Multi-stage compression and component removal
US-11202987-B2 · Dec 21, 2021 · US
Cooling by a cooling jacket in the pump casing
Cooling by a cooling jacket in the pump casing · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F04B39/064 |
| Official title | {Cooling by a cooling jacket in the pump casing} |
| Display label | Cooling by a cooling jacket in the pump casing |
| Total patents | 92 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 5 |
| 2017 | 7 |
| 2018 | 5 |
| 2019 | 11 |
| 2020 | 11 |
| 2021 | 12 |
| 2022 | 13 |
| 2023 | 7 |
| 2024 | 8 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Motor housing for an electric compressor of an air conditioning system
US-11186177-B2 · Nov 30, 2021 · US
Linear compressor
US-11175079-B2 · Nov 16, 2021 · US
Heat dissipation assembly for a linear compressor
US-2021333023-A1 · Oct 28, 2021 · US
Structure, diaphragm-type compressor, cooler, projector, and method for manufacturing structure
US-11098704-B2 · Aug 24, 2021 · US
Pump cooling systems
US-11098718-B2 · Aug 24, 2021 · US
Compressor
US-2021215144-A1 · Jul 15, 2021 · US
Cryopump
US-2021190058-A1 · Jun 24, 2021 · US
Piston compressor with enlarged regulating region
US-11041490-B2 · Jun 22, 2021 · US
Pump assembly and high-pressure cleaning apparatus
US-2021138511-A1 · May 13, 2021 · US
Axial piston pump with piston having passive cooling thermal relief feature
US-2021095658-A1 · Apr 1, 2021 · US
Methods and systems for cooling a vacuum pump
US-2021033086-A1 · Feb 4, 2021 · US
System And Method For Multi-Level Vacuum Generation And Storage
US-2020325882-A1 · Oct 15, 2020 · US
Housing having a cylindrical insert sealed against the housing
US-10746166-B2 · Aug 18, 2020 · US
Reciprocating piston machine with cooling device
US-2020240403-A1 · Jul 30, 2020 · US
Cylindrical magnetic coupling with alternating polarity
US-2020240402-A1 · Jul 30, 2020 · US
Pump cooling systems
US-2020240414-A1 · Jul 30, 2020 · US
Compression device having connection unit for cooling unit
US-10677235-B2 · Jun 9, 2020 · US
Linear compressor
US-2020166254-A1 · May 28, 2020 · US
Multi-stage compression and component removal
US-2020122084-A1 · Apr 23, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F04B39/064?
- CPC F04B39/064 is the Cooperative Patent Classification code for “Cooling by a cooling jacket in the pump casing.”
- How many patents are filed under CPC F04B39/064 (Cooling by a cooling jacket in the pump casing)?
- Our database includes 92 publications tagged with this CPC code.
- Is patent activity under CPC F04B39/064 growing?
- Publication counts under this code: 8 in 2024 vs 3 in 2025 (latest complete years).