of 3 patents)

6. Hazel Farquhar (1 out of 1 patent)

7. Richard Alexander Innes (1 patent)

8. Ian Forster (0 patent)

9. Alastair Macfarlane (0 patent)

10. Leslie Robertson (0 patent)

11. Leslie Robertson (0 patent)

16 patents: Sort by Forward Citations

1. 8251144 - Flow diverter (2012-08-28),

2. 8069926 - Method of controlling flow through a drill string using a valve positioned therein (2011-12-06),

3. 7823663 - Expandable reamer (2010-11-02),

4. 7703553 - Downhole tool having radially extendable members (2010-04-27),

5. 7461706 - Drilling apparatus with percussive action cutter (2008-12-09),

6. 7168493 - Downhole tool (2007-01-30),

7. 7077205 - Method and device to free stuck objects (2006-07-18),

8. 7013994 - Directional drilling apparatus (2006-03-21),

9. 6615933 - Downhole tool with extendable members (2003-09-09),

10. 6588518 - Drilling method and measurement-while-drilling apparatus and shock tool (2003-07-08),

11. 6508317 - Downhole apparatus and method of use (2003-01-21),

12. 6439318 - Downhole apparatus (2002-08-27),

13. 6431294 - Percussive tool (2002-08-13),

14. 6321857 - Directional drilling apparatus and method utilizing eccentric stabilizer (2001-11-27),

15. 6289596 - Downhole tool (2001-09-18),

Andergauge Limited is a technology company based in Aberdeen, UK, specializing in advanced measurement solutions for the oil and gas industry. The company focuses on developing innovative tools and systems that enhance the accuracy and efficiency of subsea operations. With a commitment to research and development, Andergauge aims to address the challenges faced in harsh marine environments, providing reliable data and insights that support operational excellence and safety in energy exploration and production.

Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Oct 6 2026

16 Patents

#12 in Aberdeen

#1,114 in United Kingdom

#37,788 in the World

Aberdeen, United Kingdom

Andergauge Limited

Forward Citations = 565

6 inventors:

Alan Martyn Eddison (15 out of 27 patents)

Ronnie Hardie (3 out of 3 patents)

Charles Abernethy Anderson (2 out of 2 patents)

4. Mark Adam (1 out of 9 patents)

5. Alastair Henry Walter MacFarlane (1 out of 3 patents)

Please report any incorrect information to [email protected]

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