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USPTO Data Jan 1 1976 - Oct 27 2026
4 Patents
#141 in Brooklyn, NY
#3,685 in New York
#60,704 in US
Keyspan Corporation
Forward Citations = 28
5 inventors:
Brooklyn, NY, United States of America
Keyspan Corporation
Calculating rank
% Expired Patents = 25.0
EPO Patents = 1
Trademarks = 1
Forward Citations = 28
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5 inventors (with patents filed for the assignee):
David L Robison (2 out of 10 patents)
Gregory Alan Brzozowski (2 out of 2 patents)
Mario Carbone (2 out of 2 patents)
4. Jahangir S Rastegar (1 out of 315 patents)
5. Michael J McEnerney (1 out of 1 patent)
4 patents:
Company Overview
Keyspan Corporation is a leading provider of energy solutions, specializing in natural gas distribution, electricity generation and transmission, and energy management services. With a focus on sustainability and innovation, Keyspan is dedicated to powering the future with reliable, affordable, and clean energy solutions.
Profile summary synthesized from public USPTO records and patent filings.
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Keyspan Corporation. Retrieved from https://idiyas.com/company/keyspan
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]
1 patent (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]