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For the Inventor, By the Inventor

Fort Worth, TX, United States of America

Hydra Rig, Inc.

Calculating rank
USPTO Granted Patents = 19

Trademarks = 2

Forward Citations = 820

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8 inventors (with patents filed for the assignee):

goldMedal Thomas L Elliston (9 out of 13 patents)

silverMedal John E Goode (8 out of 14 patents)

bronzeMedal 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:

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),
Company Overview
Hydra Rig, Inc. is a Fort Worth-based company specializing in advanced drilling technologies and equipment for the oil and gas industry. The organization focuses on developing innovative solutions that enhance drilling efficiency and safety, leveraging cutting-edge engineering and design principles. With a commitment to improving operational performance, Hydra Rig plays a significant role in the energy sector, providing state-of-the-art rigs and support services tailored to meet the evolving needs of its clients.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

19 Patents

#44 in Fort Worth, TX

#1,033 in Texas

#17,154 in US

#32,705 in the World

Fort Worth, TX (US)
Fort Worth, TX, United States of America

Hydra Rig, Inc.

Forward Citations = 820

8 inventors:

goldMedal Thomas L Elliston (9 out of 13 patents)

silverMedal John E Goode (8 out of 14 patents)

bronzeMedal 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)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hydra Rig, Inc.. Retrieved from https://idiyas.com/company/hydra-rig

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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