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For the Inventor, By the Inventor

Inverurie, United Kingdom

Zenith Oilfield Technology Limited


USPTO Granted Patents = 12

% Expired Patents = 8.3



Forward Citations = 16

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9 inventors (with patents filed for the assignee):

goldMedal David Sirda Shanks (8 out of 15 patents)

silverMedal David Cyril Hendry (2 out of 2 patents)

bronzeMedal Alan James Fenwick (1 out of 1 patent)

4.  Sandy Skinner (1 out of 1 patent)

5.  Michael Manning (1 out of 1 patent)

6.  Leslie Eric Jordon (1 out of 1 patent)

7.  Keith Kettlewell (1 out of 1 patent)

8.  Amer Kassab (1 out of 1 patent)

9.  Leslie E Jordan (1 out of 3 patents)

10.  Leslie Eric Jordan (0 patent)


12 patents:

1. 11543456 - Methods and systems for monitoring the performance of electric motors (2023-01-03),
2. 10975659 - Automatic blanking completion tool (2021-04-13),
3. 10329898 - High temperature downhole gauge system (2019-06-25),
4. 10107789 - Multi-component fluid determination in a well bore (2018-10-23),
5. 10094212 - Data communications system (2018-10-09),
6. 9976412 - Data communications system (2018-05-22),
7. 9951609 - Data communications system (2018-04-24),
8. 9840907 - Data communications system (2017-12-12),
9. 9541665 - Fluid determination in a well bore (2017-01-10),
10. 9234419 - High temperature downhole gauge system (2016-01-12),
11. 8344904 - Signal processing in downhole equipment (2013-01-01),
12. 7044232 - Well apparatus connection assembly (2006-05-16),
Company Overview
Zenith Oilfield Technology Limited, based in Inverurie, GB, specializes in the development and manufacturing of advanced technologies for the oil and gas industry. The company focuses on providing innovative solutions that enhance operational efficiency and safety in drilling and production processes. With a commitment to research and development, Zenith aims to address the evolving challenges faced by energy companies, leveraging cutting-edge technology to optimize resource extraction and management.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 6 2026

12 Patents

#1 in

#1,457 in

#48,129 in the World

Inverurie, GB
Inverurie, United Kingdom

Zenith Oilfield Technology Limited

Forward Citations = 16

9 inventors:

goldMedal David Sirda Shanks (8 out of 15 patents)

silverMedal David Cyril Hendry (2 out of 2 patents)

bronzeMedal Alan James Fenwick (1 out of 1 patent)

4.  Sandy Skinner (1 out of 1 patent)

5.  Michael Manning (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Zenith Oilfield Technology Limited. Retrieved from https://idiyas.com/company/zenith-oilfield-technology

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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