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For the Inventor, By the Inventor

Fairview, TX, United States of America

L Murray Dallas

This inventor holds 84 USPTO granted patents, plus 28 CIPO patents, primarily in Wellhead Technology (CPC class E21B3-3068). Top assignees: Stinger Wellhead Protection, Inc., Oil States Energy Services, LLC., H W C E S International. Active years: 1994-2012.

IDiyas Innovation Intelligence. (2026). Inventor Profile: L Murray Dallas. Retrieved from https://idiyas.com/inventor/l-murray-dallas

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 84

% Patents Active = 85.7


Average Co-Inventor Count = 1.4

ph-index = 30

Forward Citations = 2,393(Granted Patents)

Forward Citations (Not Self Cited) = 1,591(Dec 10, 2025)


Inventors with similar research interests:


    Location History:

    • Allen, TX (US) (1994 - 1999)
    • Fairfield, TX (US) (2009)
    • Fairview, TX (US) (2000 - 2011)
    • Streetman, TX (US) (2009 - 2012)

    Company Filing History:

    goldMedal49 out of 69 
     
    Stinger Wellhead Protection, Inc.
     patents
    silverMedal4 out of 47 
     
    Oil States Energy Services, LLC.
     patents
    bronzeMedal3 out of 3 
     
    H W C E S International
     patents
    4. 3 out of 3 
     
    Hwc Energy Services, Inc.
     patents
    5. 25 out of 834,513 
    Other
     patents

    Years Active: 1994-2012

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    Areas of Expertise:
    Wellhead System
    High-Pressure Valve
    Fracturing Head
    Metal-to-Metal Seal
    Subsurface Lubrication
    Plug Valve
    Threaded Union
    Multi-Lock Adapters
    Slip Spool Assembly
    Casing Mandrel
    Control Stack
    Drilling Flange
    84 patents (USPTO):Explore Patents
    1. 8297592 - High-pressure plug valve (2012-10-30),
    2. 8205916 - High-pressure threaded union with metal-to-metal seal, and metal ring gasket for same (2012-06-26),
    3. 8118090 - Hybrid wellhead system and method of use (2012-02-21),
    4. 8100185 - Multi-lock adapters for independent screwed wellheads and methods of using same (2012-01-24),
    5. 8100175 - Fracturing head with replaceable inserts for improved wear resistance and method of refurbishing same (2012-01-24),
    6. 7984758 - Multi-lock adapters for independent screwed wellheads and methods of using same (2011-07-26),
    7. 7967086 - Slip spool assembly and method of using same (2011-06-28),
    8. 7950410 - Gate valve with replaceable inserts and method of refurbishing same (2011-05-31),
    9. 7946558 - High-pressure plug valve (2011-05-24),
    10. 7934546 - Fracturing head with replaceable inserts for improved wear resistance and method of refurbishing same (2011-05-03),
    11. 7922216 - High-pressure threaded union with metal-to-metal seal, and metal ring gasket for same (2011-04-12),
    12. 7905293 - Hybrid wellhead system and method of use (2011-03-15),
    13. 7896087 - Method of subsurface lubrication to facilitate well completion, re-completion and workover (2011-03-01),
    14. 7886833 - System and method for low-pressure well completion (2011-02-15),
    15. 7874371 - Subsurface lubricator and method of use (2011-01-25),

    Title: Unveiling the Innovations of Inventor L Murray Dallas

    Introduction:

    In the realm of technological advancements, individuals like L Murray Dallas have made significant contributions through their innovative spirit. Hailing from Fairview, TX (US), L Murray Dallas is a distinguished inventor with an impressive portfolio of 84 patents to his name.

    Latest Patents:

    Among his recent patents, one notable invention is the high-pressure plug valve. This plug valve features a unique design with a rotatable plug housed within a cage, providing precise control over fluid flow. Additionally, his high-pressure threaded union with a metal-to-metal seal and metal ring gasket invention showcases his prowess in creating solutions for challenging environments.

    Career Highlights:

    L Murray Dallas has honed his expertise through his tenure at Stinger Wellhead Protection, Inc. His innovative mindset and technical acumen have been instrumental in developing cutting-edge solutions for various industries. His career highlights illuminate his commitment to pushing the boundaries of traditional engineering practices.

    Collaborations:

    Collaboration plays a crucial role in the world of innovation, and L Murray Dallas has had the privilege of working alongside accomplished professionals like Bob McGuire and Danny Lee Artherholt. These collaborations have not only enriched his projects but have also paved the way for novel inventions that have left a lasting impact.

    Conclusion:

    In conclusion, L Murray Dallas stands as a beacon of ingenuity, continually striving to redefine the standards of technological innovation. His impressive patent portfolio and collaborative spirit exemplify his dedication to shaping a future where progress knows no bounds.

    Profile summary based on public USPTO records.
    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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