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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),

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.

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Company Badge

USPTO Data Jan 1 1976 - Sep 22 2026

7 Patents

#156 in Calgary

#2,092 in Canada

Calgary, Canada

General Downhole Tools, Ltd.