% Expired Patents = 60.0

Trademarks = 1

Forward Citations = 106

Loading Chart...

9 inventors (with patents filed for the assignee):

Edmond J Dougherty (3 out of 14 patents)

Daniel A Green (3 out of 7 patents)

Devin Green (3 out of 3 patents)

4. Drew Palmer (3 out of 3 patents)

5. Todd A Binkowski (3 out of 3 patents)

6. John C Beery (1 out of 2 patents)

7. Kenneth Witzke (1 out of 1 patent)

8. William F Hardin, Sr (1 out of 1 patent)

9. William M Mack, Jr (1 out of 1 patent)

5 patents: Sort by Forward Citations

1. 7791495 - Service personnel communication system (2010-09-07),

2. 7782177 - Service personnel communication system (2010-08-24),

3. 7385479 - Service personnel communication system (2008-06-10),

4. 4817034 - Computerized handwriting duplication system (1989-03-28),

5. 4539752 - Automatic sheet transport mechanism (1985-09-10),

Company Overview

ESP Systems, LLC is a leading provider of advanced energy management solutions for commercial and industrial customers. With over 20 years of experience in the industry, ESP Systems offers a comprehensive suite of services, including energy audits, demand response programs, and energy procurement. Their cutting-edge technology and personalized approach help clients optimize their energy usage and reduce costs.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

5 Patents

#182 in Charlotte, NC

#1,123 in North Carolina

#51,570 in US

Charlotte, NC, United States of America

Esp Systems, LLC

Forward Citations = 106

9 inventors:

Edmond J Dougherty (3 out of 14 patents)

Daniel A Green (3 out of 7 patents)

Devin Green (3 out of 3 patents)

4. Drew Palmer (3 out of 3 patents)

5. Todd A Binkowski (3 out of 3 patents)

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