Fluid working systems
US-11655816-B2 · May 23, 2023 · US
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Foam
Foam · 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 | F05C2253/14 |
| Official title | Foam |
| Display label | Foam |
| Total patents | 20 |
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 | 2 |
| 2016 | 1 |
| 2017 | 3 |
| 2019 | 4 |
| 2020 | 6 |
| 2022 | 3 |
| 2023 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Fluid working systems
US-11499552-B2 · Nov 15, 2022 · US
Thermal and sound optimized lattice-cored additive manufactured compressor components
US-11448221-B2 · Sep 20, 2022 · US
Lattice-cored additive manufactured compressor components with fluid delivery features
US-11248595-B2 · Feb 15, 2022 · US
Thermal and sound optimized lattice-cored additive manufactured compressor components
US-2020217321-A1 · Jul 9, 2020 · US
Aluminum foam core piston with coaxial laser bonded aerogel/ceramic head
US-2020141349-A1 · May 7, 2020 · US
Lattice-cored additive manufactured compressor components with fluid delivery features
US-2020141399-A1 · May 7, 2020 · US
Thermal and sound optimized lattice-cored additive manufactured compressor components
US-10634143-B2 · Apr 28, 2020 · US
Lattice-cored additive manufactured compressor components with fluid delivery features
US-10557464-B2 · Feb 11, 2020 · US
Aluminum foam core piston with coaxial laser bonded aerogel/ceramic head
US-10544752-B2 · Jan 28, 2020 · US
Noise attenuation in a Venturi device and/or check valves
US-10519984-B2 · Dec 31, 2019 · US
Cylinder head of an internal combustion engine
US-10487771-B2 · Nov 26, 2019 · US
Cylinder head of an internal combustion engine
US-2019218995-A1 · Jul 18, 2019 · US
Aluminum foam core piston with coaxial laser bonded aerogel/ceramic head
US-2019017465-A1 · Jan 17, 2019 · US
Lattice-cored additive manufactured compressor components with fluid delivery features
US-2017184086-A1 · Jun 29, 2017 · US
Thermal and sound optimized lattice-cored additive manufactured compressor components
US-2017184108-A1 · Jun 29, 2017 · US
Porous oil flow controller
US-2017022984-A1 · Jan 26, 2017 · US
Fluid working systems
US-2016327038-A1 · Nov 10, 2016 · US
Noise attenuation in a venturi device and/or check valves
US-2015354726-A1 · Dec 10, 2015 · US
Rotor blade for a wind turbine and a method for making the same
US-9068559-B2 · Jun 30, 2015 · US