Method for separate lubrication of a drive system for a motor vehicle
US-2018371970-A1 · Dec 27, 2018 · US
Amines, e.g. polyalkylene polyamines; Quaternary amines (polyalkylene polyamines with eleven or more monomer units C10M149/22) · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C10M133/04 |
| Official title | Amines, e.g. polyalkylene polyamines; Quaternary amines (polyalkylene polyamines with eleven or more monomer units C10M149/22) |
| Display label | Amines, e.g. polyalkylene polyamines; Quaternary amines (polyalkylene polyamines with eleven or more monomer units C10M149/22) |
| Total patents | 119 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 19 |
| 2017 | 10 |
| 2018 | 23 |
| 2019 | 17 |
| 2020 | 12 |
| 2021 | 9 |
| 2022 | 5 |
| 2023 | 5 |
| 2024 | 3 |
| 2025 | 6 |
| 2026 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2018371970-A1 · Dec 27, 2018 · US
US-2018371356-A1 · Dec 27, 2018 · US
US-2018355267-A1 · Dec 13, 2018 · US
US-2018312776-A1 · Nov 1, 2018 · US
US-2018305633-A1 · Oct 25, 2018 · US
US-2018291303-A1 · Oct 11, 2018 · US
US-2018291306-A1 · Oct 11, 2018 · US
US-2018291301-A1 · Oct 11, 2018 · US
US-10087385-B2 · Oct 2, 2018 · US
US-2018273873-A1 · Sep 27, 2018 · US
US-2018251603-A1 · Sep 6, 2018 · US
US-2018171254-A1 · Jun 21, 2018 · US
US-2018134982-A1 · May 17, 2018 · US
US-2018134984-A1 · May 17, 2018 · US
US-9969950-B2 · May 15, 2018 · US
US-2018127679-A1 · May 10, 2018 · US
US-9963657-B2 · May 8, 2018 · US
US-9926511-B2 · Mar 27, 2018 · US
US-2018066202-A1 · Mar 8, 2018 · US
US-9909080-B2 · Mar 6, 2018 · US
Answers are generated from the same data shown on this page.