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USPTO Data Jan 1 1976 - Oct 13 2026
1 Patents
#2,229 in Houston, TX
#9,248 in Texas
#136,844 in US
Letourneau Technologies Drilling Systems, Inc.
Forward Citations = 3
5 inventors:
Houston, TX, United States of America
Letourneau Technologies Drilling Systems, Inc.
% Expired Patents = 100.0
CIPO Patents = 3
EPO Patents = 3
Trademarks = 1
Forward Citations = 3
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5 inventors (with patents filed for the assignee):
Kevin R Williams (1 out of 40 patents)
Richard O Bradley (1 out of 3 patents)
Alvie E Howard, Jr (1 out of 2 patents)
4. Daniel F McNease (1 out of 2 patents)
5. Rudy Harris (1 out of 2 patents)
6. Gary Pace (6 patents)
7. Larry Charles Robbins, Jr (1 patent)
8. Richard Bradley (6 patents)
9. Al Howard (0 patent)
10. Daniel F Mcnease (0 patent)
11. Al Howard (0 patent)
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Letourneau Technologies Drilling Systems, Inc.. Retrieved from https://idiyas.com/company/letourneau-technologies-drilling-systems
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]
3 patents (CIPO):
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]
3 patents (EPO):
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]