Broken Arrow, OK, United States of America

Apergy Esp Systems, LLC

Calculating rank

USPTO Granted Patents = 2

Trademarks = 3

Forward Citations = 0

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2 inventors (with patents filed for the assignee):

Baojun Song (2 out of 5 patents)

David S Baillargeon (2 out of 2 patents)

2 patents: Sort by Forward Citations

1. 11549520 - Downhole centrifugal pump diffuser with protuberant vanes and related pumps and methods (2023-01-10),

2. 11181123 - Downhole centrifugal pump diffuser with protuberant vanes (2021-11-23),

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USPTO Data Jan 1 1976 - Oct 27 2026

2 Patents

#21 in Broken Arrow, OK

#571 in Oklahoma

#94,953 in US

Broken Arrow, OK, United States of America

Apergy Esp Systems, LLC

Forward Citations = 0

2 inventors:

Baojun Song (2 out of 5 patents)

David S Baillargeon (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Apergy Esp Systems, LLC. Retrieved from https://idiyas.com/company/apergy-esp-systems

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]