Deposition prevention by sweep gas
US-10465995-B1 · Nov 5, 2019 · US
using molten salts or liquid metals
using molten salts or liquid metals · 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 | F28D2020/0047 |
| Official title | {using molten salts or liquid metals} |
| Display label | using molten salts or liquid metals |
| Total patents | 127 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 11 |
| 2017 | 22 |
| 2018 | 9 |
| 2019 | 18 |
| 2020 | 5 |
| 2021 | 9 |
| 2022 | 8 |
| 2023 | 13 |
| 2024 | 11 |
| 2025 | 14 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Pumped thermal storage cycles with recuperation
US-10458721-B2 · Oct 29, 2019 · US
Varying compression ratios in energy storage and retrieval systems
US-10458283-B2 · Oct 29, 2019 · US
Methods of hot and cold side charging in thermal energy storage systems
US-10443452-B2 · Oct 15, 2019 · US
Pumped thermal systems with dedicated compressor/turbine pairs
US-10428693-B2 · Oct 1, 2019 · US
Pumped thermal and energy storage system units with pumped thermal system and energy storage system subunits
US-10428694-B2 · Oct 1, 2019 · US
Pumped thermal systems with variable stator pressure ratio control
US-10422250-B2 · Sep 24, 2019 · US
In-situ reactive absorption for equilibrium-shifting of non-condensable gases
US-2019233703-A1 · Aug 1, 2019 · US
Hybrid Pumped Thermal Systems
US-2019212070-A1 · Jul 11, 2019 · US
Method for removing gas from high-temperature heat-transfer fluids in solar thermal power plants
US-2019178533-A1 · Jun 13, 2019 · US
Varying Compression Ratios in Energy Storage and Retrieval Systems
US-2019153901-A9 · May 23, 2019 · US
Hybrid pumped thermal systems
US-10288357-B2 · May 14, 2019 · US
Device and method for storing heat
US-10168105-B2 · Jan 1, 2019 · US
Heat storage material for the high-temperature range and method for the production thereof
US-2018347912-A1 · Dec 6, 2018 · US
Heat transfer device
US-10126071-B2 · Nov 13, 2018 · US
Modular molten salt solar towers with thermal storage for process or power generation or cogeneration
US-10113536-B2 · Oct 30, 2018 · US
Method of improving nitrate salt compositions by means of nitric acid for use as heat transfer medium or heat storage medium
US-10011754-B2 · Jul 3, 2018 · US
Systems and methods for energy storage and retrieval
US-10012448-B2 · Jul 3, 2018 · US
Container for storing a liquid, and use thereof
US-2018112929-A1 · Apr 26, 2018 · US
Thermoelectric energy storage system with an intermediate storage tank and method for storing thermoelectric energy
US-9915478-B2 · Mar 13, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F28D2020/0047?
- CPC F28D2020/0047 is the Cooperative Patent Classification code for “using molten salts or liquid metals.”
- How many patents are filed under CPC F28D2020/0047 (using molten salts or liquid metals)?
- Our database includes 127 publications tagged with this CPC code.
- Is patent activity under CPC F28D2020/0047 growing?
- Publication counts under this code: 11 in 2024 vs 14 in 2025 (latest complete years).