For the Inventor, By the Inventor

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Fort Worth, TX, United States of America

Hydra Rig, Inc.

USPTO Granted Patents = 19

Trademarks = 2

Forward Citations = 803

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8 inventors (with patents filed for the assignee):

Thomas L Elliston (9 out of 13 patents)

John E Goode (8 out of 14 patents)

Raymond E Lance (2 out of 3 patents)

4. Timothy Scott Steffenhagen (1 out of 15 patents)

5. Randall Scott Graves (1 out of 1 patent)

6. Michael D Hoyle (1 out of 2 patents)

7. Johnnie B Maschek, Jr (1 out of 1 patent)

8. Robert A Lyons, Jr (1 out of 2 patents)

19 patents: Sort by Forward Citations

1. 6216780 - Coiled tubing injector with improved traction (2001-04-17),

2. 6173769 - Universal carrier for grippers in a coiled tubing injector (2001-01-16),

3. 6059029 - Coiled tubing injector (2000-05-09),

4. 5465583 - Liquid methane fueling facility (1995-11-14),

5. 5360139 - Liquified natural gas fueling facility (1994-11-01),

6. 5315831 - Liquid natural gas and compressed natural gas total fueling system (1994-05-31),

7. 5309990 - Coiled tubing injector (1994-05-10),

8. 5301723 - Apparatus and method of preventing ice accumulation on coupling valves (1994-04-12),

9. 4738115 - Liquified gas pumping and vaporization system (1988-04-19),

10. 4585061 - Apparatus for inserting and withdrawing coiled tubing with respect to a (1986-04-29),

11. 4494415 - Liquid nitrogen pump (1985-01-22),

12. 4478561 - Hydraulic intensifier (1984-10-23),

13. 4436177 - Truck operator's cab with equipment control station (1984-03-13),

14. 4417846 - Traveling block elevator latch assembly (1983-11-29),

15. 4390315 - Fire fighting boom assembly for service vessel (1983-06-28),

Hydra Rig, Inc. is a global leader in the design and manufacture of coiled tubing units, nitrogen units, and cementing units for the oil and gas industry. With a focus on innovative technologies and exceptional customer service, Hydra Rig has built a reputation for delivering high-quality products that meet the needs of their clients worldwide.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

19 Patents

#44 in Fort Worth, TX

#1,027 in Texas

#16,592 in US

#31,670 in the World

Fort Worth, TX, United States of America

Hydra Rig, Inc.

Forward Citations = 803

8 inventors:

Thomas L Elliston (9 out of 13 patents)

John E Goode (8 out of 14 patents)

Raymond E Lance (2 out of 3 patents)

4. Timothy Scott Steffenhagen (1 out of 15 patents)

5. Randall Scott Graves (1 out of 1 patent)

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