% Expired Patents = 100.0

Forward Citations = 0

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4 inventors (with patents filed for the assignee):

Robert Bentzoni (1 out of 1 patent)

Lawrence Dowling (1 out of 1 patent)

Stephen Karner (1 out of 1 patent)

4. Frank D Russo (1 out of 37 patents)

1 patent: Sort by Forward Citations

1. 8720466 - Process for accessing underground pressurized gas main (2014-05-13),

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

1 Patents

#2 in Portland, PA

#4,966 in Pennsylvania

#136,844 in US

Portland, PA, United States of America

Tellus Underground Technologies, Inc.

Forward Citations = 0

4 inventors:

Robert Bentzoni (1 out of 1 patent)

Lawrence Dowling (1 out of 1 patent)

Stephen Karner (1 out of 1 patent)

4. Frank D Russo (1 out of 37 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Tellus Underground Technologies, Inc.. Retrieved from https://idiyas.com/company/tellus-underground-technologies

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]