Trademarks = 2

Forward Citations = 4

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9 inventors (with patents filed for the assignee):

Christian Leuchtenberg (6 out of 66 patents)

Earl Dietrich (5 out of 5 patents)

Glen H Cuiper (2 out of 9 patents)

4. Philip J Engelman (1 out of 1 patent)

5. Jeffrey S Meister (1 out of 1 patent)

6. Daniel E Sabelko (1 out of 1 patent)

7. Nicolas A Haugen (1 out of 1 patent)

8. Ricardo Gonzalez (1 out of 1 patent)

9. Ian Richard Knight (1 out of 1 patent)

6 patents: Sort by Forward Citations

1. 12006784 - Drilling choke with matched actuator (2024-06-11),

2. 11473377 - Rotating control device with flexible sleeve (2022-10-18),

3. 11473374 - Deployment tool and deployment tool assembly (2022-10-18),

4. 11391112 - Riser adapter quick connection assembly (2022-07-19),

5. 11236575 - Rotating control device with multiple seal cartridge (2022-02-01),

6. 11136848 - Rotating control device with cooling mandrel (2021-10-05),

Company Overview

NTdrill Holdings, LLC is a leading provider of drilling solutions for the mining and construction industries. With a focus on innovation and efficiency, we offer a wide range of high-quality drilling equipment and services to meet our clients' needs. Our experienced team is dedicated to delivering superior results while prioritizing safety and environmental responsibility.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

6 Patents

#726 in Houston, TX

#2,905 in Texas

#44,949 in US

Houston, TX, United States of America

Ntdrill Holdings, LLC

Forward Citations = 4

9 inventors:

Christian Leuchtenberg (6 out of 66 patents)

Earl Dietrich (5 out of 5 patents)

Glen H Cuiper (2 out of 9 patents)

4. Philip J Engelman (1 out of 1 patent)

5. Jeffrey S Meister (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ntdrill Holdings, LLC. Retrieved from https://idiyas.com/company/ntdrill-holdings

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]