% Expired Patents = 33.3

Forward Citations = 78

Loading Chart...

3 inventors (with patents filed for the assignee):

Harris Allen Reynolds, Jr (9 out of 37 patents)

Robert S Sivley, Iv (5 out of 19 patents)

David Llewellyn Mallis (2 out of 14 patents)

9 patents: Sort by Forward Citations

1. 7717478 - Scalloped wedge threads (2010-05-18),

2. 7686350 - Mismatched flanks for a wedge thread (2010-03-30),

3. 7607333 - Helical groove for a tubular connection (2009-10-27),

4. 7578039 - Dope relief method for wedge thread connections (2009-08-25),

5. 7575255 - Wedge thread with high-angle metal seal (2009-08-18),

6. 7527304 - Floating wedge thread for tubular connection (2009-05-05),

7. 7500698 - Pseudo two-step connection (2009-03-10),

8. 7497481 - Treating method and design method for tubular connections (2009-03-03),

9. 7478842 - Coupled connection with an externally supported pin nose seal (2009-01-20),

Company Overview

Hydril LLC is a leading provider of premium connections for the global energy industry. We offer a comprehensive portfolio of products and services for oil and gas exploration, drilling, completion, and production applications. Our innovative technology and experienced team ensure our customers have access to reliable, high-performance solutions for their critical operations.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

9 Patents

#514 in Houston, TX

#2,059 in Texas

#32,588 in US

Houston, TX, United States of America

Hydril LLC

Forward Citations = 78

3 inventors:

Harris Allen Reynolds, Jr (9 out of 37 patents)

Robert S Sivley, Iv (5 out of 19 patents)

David Llewellyn Mallis (2 out of 14 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hydril LLC. Retrieved from https://idiyas.com/company/hydril

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]