Patents
US patents through Dec 31, 2025 · PatentsView, from the USPTO’s Open Data Portal · read Oct 27, 2026
60 patents granted to the 4 names below, as the owner printed on each patent when it was granted. A later sale, a lapse or an expiry is not read, so this is what was granted to Sempra’s names, not what it holds today.
Patents granted
60
60 utility, 1976 to Dec 31, 2025
Granted in 2025
1
Against none in 2024 and 2 in 2023
Applications published
31
since 2001, to Dec 31, 2025
Names they are printed under
4
a subsidiary
By yearGrantedApplications published
'08'11'13'14'15'16'17'18'19'20'21'22'23'24'25
Each pair is one calendar year. Applications are published about eighteen months after filing, so the newest years read low.
What they are aboutgrants since 2021
Electrical machinery, apparatus, energy2
Measurement1
Telecommunications1
Surface technology, coating1
Transport1
The main technology area of each patent, in the World Intellectual Property Organization’s 35 fields.
Under which name4 counted
San Diego Gas & Electric Company a subsidiary
US, as the owner printed on each patent
28 publishedSouthern California Gas Company a subsidiary
US, as the owner printed on each patent
0 publishedSan Diego Gas & Electric Company a subsidiary
named as the applicant on its applications, in US
2 publishedSOUTHERN CALIFORNIA GAS COMPANY a subsidiary
named as the applicant on its applications, in US
1 published
Newest grantseach row opens the USPTO’s own copy
| Granted | Patent | Title | Field | Owner as printed |
|---|
| May 20, 2025 | 12,304,342 | Managing electric vehicle charging through a smart meter | Transport | San Diego Gas & Electric Company |
| Nov 7, 2023 | 11,806,745 | Nonconductive films for lighter than air balloons | Surface technology, coating | San Diego Gas & Electric Company |
| Apr 11, 2023 | 11,625,734 | Managing grid interaction with interconnect socket adapter configured for an energy storage device | Electrical machinery, apparatus, energy | San Diego Gas & Electric Company |
| Nov 1, 2022 | 11,487,871 | Methods and systems for detecting and defending against invalid time signals | Telecommunications | San Diego Gas & Electric Company |
| Aug 10, 2021 | 11,086,346 | Managing power source interaction through an interconnect socket adapter configured with an energy storage source/sink | Electrical machinery, apparatus, energy | San Diego Gas & Electric Company |
| Jul 6, 2021 | 11,054,495 | Systems and methods for verifying sub metering accuracy for electric vehicle charging stations | Measurement | San Diego Gas & Electric Company |
| Apr 28, 2020 | 10,636,043 | Managing a power exchange using interconnect socket adapters | Electrical machinery, apparatus, energy | San Diego Gas & Electric Company |
| Mar 3, 2020 | 10,580,016 | Managing grid interaction with interconnect socket adapter configured for an energy storage device | Electrical machinery, apparatus, energy | San Diego Gas & Electric Company |
| Mar 3, 2020 | 10,576,497 | Nonconductive films for lighter than air balloons | Surface technology, coating | San Diego Gas & Electric Company |
| Jan 14, 2020 | 10,536,011 | Utility power grid substation auxiliary power system | Electrical machinery, apparatus, energy | San Diego Gas & Electric Company |
Newest applications publishedan application is a clue, never a plan
| Published | Application | Title | Field | Owner as printed |
|---|
| Nov 28, 2024 | 2024/0391346 | MANAGING ELECTRIC VEHICLE CHARGING THROUGH A SMART METER | Transport | San Diego Gas & Electric Company |
| Aug 29, 2024 | 2024/0286107 | CATALYTIC NON-THERMAL PLASMA ASSISTED CONVERSION APPARATUS AND METHOD | Chemical engineering | SOUTHERN CALIFORNIA GAS COMPANY |
| Feb 29, 2024 | 2024/0066552 | NONCONDUCTIVE FILMS FOR LIGHTER THAN AIR BALLOONS | Surface technology, coating | San Diego Gas & Electric Company |
| Mar 9, 2023 | 2023/0071205 | MANAGING ELECTRIC VEHICLE CHARGING THROUGH A SMART METER | Transport | San Diego Gas & Electric Company · patent 12,304,342 granted from it |
| May 21, 2020 | 2020/0160361 | MANAGING GRID INTERACTION WITH INTERCONNECT SOCKET ADAPTER CONFIGURED FOR AN ENERGY STORAGE DEVICE | Electrical machinery, apparatus, energy | San Diego Gas & Electric Company · patent 11,625,734 granted from it |
| May 14, 2020 | 2020/0147640 | NONCONDUCTIVE FILMS FOR LIGHTER THAN AIR BALLOONS | Surface technology, coating | San Diego Gas & Electric Company · patent 11,806,745 granted from it |
| Nov 7, 2019 | 2019/0339347 | SYSTEMS AND METHODS FOR VERIFYING SUB METERING ACCURACY FOR ELECTRIC VEHICLE CHARGING STATIONS | Measurement | San Diego Gas & Electric Company · patent 11,054,495 granted from it |
| Dec 27, 2018 | 2018/0375316 | UTILITY POLE WITH TILT METERS AND RELATED METHODS | Electrical machinery, apparatus, energy | San Diego Gas & Electric Company · patent 10,749,327 granted from it |
| Jul 5, 2018 | 2018/0188346 | Systems and Methods for Verifying Sub Metering Accuracy for Electric Vehicle Charging Stations | Measurement | San Diego Gas & Electric Company · patent 10,393,849 granted from it |
| May 24, 2018 | 2018/0143657 | MANAGING POWER SOURCE INTERACTION THROUGH AN INTERCONNECT SOCKET ADAPTER CONFIGURED WITH AN ENERGY STORAGE SOURCE/SINK | Electrical machinery, apparatus, energy | San Diego Gas & Electric Company · patent 11,086,346 granted from it |
What it applied for, 2024 to 2025: Surface technology, coating 1 · Chemical engineering 1 · Transport 1.
A patent is counted where the owner printed on it when it was granted carries the company’s own name, a former name, the name of a subsidiary its annual report lists, or its own name with a patent-holding phrase (Technology Licensing, Intellectual Property and the like), once the legal form, case and punctuation are set aside, and prints a country that name counts in. PatentsView’s data are published under the Creative Commons Attribution 4.0 licence. Source: PatentsView's granted patents and pre-grant publications, disambiguated, from the USPTO's Open Data Portal, through Dec 31, 2025, read Oct 27, 2026.