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For the Inventor, By the Inventor

Houston, TX, United States of America

Tesco Corporation

Calculating rank
USPTO Granted Patents = 123

% Expired Patents = 40.7



Trademarks = 2

Forward Citations = 1,872

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67 inventors (with patents filed for the assignee):

goldMedal Per Angman (33 out of 66 patents)

silverMedal Tommy M Warren (18 out of 54 patents)

bronzeMedal Ryan Thomas Bowley (13 out of 37 patents)

4.  Maurice William Slack (13 out of 58 patents)

5.  Edgar Yajure (12 out of 21 patents)

6.  Robert M Tessari (12 out of 15 patents)

7.  Kevin James Nikiforuk (9 out of 15 patents)

8.  Erik Peter Eriksen (9 out of 20 patents)

9.  Michael E Moffitt (6 out of 15 patents)

10.  Matthew Brown (5 out of 10 patents)

11.  Doug Christian Greening (5 out of 11 patents)

12.  Michael Brouse (5 out of 5 patents)

13.  Kevin J Nikiforuk (5 out of 6 patents)

14.  Michael Everett Leman (4 out of 4 patents)

15.  Jonathan Brian O'Blenes (4 out of 5 patents)


Core Competencies:
Drilling Rig
Tubular Connections
Casing Systems
Fluid Management
Torque Bushing
Centralizer Connector
Pipe Handling
Continuous Circulation
Wellbore Tools
Retrieval Tools
Drilling Components
Stress Measurement

123 patents:

1. 9903167 - Interlock system and method for drilling rig (2018-02-27),
2. 9896893 - Pipe drive sealing system and method (2018-02-20),
3. 9850708 - Drill string sub (2017-12-26),
4. 9834990 - Bogey style torque bushing for top drive (2017-12-05),
5. 9784054 - System and method for establishing tubular connections (2017-10-10),
6. 9765579 - Tubular stress measurement system and method (2017-09-19),
7. 9725971 - System and method for continuous circulation (2017-08-08),
8. 9702200 - System and method for controlled slip connection (2017-07-11),
9. 9689250 - System and method for mitigating stick-slip (2017-06-27),
10. 9657533 - Drilling component retention system and method (2017-05-23),
11. 9650880 - Waveform anti-stick slip system and method (2017-05-16),
12. 9605501 - System for releasing a cement plug (2017-03-28),
13. 9605500 - System and method for managing drilling fluid (2017-03-28),
14. 9528330 - System and method for transporting tubular onto a drilling rig (2016-12-27),
15. 9512686 - Multi-service supply line system and method (2016-12-06),
Company Overview
Tesco Corporation, headquartered in Houston, TX, specializes in advanced drilling technology aimed at enhancing the efficiency and safety of drilling operations. The company focuses on developing innovative solutions in areas such as drilling rigs, tubular connections, and casing systems. Tesco's expertise extends to fluid management and pipe handling technologies, which are critical for optimizing drilling performance. By leveraging its core technologies, Tesco plays a significant role in the energy sector, contributing to the advancement of drilling practices globally.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

Tesco Corporation USPTO Patent Assignee Logo
123 Patents

#54 in Houston, TX

#171 in Texas

#3,161 in US

#6,525 in the World

Houston, TX (US)
Houston, TX, United States of America

Tesco Corporation

Forward Citations = 1,872

67 inventors:

goldMedal Per Angman (33 out of 66 patents)

silverMedal Tommy M Warren (18 out of 54 patents)

bronzeMedal Ryan Thomas Bowley (13 out of 37 patents)

4.  Maurice William Slack (13 out of 58 patents)

5.  Edgar Yajure (12 out of 21 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Tesco Corporation. Retrieved from https://idiyas.com/company/tesco

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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