Otter Tail Corporation (OTTR)
Patents
US patents through Dec 31, 2025 · PatentsView, from the USPTO’s Open Data Portal · read Oct 27, 20264 patents granted to the 3 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 Otter Tail Corporation’s names, not what it holds today.
0 published
0 published
1 published
| Granted | Patent | Title | Field | Owner as printed |
|---|---|---|---|---|
| Oct 23, 2018 | 10,105,797 | Welding table | Machine tools | BTD MANUFACTURING, INC. |
| Oct 16, 1990 | 4,962,855 | System for loading thin-walled plastic flower pots onto a loading tray | Handling | T. O. Plastics, Inc. |
| Aug 4, 1987 | 4,684,013 | Automatic loading tray for thin-walled plastic flower pots | Handling | T. O. Plastics, Inc. |
| Aug 6, 1985 | 4,533,588 | Grooved plastic board and method of making same | Other special machines | T. O. Plastics, Inc. |
| Published | Application | Title | Field | Owner as printed |
|---|---|---|---|---|
| Feb 6, 2025 | 2025/0040490 | PLANT EXTRACTION SYSTEMS AND METHODS OF USE | Other special machines | T.O. Plastics, 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.