Elmhurst Research, Inc.

Calculating rank

USPTO Granted Patents = 2

% Expired Patents = 50.0

Forward Citations = 58

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3 inventors (with patents filed for the assignee):

Joseph A Kapp (2 out of 3 patents)

John C Lawrenson (1 out of 1 patent)

Mark Philip D'Evelyn (1 out of 115 patents)

2 patents: Sort by Forward Citations

1. 8435347 - High pressure apparatus with stackable rings (2013-05-07),

2. 6154946 - Method for the manufacture of very high pressure vessels to survive high (2000-12-05),

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USPTO Data Jan 1 1976 - Nov 3 2026

2 Patents

#45 in Albany, NY

#5,867 in New York

#95,024 in US

Albany, NY, United States of America

Elmhurst Research, Inc.

Forward Citations = 58

3 inventors:

Joseph A Kapp (2 out of 3 patents)

John C Lawrenson (1 out of 1 patent)

Mark Philip D'Evelyn (1 out of 115 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Elmhurst Research, Inc.. Retrieved from https://idiyas.com/company/elmhurst-research

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]