Refrigerator oil composition and mixed composition for refrigerator
US-12577448-B2 · Mar 17, 2026 · US
Epoxides
Epoxides · 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 | C10M129/18 |
| Official title | Epoxides |
| Display label | Epoxides |
| Total patents | 46 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 3 |
| 2017 | 7 |
| 2018 | 2 |
| 2019 | 5 |
| 2020 | 4 |
| 2021 | 2 |
| 2022 | 5 |
| 2023 | 3 |
| 2024 | 5 |
| 2025 | 3 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Refrigerator oil composition and mixed composition for refrigerator
US-12570917-B2 · Mar 10, 2026 · US
Heat source machine, operation method of the same, and refrigerating machine oil for heat source machine
US-2025230376-A1 · Jul 17, 2025 · US
Multiphase composite lubricant
US-12312551-B2 · May 27, 2025 · US
Refrigerator oil composition and mixed composition for refrigerator
US-2025084295-A1 · Mar 13, 2025 · US
Refrigerator oil composition and mixed composition for refrigerator
US-2024309285-A1 · Sep 19, 2024 · US
Working fluid composition for refrigerator, refrigerator oil and refrigerator
US-12091606-B2 · Sep 17, 2024 · US
Refrigerant compressor with wear sleeve and lubricant blends for handling debris-laden fluids
US-12044449-B2 · Jul 23, 2024 · US
Multiphase composite lubricant
US-2024093112-A1 · Mar 21, 2024 · US
Refrigerator oil composition and mixed composition for refrigerator
US-2024093120-A1 · Mar 21, 2024 · US
Refrigerant compressor with wear sleeve and lubricant blends for handling debris-laden fluids
US-2023384002-A1 · Nov 30, 2023 · US
Phenol derivative, and preparation process and use thereof
US-11787757-B2 · Oct 17, 2023 · US
Stabilizer compositions and stabilized heat transfer compositions, methods and systems
US-2023033281-A1 · Feb 2, 2023 · US
Lubricating oil composition for refrigerators
US-2022364007-A1 · Nov 17, 2022 · US
Working fluid composition for refrigerator, refrigerator oil and refrigerator
US-2022332996-A1 · Oct 20, 2022 · US
Refrigerator oil
US-11453839-B2 · Sep 27, 2022 · US
Phenol derivative, and preparation process and use thereof
US-2022041535-A1 · Feb 10, 2022 · US
Epoxidized alpha olefin based lubricant for water-based drilling fluids
US-11214724-B1 · Jan 4, 2022 · US
Refrigerator oil
US-2021324295-A1 · Oct 21, 2021 · US
Refrigerator oil composition
US-2021095222-A1 · Apr 1, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C10M129/18?
- CPC C10M129/18 is the Cooperative Patent Classification code for “Epoxides.”
- How many patents are filed under CPC C10M129/18 (Epoxides)?
- Our database includes 46 publications tagged with this CPC code.
- Is patent activity under CPC C10M129/18 growing?
- Publication counts under this code: 5 in 2024 vs 3 in 2025 (latest complete years).