California Water Service (CWT)
Patents
US patents through Dec 31, 2025 · PatentsView, from the USPTO’s Open Data Portal · read Oct 27, 20262 patents 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 California Water Service’s names, not what it holds today.
1 published
0 published
| Granted | Patent | Title | Field | Owner as printed |
|---|---|---|---|---|
| Mar 1, 2016 | 9,272,928 | Tank overflow dechlorinating assembly and method | Chemical engineering | California Water Service Company |
| May 11, 2004 | 6,733,070 | Foldable chair with reclining back | Furniture, games | TWSC Corp. |
| Published | Application | Title | Field | Owner as printed |
|---|---|---|---|---|
| Feb 16, 2012 | 2012/0037570 | Tank Overflow Dechlorinating Assembly and Method | Chemical engineering | California Water Service Company · patent 9,272,928 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.