% Expired Patents = 100.0

Forward Citations = 4

Loading Chart...

2 inventors (with patents filed for the assignee):

James M Royston (3 out of 5 patents)

John A Samudovsky (3 out of 3 patents)

3 patents: Sort by Forward Citations

1. 7931306 - Vented gas riser apparatus (2011-04-26),

2. 7753412 - Vented gas riser apparatus (2010-07-13),

3. 7740284 - Vented gas riser apparatus (2010-06-22),

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

3 Patents

#366 in Pittsburgh, PA

#2,682 in Pennsylvania

#73,860 in US

Pittsburgh, PA, United States of America

Energy Control Systems, Inc.

Forward Citations = 4

2 inventors:

James M Royston (3 out of 5 patents)

John A Samudovsky (3 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Energy Control Systems, Inc.. Retrieved from https://idiyas.com/company/energy-control-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]