Patents
US patents through Dec 31, 2025 · PatentsView, from the USPTO’s Open Data Portal · read Oct 27, 2026
29 patents granted to the name 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 Imperial Oil Limited’s names, not what it holds today.
Patents granted
29
29 utility, 1976 to Dec 31, 2025
Granted in 2025
none
in the last year the record reads
Applications published
0
since 2001, to Dec 31, 2025
Names they are printed under
1
its own name
By yearGrantedApplications published
'76'77'78'79'80'82'83'85'94
Each pair is one calendar year. Applications are published about eighteen months after filing, so the newest years read low.
Under which name1 counted
Imperial Oil Limited its own name
CA, as the owner printed on each patent
0 published
Newest grantseach row opens the USPTO’s own copy
| Granted | Patent | Title | Field | Owner as printed |
|---|
| Mar 8, 1994 | 5,292,507 | Method of using polysaccharides to stabilize microorganisms for inoculating plant seeds | Biotechnology | Imperial Oil Limited |
| Dec 10, 1985 | 4,558,211 | Transaction terminal system | IT methods for management | Imperial Oil Limited |
| Nov 19, 1985 | 4,553,362 | Prefabricated building units | Civil engineering | Imperial Oil Limited |
| Aug 6, 1985 | 4,533,778 | Traction fluid lubricants derived from mineral oil | Basic materials chemistry | Imperial Oil Limited |
| Jun 7, 1983 | 4,387,256 | Traction fluid lubricants derived from coal tar | Basic materials chemistry | Imperial Oil Limited |
| May 17, 1983 | 4,383,914 | Dilution centrifuging of bitumen froth from the hot water process for tar sand | Basic materials chemistry | Imperial Oil Limited |
| Jan 26, 1982 | 4,313,228 | Wireless link between vehicles and a stationary installation | Telecommunications | Imperial Oil Limited |
| Sep 30, 1980 | 4,225,433 | Filtration of hot water extraction process whole tailings | Basic materials chemistry | Imperial Oil Limited |
| May 6, 1980 | 4,201,656 | Process aid addition in hot water process based on feed fines content | Basic materials chemistry | Imperial Oil Limited |
| Apr 15, 1980 | 4,197,937 | Non-ionic emulsifying release agent for bituminous sands conveyor belt | Basic materials chemistry | Imperial Oil 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.