List of public utility patents

Patent 9960637 was granted and assigned to Sunverge Energy on May, 2018 by the United States Patent and Trademark Office.

Patent 11625734 was granted and assigned to San Diego Gas & Electric on April, 2023 by the United States Patent and Trademark Office.

Patent 11542913 was granted and assigned to Columbia Power Technologies on January, 2023 by the United States Patent and Trademark Office.

Patent 11487871 was granted and assigned to San Diego Gas & Electric on November, 2022 by the United States Patent and Trademark Office.

Patent 9677809 was granted and assigned to Portland General Electric on June, 2017 by the United States Patent and Trademark Office.

Patent 11271425 was granted and assigned to Sunverge Energy on March, 2022 by the United States Patent and Trademark Office.

Patent 9637003 was granted and assigned to Hydro-Québec on May, 2017 by the United States Patent and Trademark Office.

Patent 9995768 was granted and assigned to San Diego Gas & Electric on June, 2018 by the United States Patent and Trademark Office.

Patent 7509979 was granted and assigned to Vattenfall on March, 2009 by the United States Patent and Trademark Office.

Patent 11181568 was granted and assigned to Hydro-Québec on November, 2021 by the United States Patent and Trademark Office.

Patent 10132838 was granted and assigned to San Diego Gas & Electric on November, 2018 by the United States Patent and Trademark Office.

Patent 9002672 was granted and assigned to Hydro-Québec on April, 2015 by the United States Patent and Trademark Office.

Patent 11652209 was granted and assigned to Hydro-Québec on May, 2023 by the United States Patent and Trademark Office.

Patent 8024077 was granted and assigned to San Diego Gas & Electric on September, 2011 by the United States Patent and Trademark Office.

Patent 10089641 was granted and assigned to San Diego Gas & Electric on October, 2018 by the United States Patent and Trademark Office.

Patent 9904308 was granted and assigned to San Diego Gas & Electric on February, 2018 by the United States Patent and Trademark Office.

Patent 11258301 was granted and assigned to Sunverge Energy on February, 2022 by the United States Patent and Trademark Office.

Patent 7424892 was granted and assigned to Hydro-Québec on September, 2008 by the United States Patent and Trademark Office.

Patent 7365444 was granted and assigned to Southern California Gas Company on April, 2008 by the United States Patent and Trademark Office.

Patent 7998617 was granted and assigned to Hydro-Québec on August, 2011 by the United States Patent and Trademark Office.

Patent 9413156 was granted and assigned to San Diego Gas & Electric on August, 2016 by the United States Patent and Trademark Office.

Patent 10153635 was granted and assigned to San Diego Gas & Electric on December, 2018 by the United States Patent and Trademark Office.

Patent 8067117 was granted and assigned to Hydro-Québec on November, 2011 by the United States Patent and Trademark Office.

Patent 9587620 was granted and assigned to Columbia Power Technologies on March, 2017 by the United States Patent and Trademark Office.