Burt A Adams (1 out of 13 patents)
Norman A Henry (1 out of 10 patents)
Company Badge
USPTO Data Jan 1 1976 - Oct 13 2026
1 Patents
#2,229 in Houston, TX
#9,248 in Texas
#136,844 in US
Allis-Chalmers Energy, Inc.
Forward Citations = 4
2 inventors:
Houston, TX, United States of America
Allis-Chalmers Energy, Inc.
% Expired Patents = 100.0
Trademarks = 3
Forward Citations = 4
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2 inventors (with patents filed for the assignee):
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Allis-Chalmers Energy, Inc.. Retrieved from https://idiyas.com/company/allis-chalmers-energy
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]
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]
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]