American Electric Power Company, Inc. (AEP)
Nasdaq: AEP · Electric Services · Columbus, OH · filing with the SEC since 1994
Grade5.4
◀ Past 3.9● Present 5.3▶ Future 7.0
Patents
US patents through Dec 31, 2025 · PatentsView, from the USPTO’s Open Data Portal · read Oct 27, 202628 patents granted to the 5 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 American Electric Power Company, Inc.’s names, not what it holds today.
Patents granted
28
23 utility, 5 design, 1976 to Dec 31, 2025
Granted in 2025
none
Against none in 2024 and 1 in 2023
Applications published
15
since 2001, to Dec 31, 2025
Names they are printed under
5
its own name, a subsidiary
By yearGrantedApplications published
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
Surface technology, coating2
Environmental technology1
The main technology area of each patent, in the World Intellectual Property Organization’s 35 fields.
Under which name5 counted
American Electric Power Company, Inc. its own name
US, as the owner printed on each patent
11 published
AEP Transmission Holding Company, LLC a subsidiary
US, as the owner printed on each patent
1 published
American Electric Power Service Corporation a subsidiary
US, as the owner printed on each patent
0 published
AEP Transmission Holding Company, LLC a subsidiary
named as the applicant on its applications, in US
2 published
American Electric Power Company, Inc. its own name
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 |
|---|---|---|---|---|
| Aug 8, 2023 | 11,718,928 | Apparatus for manipulating crystal morphology to achieve stable fluidization | Surface technology, coating | American Electric Power Company, Inc. |
| Jul 12, 2022 | D957,332 | Electric transmission tower with double cross arm | American Electric Power Company, Inc. | |
| Jul 12, 2022 | D957,331 | Electric transmission tower with single cross arm | American Electric Power Company, Inc. | |
| Jul 20, 2021 | D925,467 | Switch cover blockout device | American Electric Power Company, Inc. | |
| Jun 8, 2021 | 11,027,237 | Direct injection of aqueous urea | Environmental technology | American Electric Power Company, Inc. |
| Apr 27, 2021 | 10,988,860 | Method for manipulating crystal morphology to achieve stable fluidization | Surface technology, coating | American Electric Power Company, Inc. |
| Jul 28, 2020 | 10,725,075 | Method of evaluating change in energy consumption due to Volt VAR optimization | Measurement | American Electric Power Company, Inc. |
| Sep 17, 2019 | 10,416,206 | Method of evaluating change in energy consumption due to Volt VAR optimization | Measurement | American Electric Power Company, Inc. |
| Oct 31, 2017 | 9,806,690 | Subsynchronous oscillation relay | Electrical machinery, apparatus, energy | AEP Transmission Holding Company, LLC |
| Dec 27, 2016 | 9,529,940 | Modular substation protection and control system | Electrical machinery, apparatus, energy | AEP Transmission Holding Company, LLC |
Newest applications publishedan application is a clue, never a plan
| Published | Application | Title | Field | Owner as printed |
|---|---|---|---|---|
| May 11, 2023 | 2023/0142047 | APPARATUS FOR MANIPULATING CRYSTAL MORPHOLOGY TO ACHIEVE STABLE FLUIDIZATION | Surface technology, coating | American Electric Power Company, Inc. · patent 11,718,928 granted from it |
| Jul 29, 2021 | 2021/0230771 | APPARATUS FOR MANIPULATING CRYSTAL MORPHOLOGY TO ACHIEVE STABLE FLUIDIZATION | Surface technology, coating | American Electric Power Company, Inc. |
| Jan 21, 2021 | 2021/0016225 | DIRECT INJECTION OF AQUEOUS UREA | Environmental technology | American Electric Power Company, Inc. · patent 11,027,237 granted from it |
| Feb 13, 2020 | 2020/0049745 | METHOD OF EVALUATING CHANGE IN ENERGY CONSUMPTION DUE TO VOLT VAR OPTIMIZATION | Measurement | American Electric Power Company, Inc. · patent 10,725,075 granted from it |
| Dec 5, 2019 | 2019/0368072 | APPARATUS AND METHOD FOR MANIPULATING CRYSTAL MORPHOLOGY TO ACHIEVE STABLE FLUIDIZATION | Surface technology, coating | American Electric Power Company, Inc. · patent 10,988,860 granted from it |
| Mar 31, 2016 | 2016/0091539 | METHOD OF EVALUATING CHANGE IN ENERGY CONSUMPTION DUE TO VOLT VAR OPTIMIZATION | Measurement | American Electric Power Company, Inc. · patent 10,416,206 granted from it |
| Mar 26, 2015 | 2015/0083483 | HIGH-CAPACITY/EFFICIENCY TRANSMISSION LINE DESIGN | Electrical machinery, apparatus, energy | AEP Transmission Holding Company, LLC · patent 9,768,601 granted from it |
| Dec 26, 2013 | 2013/0346031 | MODULAR SUBSTATION PROTECTION AND CONTROL SYSTEM | Electrical machinery, apparatus, energy | AEP Transmission Holding Company, LLC · patent 9,529,940 granted from it |
| Oct 31, 2013 | 2013/0284512 | HIGH-CAPACITY/EFFICIENCY TRANSMISSION LINE DESIGN | Electrical machinery, apparatus, energy | AEP Transmission Holding Company, LLC · patent 8,952,251 granted from it |
| Aug 27, 2009 | 2009/0212140 | System and method for processing hygroscopic materials | Chemical engineering | American Electric Power Company, Inc. |
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.