Forward Citations = 0

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7 inventors (with patents filed for the assignee):

David Devlin (6 out of 14 patents)

Michael Harvey (6 out of 6 patents)

Jovan Vracar (3 out of 5 patents)

4. Jovan Vrcar (2 out of 2 patents)

5. Vladimir Jorgic (1 out of 2 patents)

6. Mike Harvey (1 out of 1 patent)

7. Dave Devlin (1 out of 1 patent)

7 patents: Sort by Forward Citations

1. 12534966 - System, method and apparatus for downhole torque-transferring ball screw (2026-01-27),

2. 12534965 - System, method and apparatus for hydraulic downhole stick-slip mitigation (2026-01-27),

3. 12104442 - System, method and apparatus for hydraulic downhole stick-slip mitigation (2024-10-01),

4. 11873686 - System, method and apparatus for downhole torque-transferring ball screw (2024-01-16),

5. 11851955 - Downhole tool with radial shock absorber and stabilizer (2023-12-26),

6. 11713665 - Systems, methods, and devices for directionally drilling an oil well while rotating including remotely controlling drilling equipment (2023-08-01),

7. 11142952 - System, method and apparatus for well string clutch (2021-10-12),

Company Overview

General Downhole Tools, Ltd. is a leading provider of innovative downhole drilling tools and solutions for the oil and gas industry. With years of experience and expertise, we deliver high-quality products and services to maximize drilling efficiency and minimize downtime. Our comprehensive range of tools includes MWD/LWD systems, drilling motors, and drilling jars, designed to withstand the toughest drilling conditions. Visit our website to learn more about our products and services.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

7 Patents

#156 in Calgary

#2,100 in Canada

Calgary, Canada

General Downhole Tools, Ltd.

Forward Citations = 0

7 inventors:

David Devlin (6 out of 14 patents)

Michael Harvey (6 out of 6 patents)

Jovan Vracar (3 out of 5 patents)

4. Jovan Vrcar (2 out of 2 patents)

5. Vladimir Jorgic (1 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: General Downhole Tools, Ltd.. Retrieved from https://idiyas.com/company/general-downhole-tools

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]