Canadian Natural Resources Limited (CNQ)
Patents
US patents through Dec 31, 2025 · PatentsView, from the USPTO’s Open Data Portal · read Oct 27, 20264 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 Canadian Natural Resources Limited’s names, not what it holds today.
2 published
5 published
| Granted | Patent | Title | Field | Owner as printed |
|---|---|---|---|---|
| Oct 17, 2023 | 11,788,014 | High temperature paraffinic froth treatment process | Basic materials chemistry | CANADIAN NATURAL RESOURCES LIMITED |
| Mar 23, 2021 | 10,954,448 | High temperature paraffinic froth treatment process | Basic materials chemistry | CANADIAN NATURAL RESOURCES LIMITED |
| Mar 5, 2019 | 10,222,147 | Firetube scraper | Thermal processes and apparatus | CANADIAN NATURAL RESOURCES LIMITED |
| May 2, 2017 | 9,637,686 | Process for treating mined oil sands deposits | Basic materials chemistry | CANADIAN NATURAL RESOURCES LIMITED |
| Published | Application | Title | Field | Owner as printed |
|---|---|---|---|---|
| Jun 27, 2024 | 2024/0212475 | DETECTING A MALFUNCTION ASSOCIATED WITH AN IMPULSE LINE | Control | CANADIAN NATURAL RESOURCES LIMITED |
| Nov 11, 2021 | 2021/0347667 | CO-DEPOSITION OF OIL SAND TAILINGS STREAMS AND TAILINGS PRODUCTS | Environmental technology | CANADIAN NATURAL RESOURCES LIMITED |
| Jun 3, 2021 | 2021/0163826 | HIGH TEMPERATURE PARAFFINIC FROTH TREATMENT PROCESS | Basic materials chemistry | CANADIAN NATURAL RESOURCES LIMITED · patent 11,788,014 granted from it |
| Feb 21, 2019 | 2019/0055474 | HIGH TEMPERATURE PARAFFINIC FROTH TREATMENT PROCESS | Basic materials chemistry | CANADIAN NATURAL RESOURCES LIMITED · patent 10,954,448 granted from it |
| Jan 26, 2017 | 2017/0023319 | FIRETUBE SCRAPER | Thermal processes and apparatus | CANADIAN NATURAL RESOURCES LIMITED · patent 10,222,147 granted from it |
| Oct 23, 2014 | 2014/0311952 | PROCESS FOR TREATING MINED OIL SANDS DEPOSITS | Basic materials chemistry | CANADIAN NATURAL RESOURCES LIMITED · patent 9,637,686 granted from it |
| Dec 8, 2005 | 2005/0269084 | Junction assembly, system and method for providing a downhole junction | Civil engineering | CANADIAN NATURAL RESOURCES LIMITED |
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.