Companhia Paranaense de Energia - COPEL (ELPC)
Patents
US patents through Dec 31, 2025 · PatentsView, from the USPTO’s Open Data Portal · read Oct 27, 20261 patent granted to the 2 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 Companhia Paranaense de Energia - COPEL’s names, not what it holds today.
0 published
1 published
| Granted | Patent | Title | Field | Owner as printed |
|---|---|---|---|---|
| Apr 2, 2019 | 10,244,808 | Three-dimensional electric field sensor in hard hats | Measurement | COPEL DISTRIBUIÇÃO S/A |
| Published | Application | Title | Field | Owner as printed |
|---|---|---|---|---|
| Jan 17, 2019 | 2019/0014847 | THREE-DIMENSIONAL ELECTRIC FIELD SENSOR IN HARD HATS | Measurement | COPEL DISTRIBUIÇÃO S/A · patent 10,244,808 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.