Forward Citations = 105

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3 inventors (with patents filed for the assignee):

John H Keyes (5 out of 13 patents)

Charles Irvin Strickland (3 out of 7 patents)

Robert George Strickland (3 out of 4 patents)

5 patents: Sort by Forward Citations

1. 4088266 - Method and apparatus for collecting, storing and transmitting solar heat (1978-05-09),

2. 4088117 - Solar heat collecting units (1978-05-09),

3. 3946944 - Method of heating a building structure with solar heat (1976-03-30),

4. 3946721 - Method of collecting and storing solar heat (1976-03-30),

5. 3946720 - Solar heat collector (1976-03-30),

Company Overview

International Solarthermics Corporation is a leading provider of solar energy solutions. The company specializes in designing, manufacturing, and installing solar thermal systems for residential, commercial, and industrial applications. With a focus on sustainability and innovation, International Solarthermics Corporation is committed to helping businesses and homeowners reduce their carbon footprint and save on energy costs.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

5 Patents

#2 in Nederland, CO

#1,156 in Colorado

#51,644 in US

Nederland, CO, United States of America

International Solarthermics Corporation

Forward Citations = 105

3 inventors:

John H Keyes (5 out of 13 patents)

Charles Irvin Strickland (3 out of 7 patents)

Robert George Strickland (3 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: International Solarthermics Corporation. Retrieved from https://idiyas.com/company/international-solarthermics

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]