% Expired Patents = 25.0

Trademarks = 4

Forward Citations = 213

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7 inventors (with patents filed for the assignee):

Preston Noel Williams (3 out of 3 patents)

Arnold Charles Hillman (3 out of 3 patents)

Christian Peter Kramer (2 out of 2 patents)

4. David Nicholas Legas (2 out of 2 patents)

5. William Rusty Sutterlin (1 out of 31 patents)

6. Henry Adolph Cousineau, Iii (1 out of 1 patent)

7. Henry Adolf Cousineau, Iii (1 out of 1 patent)

4 patents: Sort by Forward Citations

1. 9510515 - Rootzone heating for energy conservation using latent heat storage (2016-12-06),

2. 8607581 - Package having phase change materials and method of use in transport of temperature sensitive payload (2013-12-17),

3. 7908870 - Package having phase change materials and method of use in transport of temperature sensitive payload (2011-03-22),

4. 7328583 - Thermally stable containment device and methods (2008-02-12),

Company Overview

Entropy Solutions, Inc. is a leading provider of sustainable, bio-based phase change materials for thermal energy storage applications. Our innovative products help customers reduce energy consumption, save money, and lower their carbon footprint. With a focus on cutting-edge research and development, we are committed to solving complex energy challenges and creating a more sustainable future.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

4 Patents

#363 in Minneapolis, MN

#1,651 in Minnesota

#60,671 in US

Minneapolis, MN, United States of America

Entropy Solutions, Inc.

Forward Citations = 213

7 inventors:

Preston Noel Williams (3 out of 3 patents)

Arnold Charles Hillman (3 out of 3 patents)

Christian Peter Kramer (2 out of 2 patents)

4. David Nicholas Legas (2 out of 2 patents)

5. William Rusty Sutterlin (1 out of 31 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Entropy Solutions, Inc.. Retrieved from https://idiyas.com/company/entropy-solutions

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]