Compression device, installation, filling station and method using such a device
US-12180947-B2 · Dec 31, 2024 · US
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for liquids near their boiling point, e.g. under subnormal pressure
for liquids near their boiling point, e.g. under subnormal pressure · 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 | F04B15/06 |
| Official title | for liquids near their boiling point, e.g. under subnormal pressure |
| Display label | for liquids near their boiling point, e.g. under subnormal pressure |
| Total patents | 24 |
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 | 1 |
| 2016 | 5 |
| 2017 | 2 |
| 2018 | 4 |
| 2019 | 6 |
| 2020 | 2 |
| 2021 | 2 |
| 2023 | 1 |
| 2024 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Compression device, installation, filling station and method using such a device
US-2023067385-A1 · Mar 2, 2023 · US
High-pressure pump
US-11092112-B2 · Aug 17, 2021 · US
Method for increasing pump net positive suction head
US-2021199245-A1 · Jul 1, 2021 · US
Fuel pump with improved delivery properties
US-10619628-B2 · Apr 14, 2020 · US
Liquid supply system
US-2020032785-A1 · Jan 30, 2020 · US
High-pressure pump
US-2019376472-A1 · Dec 12, 2019 · US
Reciprocating pushrod assembly and cryogenic pump
US-10495083-B2 · Dec 3, 2019 · US
Liquid carbon dioxide delivery pump, and supercritical fluid chromatograph provided with the same
US-10451049-B2 · Oct 22, 2019 · US
Carbon dioxide liquid phase forming using high volume head displacement
US-10386341-B2 · Aug 20, 2019 · US
Method and apparatus for metering and vaporizing a fluid
US-10344747-B2 · Jul 9, 2019 · US
Check valve with improved response time
US-10274094-B2 · Apr 30, 2019 · US
Reciprocating pushrod assembly and cryogenic pump
US-2018347560-A1 · Dec 6, 2018 · US
Cryogenic pump system
US-2018266405-A1 · Sep 20, 2018 · US
Cryogenic pump with insulating arrangement
US-9995290-B2 · Jun 12, 2018 · US
System having a first electric motor and a second electric motor for driving a string
US-9973117-B2 · May 15, 2018 · US
Fuel pump with improved delivery properties
US-2017268469-A1 · Sep 21, 2017 · US
Method and Apparatus for Metering and Vaporizing a Fluid
US-2017173579-A1 · Jun 22, 2017 · US
Liquid carbon dioxide delivery pump, and supercritical fluid chromatograph provided with the same
US-2016274071-A1 · Sep 22, 2016 · US
Pump for supplying cryogenic coolant
US-9435323-B2 · Sep 6, 2016 · US