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USPTO Data Jan 1 1976 - Oct 20 2026
1 Patents
#1,106 in
#9,890 in United Kingdom
Darchem Engineering Ltd.
Forward Citations = 7
6 inventors:
Darchem Engineering Ltd.
EPO Patents = 2
Forward Citations = 7
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6 inventors (with patents filed for the assignee):
Timothy S Lintz (1 out of 5 patents)
Mark D Stahlman (1 out of 3 patents)
Ralph W Paddock (1 out of 3 patents)
4. Clifton Philpott (1 out of 1 patent)
5. Keith Murray (1 out of 1 patent)
6. Frank K Chi (1 out of 8 patents)
7. Jack David Victor Maynard (0 patent)
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Darchem Engineering Ltd.. Retrieved from https://idiyas.com/company/darchem-engineering
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]
2 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]