Refrigerant compressor and refrigeration device including refrigerant compressor
US-10865782-B2 · Dec 15, 2020 · US
comprising compounds containing carbon and hydrogen only
comprising compounds containing carbon and hydrogen 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 | C09K5/042 |
| Official title | {comprising compounds containing carbon and hydrogen only} |
| Display label | comprising compounds containing carbon and hydrogen only |
| Total patents | 125 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 9 |
| 2017 | 7 |
| 2018 | 11 |
| 2019 | 13 |
| 2020 | 15 |
| 2021 | 6 |
| 2022 | 7 |
| 2023 | 13 |
| 2024 | 15 |
| 2025 | 19 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for operating a refrigeration system and assembly of a refrigeration system
US-10858560-B2 · Dec 8, 2020 · US
Information processing apparatus, information processing method, and information processing program
US-2020309722-A1 · Oct 1, 2020 · US
Deep freezer
US-10782048-B2 · Sep 22, 2020 · US
Compositions comprising 1,1-difluoroethene (R-1132A)
US-10767913-B2 · Sep 8, 2020 · US
Adaptive R744 minimum quantity cooling lubrication system
US-10759014-B2 · Sep 1, 2020 · US
Ternary natural refrigerant mixture that improves the energy efficiency of a refrigeration system
US-10712073-B2 · Jul 14, 2020 · US
Refrigerator oil and working fluid composition for refrigerator
US-2020199476-A1 · Jun 25, 2020 · US
Refrigerating machine oil, and working fluid composition for refrigerating machines
US-10626344-B2 · Apr 21, 2020 · US
Compositions comprising 1,1-difluoroethene (R-1132A)
US-10571172-B2 · Feb 25, 2020 · US
Use of biodegradable hydrocarbon fluids as heat-transfer media
US-2020048522-A1 · Feb 13, 2020 · US
Compositions comprising 1,1-difluoroethene (r-1132a)
US-2019368794-A1 · Dec 5, 2019 · US
Compositions comprising 1,1-difluoroethene (r-1132a)
US-2019353411-A1 · Nov 21, 2019 · US
Process and plant for the purification of raw gases by means of physical gas scrubbing
US-10464012-B2 · Nov 5, 2019 · US
Low gwp cascade refrigeration system
US-2019331366-A1 · Oct 31, 2019 · US
Refrigeration oil and refrigeration oil composition
US-2019241827-A1 · Aug 8, 2019 · US
Compositions comprising 1,1-difluoroethene (R-1132A)
US-10371425-B2 · Aug 6, 2019 · US
Refrigerating machine oil and composition for refrigerating machines
US-2019233759-A1 · Aug 1, 2019 · US
Heat transfer compositions, methods, and systems
US-2019233698-A1 · Aug 1, 2019 · US
Refrigerant additives and compositions
US-2019218439-A1 · Jul 18, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C09K5/042?
- CPC C09K5/042 is the Cooperative Patent Classification code for “comprising compounds containing carbon and hydrogen only.”
- How many patents are filed under CPC C09K5/042 (comprising compounds containing carbon and hydrogen only)?
- Our database includes 125 publications tagged with this CPC code.
- Is patent activity under CPC C09K5/042 growing?
- Publication counts under this code: 15 in 2024 vs 19 in 2025 (latest complete years).