Refrigeration cycle device
US-10500925-B2 · Dec 10, 2019 · US
Ejector-type refrigerant circuits
Ejector-type refrigerant circuits · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B60H2001/3298 |
| Official title | {Ejector-type refrigerant circuits} |
| Display label | Ejector-type refrigerant circuits |
| Total patents | 95 |
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 | 12 |
| 2016 | 15 |
| 2017 | 13 |
| 2018 | 9 |
| 2019 | 15 |
| 2020 | 6 |
| 2021 | 1 |
| 2022 | 4 |
| 2023 | 7 |
| 2024 | 8 |
| 2025 | 4 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Ejector-receiver refrigeration circuit with valve
US-10473370-B2 · Nov 12, 2019 · US
Ejector
US-2019338790-A1 · Nov 7, 2019 · US
Ejector refrigeration cycle device and low outside temperature operation thereof
US-10442274-B2 · Oct 15, 2019 · US
Air conditioning device for vehicle
US-10371420-B2 · Aug 6, 2019 · US
Ejector refrigeration cycle device
US-2019217684-A1 · Jul 18, 2019 · US
Ejector and refrigeration cycle apparatus having ejector
US-10345018-B2 · Jul 9, 2019 · US
Ejector-receiver refrigeration circuit with valve
US-2019178541-A1 · Jun 13, 2019 · US
Refigeration cycle device
US-2019111764-A1 · Apr 18, 2019 · US
Multi-zone transport refrigeration system with an ejector system
US-10254015-B2 · Apr 9, 2019 · US
Ejector-type refrigeration cycle
US-10179500-B2 · Jan 15, 2019 · US
Refrigeration cycle device
US-2018361828-A1 · Dec 20, 2018 · US
Refrigeration cycle device
US-10131203-B2 · Nov 20, 2018 · US
Multi-zone transport refrigeration system with an ejector system
US-2018245822-A1 · Aug 30, 2018 · US
Refrigeration cycle
US-10029538-B2 · Jul 24, 2018 · US
Ejector
US-10018386-B2 · Jul 10, 2018 · US
Ejector and refrigeration cycle apparatus having ejector
US-2018120004-A1 · May 3, 2018 · US
Ejector
US-9897354-B2 · Feb 20, 2018 · US
Ejector
US-9879887-B2 · Jan 30, 2018 · US
Ejector
US-9857102-B2 · Jan 2, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B60H2001/3298?
- CPC B60H2001/3298 is the Cooperative Patent Classification code for “Ejector-type refrigerant circuits.”
- How many patents are filed under CPC B60H2001/3298 (Ejector-type refrigerant circuits)?
- Our database includes 95 publications tagged with this CPC code.
- Is patent activity under CPC B60H2001/3298 growing?
- Publication counts under this code: 8 in 2024 vs 4 in 2025 (latest complete years).