Loves Park, IL, United States of America

Tac, LLC

Calculating rank

USPTO Granted Patents = 7

EPO Patents = 1

Trademarks = 4

Forward Citations = 44

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8 inventors (with patents filed for the assignee):

Eugene R Jornod (3 out of 5 patents)

Kurt R Thomas (2 out of 8 patents)

Gerald R Parsons (2 out of 8 patents)

4. Masahiro Takahashi (1 out of 245 patents)

5. Paul Joseph Shemeta (1 out of 12 patents)

6. Michael Hung-Sun Oh (1 out of 5 patents)

7. Yasuhiko Takahashi (1 out of 2 patents)

8. Michael S Ruffu (1 out of 1 patent)

9. Michael L Hill (6 patents)

7 patents: Sort by Forward Citations

1. 7752933 - Speed controlled spring return actuator (2010-07-13),

2. 7712724 - Dynamic ball valve sealing device for three-way valves (2010-05-11),

3. 7559531 - Low torque ball valve with dynamic sealing (2009-07-14),

4. 7515433 - Method and apparatus for progressively connecting a controller to an external circuit of a building (2009-04-07),

5. 7367544 - Apparatus and method for replacing existing actuator zone valves in an HVAC system with a ball valve (2008-05-06),

6. 5954938 - Simplified cathodic corrosion protection method and apparatus for metal (1999-09-21),

7. 5415241 - Explosive actuated battering ram (1995-05-16),

Company Overview

Tac, LLC is a leading provider of innovative solutions in the field of technology and consulting services. With a focus on delivering cutting-edge solutions to clients across various industries, Tac, LLC offers a wide range of services including software development, IT consulting, and project management. Our team of experts is dedicated to helping businesses achieve their goals and drive success through the use of technology. Visit our website to learn more about our services and how we can help your business thrive.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

7 Patents

#5 in Loves Park, IL

#1,885 in Illinois

#39,929 in US

Loves Park, IL, United States of America

Tac, LLC

Forward Citations = 44

8 inventors:

Eugene R Jornod (3 out of 5 patents)

Kurt R Thomas (2 out of 8 patents)

Gerald R Parsons (2 out of 8 patents)

4. Masahiro Takahashi (1 out of 245 patents)

5. Paul Joseph Shemeta (1 out of 12 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Tac, LLC. Retrieved from https://idiyas.com/company/tac

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]

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]