% Expired Patents = 14.3

CIPO Patents = 1

Forward Citations = 194

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2 inventors (with patents filed for the assignee):

William L Kopko (7 out of 67 patents)

Frank E Wills (1 out of 22 patents)

7 patents: Sort by Forward Citations

1. 6513339 - Solar air conditioner (2003-02-04),

2. 6405543 - High-efficiency air-conditioning system with high-volume air distribution (2002-06-18),

3. 6318977 - Reciprocating compressor with auxiliary port (2001-11-20),

4. 6286326 - Control system for a refrigerator with two evaporating temperatures (2001-09-11),

5. 6185943 - High-efficiency air-conditioning system with high-volume air distribution (2001-02-13),

6. 6121749 - Variable-speed drive for single-phase motors (2000-09-19),

7. 5947854 - Combined variable-speed drive and speed reducer for pumps and fans (1999-09-07),

Company Overview

Work Smart Energy Enterprises, Inc. is a leading provider of energy management solutions for businesses. We offer a range of services including energy audits, efficiency upgrades, and renewable energy installations. Our team of experts helps clients reduce their energy consumption and costs while also minimizing their environmental impact. With a focus on innovation and sustainability, we are dedicated to helping businesses work smarter with energy.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

7 Patents

#99 in Washington, DC

#99 in District of Columbia

#39,907 in US

Washington, DC, United States of America

Work Smart Energy Enterprises, Inc.

Forward Citations = 194

2 inventors:

William L Kopko (7 out of 67 patents)

Frank E Wills (1 out of 22 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Work Smart Energy Enterprises, Inc.. Retrieved from https://idiyas.com/company/work-smart-energy-enterprises

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 (CIPO):

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]