Oxidation reactor for solid solar thermochemical fuel
US-2025270464-A1 · Aug 28, 2025 · US
This page is not indexed by search engines while we improve data quality.
the particulate material moving by gravity, e.g. down a tube
the particulate material moving by gravity, e.g. down a tube · 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 | F28C3/14 |
| Official title | the particulate material moving by gravity, e.g. down a tube |
| Display label | the particulate material moving by gravity, e.g. down a tube |
| Total patents | 16 |
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 | 2 |
| 2017 | 3 |
| 2018 | 2 |
| 2019 | 4 |
| 2020 | 2 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Pumped heat energy storage system with convey able solid thermal storage media directly thermally coupled to working fluid
US-10775111-B2 · Sep 15, 2020 · US
Slurry droplet melting heat exchange
US-10533812-B2 · Jan 14, 2020 · US
Air cooling day cycle-based processing and systems
US-10488120-B2 · Nov 26, 2019 · US
Sorption module
US-10488094-B2 · Nov 26, 2019 · US
Pumped heat energy storage system with conveyable solid thermal storage media directly thermally coupled to working fluid
US-2019162482-A1 · May 30, 2019 · US
Slurry Droplet Melting Heat Exchange
US-2019093967-A1 · Mar 28, 2019 · US
Air cooling day cycle-based processing and systems
US-2018231331-A1 · Aug 16, 2018 · US
Hybrid indirect/direct contactor for thermal management of counter-current processes
US-9920964-B2 · Mar 20, 2018 · US
Sorption module
US-2017343262-A1 · Nov 30, 2017 · US
Control valve and control valve system for controlling solids flow, methods of manufacture thereof and articles comprising the same
US-9617087-B2 · Apr 11, 2017 · US
Orifice plate for controlling solids flow, methods of use thereof and articles comprising the same
US-9557115-B2 · Jan 31, 2017 · US
Reactive solid/heat-transport gas reactor including a helical duct in which the solid and the gas flow in opposite directions
US-9513068-B2 · Dec 6, 2016 · US
Gas slide heat exchanger
US-2016054064-A1 · Feb 25, 2016 · US
Hybrid Indirect/Direct Contactor for Thermal Management of Counter-Current Processes
US-2015330676-A1 · Nov 19, 2015 · US
Methods and systems for coding synthesis gas
US-2015196885-A1 · Jul 16, 2015 · US