Powell Industries, Inc. (POWL)
Patents
US patents through Dec 31, 2025 · PatentsView, from the USPTO’s Open Data Portal · read Oct 27, 20268 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 Powell Industries, Inc.’s names, not what it holds today.
0 published
1 published
2 published
0 published
Names not counted (1)
| Granted | Patent | Title | Field | Owner as printed |
|---|---|---|---|---|
| Feb 20, 2024 | 11,908,645 | Enabling equipment to withstand and control the effects of internal arcing faults | Electrical machinery, apparatus, energy | Powell Electrical Systems, Inc. |
| Jun 10, 2014 | 8,751,188 | Photoluminescent temperature sensor utilizing singular element for excitation and photodetection | Measurement | Powell Canada, Inc. |
| Nov 2, 1982 | 4,356,840 | Digital fluid flow control system | Mechanical elements | Powell Industries, Inc. |
| Dec 1, 1981 | 4,303,097 | Digital fluid flow control apparatus | Mechanical elements | Powell Industries, Inc. |
| Mar 3, 1981 | 4,254,412 | Controller deviation indicator | Control | Powell Industries, Inc. |
| Feb 3, 1981 | 4,248,263 | Digital fluid flow control apparatus | Mechanical elements | Powell Industries, Inc. |
| Jan 13, 1981 | 4,244,396 | Digital fluid flow control system | Mechanical elements | Powell Industries, Inc. |
| Jun 17, 1980 | 4,207,919 | Digital fluid flow control system | Control | Powell Industries, Inc. |
| Published | Application | Title | Field | Owner as printed |
|---|---|---|---|---|
| Oct 2, 2025 | 2025/0305891 | MEASURING TEMPERATURE OF PHOSPHORESCENT MATERIAL USING A DUAL ELEMENT LIGHT EMITTING DIODE | Measurement | Powell Electrical Systems, Inc. |
| Jun 22, 2023 | 2023/0197377 | ENABLING EQUIPMENT TO WITHSTAND AND CONTROL THE EFFECTS OF INTERNAL ARCING FAULTS | Electrical machinery, apparatus, energy | Powell Electrical Systems, Inc. · patent 11,908,645 granted from it |
| Feb 2, 2012 | 2012/0029864 | Photoluminescent Temperature Sensor Utilizing Singular Element for Excitation and Photodetection | Measurement | Powell Canada, Inc. · patent 8,751,188 granted from it |
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.