Conveying Device for a Fuel Cell Assembly for Conveying and/or Recirculating a Gaseous Medium
US-2020365918-A1 · Nov 19, 2020 · US
Installations characterised by use of jet pumps, e.g. combinations of two or more jet pumps of different type
Installations characterised by use of jet pumps, e.g. combinations of two or more jet pumps of different type · 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 | F04F5/54 |
| Official title | Installations characterised by use of jet pumps, e.g. combinations of two or more jet pumps of different type |
| Display label | Installations characterised by use of jet pumps, e.g. combinations of two or more jet pumps of different type |
| Total patents | 115 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 12 |
| 2016 | 13 |
| 2017 | 9 |
| 2018 | 12 |
| 2019 | 9 |
| 2020 | 15 |
| 2021 | 4 |
| 2022 | 13 |
| 2023 | 9 |
| 2024 | 11 |
| 2025 | 6 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Reciprocating pump systems
US-2020355173-A1 · Nov 12, 2020 · US
Jet pump unit comprising a metering valve, for controlling a gaseous medium
US-2020280079-A1 · Sep 3, 2020 · US
Fuel vapor processing apparatus
US-10760534-B2 · Sep 1, 2020 · US
Method and apparatus for purifying gas
US-2020078730-A1 · Mar 12, 2020 · US
Noise attenuation in a Venturi device and/or check valves
US-10519984-B2 · Dec 31, 2019 · US
Fuel system having a jet pump
US-10495039-B2 · Dec 3, 2019 · US
Method and apparatus for repairing a jet pump slip joint
US-10458578-B2 · Oct 29, 2019 · US
Method and system for air management of aircraft systems
US-10364831-B2 · Jul 30, 2019 · US
Jet pump for turbomachine lubrication chamber depressurization circuit
US-10316863-B2 · Jun 11, 2019 · US
Ejector
US-2019107124-A1 · Apr 11, 2019 · US
Ejector arrangement
US-10253788-B2 · Apr 9, 2019 · US
Fuel Vapor Processing Apparatus
US-2019048830-A1 · Feb 14, 2019 · US
Ejector and ejector-type refrigeration cycle
US-10184704-B2 · Jan 22, 2019 · US
Blower device for delivering an amplified rate air flow and modular cooling unit
US-2018347833-A1 · Dec 6, 2018 · US
Fuel System Having a Jet Pump
US-2018283331-A1 · Oct 4, 2018 · US
Common vacuum header for cvi/cvd furnaces
US-2018274615-A1 · Sep 27, 2018 · US
Method and system for a short length jet pump with improved mixing
US-10029218-B2 · Jul 24, 2018 · US
Vacuum creation system having an ejector, pneumatic control valve and optionally an aspirator
US-10024339-B2 · Jul 17, 2018 · US
Method and apparatus for a BWR jet pump inlet mixer compliant stop
US-10024338-B2 · Jul 17, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F04F5/54?
- CPC F04F5/54 is the Cooperative Patent Classification code for “Installations characterised by use of jet pumps, e.g. combinations of two or more jet pumps of different type.”
- How many patents are filed under CPC F04F5/54 (Installations characterised by use of jet pumps, e.g. combinations of two or more jet pumps of different type)?
- Our database includes 115 publications tagged with this CPC code.
- Is patent activity under CPC F04F5/54 growing?
- Publication counts under this code: 11 in 2024 vs 6 in 2025 (latest complete years).