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For the Inventor, By the Inventor

Houston, TX, United States of America

Hughes Tool Company LLC

Calculating rank
USPTO Granted Patents = 301


Trademarks = 4

Forward Citations = 6,352

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235 inventors (with patents filed for the assignee):

goldMedal John Lindley Baugh (17 out of 78 patents)

silverMedal Bruce J Watkins (13 out of 20 patents)

bronzeMedal James W Montgomery (9 out of 11 patents)

4.  Joseph E Vandevier (8 out of 8 patents)

5.  William James Hughes (6 out of 33 patents)

6.  Albert M Regan (6 out of 7 patents)

7.  Stanley R Scales (6 out of 6 patents)

8.  Raymond L Guzy (6 out of 10 patents)

9.  Sidney K Smith, Jr (6 out of 6 patents)

10.  William R Hamilton (6 out of 7 patents)

11.  Robert W Evans (5 out of 70 patents)

12.  Dick Lee Knox (5 out of 29 patents)

13.  John Michael Leuthen (5 out of 18 patents)

14.  Joseph L Kelly, Jr (5 out of 7 patents)

15.  Lee F McKenzie (5 out of 5 patents)


Core Competencies:
Downhole Mechanical Actuator
Earth Boring Bit
Annular Pressure Control
Jet Pump Drilling
Diamond Impregnated
Wellbore Tool
Subsea Connector
Centrifugal Pump
Seal Assembly
Torque Wrench
Drilling Motor
Pressure Monitoring

301 patents:

1. 12078020 - Downhole mechanical actuator (2024-09-03),
2. 11732542 - Annular pressure control ram diverter (2023-08-22),
3. 11441383 - Annular pressure control diverter (2022-09-13),
4. 11377919 - Annular pressure cap drilling method (2022-07-05),
5. 11255144 - Annular pressure cap drilling method (2022-02-22),
6. 11168526 - Jet pump drilling assembly (2021-11-09),
7. 5360076 - Dual metal face seal with single recessed energizer (1994-11-01),
8. 5173090 - Rock bit compact and method of manufacture (1992-12-22),
9. 5159857 - Fixed cutter bit with improved diamond filled compacts (1992-11-03),
10. 5129471 - Earth boring bit with protected seal means (1992-07-14),
11. 5128080 - Method of forming diamond impregnated carbide via the in-situ conversion (1992-07-07),
12. 5119714 - Rotary rock bit with improved diamond filled compacts (1992-06-09),
13. 5038640 - Titanium carbide modified hardfacing for use on bearing surfaces of (1991-08-13),
14. 5015401 - Bearings grease for rock bit bearings (1991-05-14),
15. 4984643 - Anti-balling earth boring bit (1991-01-15),
Company Overview
Hughes Tool Company LLC, based in Houston, TX, specializes in advanced downhole technology solutions for the oil and gas industry. The company focuses on developing innovative tools and systems, including downhole mechanical actuators, earth boring bits, and annular pressure control technologies. Their expertise extends to jet pump drilling, diamond-impregnated tools, and subsea connectors, positioning them as a key player in enhancing drilling efficiency and wellbore management. Hughes Tool Company is committed to delivering high-performance solutions tailored to the evolving needs of the energy sector.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

301 Patents

#33 in Houston, TX

#83 in Texas

#1,459 in US

#2,980 in the World

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

Hughes Tool Company LLC

Forward Citations = 6,352

235 inventors:

goldMedal John Lindley Baugh (17 out of 78 patents)

silverMedal Bruce J Watkins (13 out of 20 patents)

bronzeMedal James W Montgomery (9 out of 11 patents)

4.  Joseph E Vandevier (8 out of 8 patents)

5.  William James Hughes (6 out of 33 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hughes Tool Company LLC. Retrieved from https://idiyas.com/company/hughes-tool-company

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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