John T Hill (1 out of 1 patent)
Richard L Fahl (1 out of 22 patents)
Company Badge
USPTO Data Jan 1 1976 - Oct 27 2026
1 Patents
#5 in Chestertown, MD
#2,064 in Maryland
#136,971 in US
Exxon.valve and Coupling Company
Forward Citations = 3
2 inventors:
Chestertown, MD, United States of America
Exxon.valve and Coupling Company
Calculating rank
% Expired Patents = 100.0
Forward Citations = 3
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2 inventors (with patents filed for the assignee):
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Exxon.valve and Coupling Company. Retrieved from https://idiyas.com/company/exxon-valve-and-coupling-company
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]