Water-based coating agent composition, water-based lubricating film paint composition comprising same, and member
US-2017349762-A1 · Dec 7, 2017 · US
Five-membered ring containing nitrogen and carbon only
Five-membered ring containing nitrogen and carbon only · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C10M133/44 |
| Official title | Five-membered ring containing nitrogen and carbon only |
| Display label | Five-membered ring containing nitrogen and carbon only |
| Total patents | 230 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 18 |
| 2016 | 31 |
| 2017 | 24 |
| 2018 | 20 |
| 2019 | 31 |
| 2020 | 24 |
| 2021 | 19 |
| 2022 | 14 |
| 2023 | 19 |
| 2024 | 16 |
| 2025 | 11 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Lubricating composition for lead and copper corrosion inhibition
US-2017260475-A1 · Sep 14, 2017 · US
Marine diesel lubricating composition
US-2017247628-A1 · Aug 31, 2017 · US
Lubricating oil composition for an internal combustion engine
US-2017183601-A1 · Jun 29, 2017 · US
Acid-free quaternized nitrogen compounds and use thereof as additives in fuels and lubricants
US-2017145333-A1 · May 25, 2017 · US
High molecular weight imide containing quaternary ammonium salts
US-2017107438-A1 · Apr 20, 2017 · US
Amine terminated and hydroxyl terminated polyether dispersants
US-9624452-B2 · Apr 18, 2017 · US
Internal combustion engine lubricant
US-9617493-B2 · Apr 11, 2017 · US
High molecular weight amide/ester containing quaternary ammonium salts
US-2017096610-A1 · Apr 6, 2017 · US
Corrosion resistant lubricant
US-2017073611-A1 · Mar 16, 2017 · US
Method of improving vehicle transmission operation through use of specific lubricant compositions
US-2017015931-A1 · Jan 19, 2017 · US
Overbased friction modifiers and methods of use thereof
US-9512379-B2 · Dec 6, 2016 · US
Lubricating oil compositions with engine wear protection
US-9506009-B2 · Nov 29, 2016 · US
Additive compositions with a friction modifier and a dispersant
US-9499764-B2 · Nov 22, 2016 · US
Carboxylic pyrrolidinones and methods of use thereof
US-9481848-B2 · Nov 1, 2016 · US
Carboxylic pyrrolidinones and methods of use thereof
US-2016298051-A1 · Oct 13, 2016 · US
N-alkyl lactam ethers, and compositions and uses thereof
US-2016271254-A1 · Sep 22, 2016 · US
Method of lubricating an internal combustion engine
US-2016264908-A1 · Sep 15, 2016 · US
Silicon wafer processing solution and silicon wafer processing method
US-9441179-B2 · Sep 13, 2016 · US
Lubricating Oil Composition
US-2016257905-A1 · Sep 8, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C10M133/44?
- CPC C10M133/44 is the Cooperative Patent Classification code for “Five-membered ring containing nitrogen and carbon only.”
- How many patents are filed under CPC C10M133/44 (Five-membered ring containing nitrogen and carbon only)?
- Our database includes 230 publications tagged with this CPC code.
- Is patent activity under CPC C10M133/44 growing?
- Publication counts under this code: 16 in 2024 vs 11 in 2025 (latest complete years).