For the Inventor, By the Inventor

Enter assignee name

Millbrae, CA, United States of America

Ecofactor, Inc.

USPTO Granted Patents = 42

% Expired Patents = 7.1

Trademarks = 1

Forward Citations = 3,156

Loading Chart...

Loading Chart...

4 inventors (with patents filed for the assignee):

John Douglas Steinberg (42 out of 59 patents)

Scott Douglas Hublou (25 out of 25 patents)

Leo Cheung (7 out of 7 patents)

4. Bradley S Richter (1 out of 1 patent)

Core Competencies:

HVAC Efficiency

Energy Optimization

Thermal Mass

Mobile Electronic Devices

Wireless Sensors

Networked Thermostats

Peak Demand Reduction

Compressor Delay

Plug-In Air Conditioners

Portable Heaters

Adaptive Programming

Just-In-Time Conditioning

42 patents: Sort by Forward Citations

1. 11835396 - System and method for evaluating changes in the efficiency of an HVAC system (2023-12-05),

2. 11835395 - System and method for evaluating changes in the efficiency of an HVAC system (2023-12-05),

3. 11835394 - System and method for evaluating changes in the efficiency of an HVAC system (2023-12-05),

4. 10612983 - System and method for evaluating changes in the efficiency of an HVAC system (2020-04-07),

5. 10584890 - System and method for using a mobile electronic device to optimize an energy management system (2020-03-10),

6. 10534382 - System and method for using a wireless device as a sensor for an energy management system (2020-01-14),

7. 10393398 - System and method for optimizing use of plug-in air conditioners and portable heaters (2019-08-27),

8. 10289131 - System and method for using a wireless device as a sensor for an energy management system (2019-05-14),

9. 10254775 - System and method for using ramped setpoint temperature variation with networked thermostats to improve efficiency (2019-04-09),

10. 10048706 - System and method for optimizing use of individual HVAC units in multi-unit chiller-based systems (2018-08-14),

11. 10018371 - System, method and apparatus for identifying manual inputs to and adaptive programming of a thermostat (2018-07-10),

12. 9982905 - System, method and apparatus for use of dynamically variable compressor delay in thermostat to reduce energy consumption (2018-05-29),

13. 9939333 - System and method for evaluating changes in the efficiency of an HVAC system (2018-04-10),

14. 9709292 - System and method for using a mobile electronic device to optimize an energy management system (2017-07-18),

15. 9279594 - System, method and apparatus for use of dynamically variable compressor delay in thermostat to reduce energy consumption (2016-03-08),

Company Overview

Ecofactor, Inc., based in Millbrae, California, specializes in advanced energy management solutions focused on enhancing HVAC efficiency. The company develops innovative technologies that leverage wireless sensors and mobile device optimization to improve thermostat programming and dynamic compressor delay. By employing thermal mass calculations, Ecofactor aims to reduce peak demand and optimize energy consumption in residential and commercial settings, contributing to sustainable energy practices and improved environmental outcomes.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

42 Patents

#1 in Millbrae, CA

#1,941 in California

#8,258 in US

#16,354 in the World

Millbrae, CA, United States of America

Ecofactor, Inc.

Forward Citations = 3,156

4 inventors:

John Douglas Steinberg (42 out of 59 patents)

Scott Douglas Hublou (25 out of 25 patents)

Leo Cheung (7 out of 7 patents)

4. Bradley S Richter (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ecofactor, Inc.. Retrieved from https://idiyas.com/company/ecofactor

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]

Loading…