Pumped heat energy storage system using a conveyable solid thermal storage media
US-2017350658-A1 · Dec 7, 2017 · US
Mechanical Engineering
Mechanical Engineering · 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 | F02C6/14 |
| Official title | — |
| Display label | Mechanical Engineering (mapped technology topic) |
| Total patents | 398 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 16 |
| 2016 | 19 |
| 2017 | 28 |
| 2018 | 29 |
| 2019 | 42 |
| 2020 | 32 |
| 2021 | 46 |
| 2022 | 58 |
| 2023 | 49 |
| 2024 | 38 |
| 2025 | 34 |
| 2026 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Rapid assistance device for a free turbine engine of an aircraft
US-9828917-B2 · Nov 28, 2017 · US
Low pressure generator for gas turbine engine
US-2017335795-A1 · Nov 23, 2017 · US
Low pressure generator with electrical assembly for gas turbine engine
US-2017334377-A1 · Nov 23, 2017 · US
Gas turbine engines with flutter control
US-2017335713-A1 · Nov 23, 2017 · US
Pumped Thermal Storage Cycles with Recuperation
US-2017321967-A1 · Nov 9, 2017 · US
Method and device for generating electrical energy
US-9810103-B2 · Nov 7, 2017 · US
Electromagnetic anti-windmilling system
US-2017284302-A1 · Oct 5, 2017 · US
Supercritical fluid heat engine
US-2017254229-A1 · Sep 7, 2017 · US
Bowed rotor prevention system using waste heat
US-2017234166-A1 · Aug 17, 2017 · US
Rapid assistance device for a free turbine engine of an aircraft
US-2017226933-A1 · Aug 10, 2017 · US
Torsional Damping for Gas Turbine Engines
US-2017222518-A1 · Aug 3, 2017 · US
Hybrid Propulsion System
US-2017175565-A1 · Jun 22, 2017 · US
Method of managing a power demand for the operation of a pilotless aircraft equipped with an internal combustion engine
US-9677466-B2 · Jun 13, 2017 · US
Pumped Thermal Systems with Dedicated Compressor/Turbine Pairs
US-2017159498-A1 · Jun 8, 2017 · US
Methods of Hot and Cold Side Charging in Thermal Energy Storage Systems
US-2017159495-A1 · Jun 8, 2017 · US
Pumped Thermal and Energy Storage System Units with Pumped Thermal System and Energy Storage System Subunits
US-2017159500-A1 · Jun 8, 2017 · US
Hybrid Pumped Thermal Systems
US-2017159499-A1 · Jun 8, 2017 · US
Varying Compression Ratios in Energy Storage and Retrieval Systems
US-2017159496-A1 · Jun 8, 2017 · US
Pumped Thermal Systems with Variable Stator Pressure Ratio Control
US-2017159497-A1 · Jun 8, 2017 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02C6/14?
- CPC F02C6/14 is the Cooperative Patent Classification code for “Mechanical Engineering.”
- How many patents are filed under CPC F02C6/14 (Mechanical Engineering)?
- Our database includes 398 publications tagged with this CPC code.
- Is patent activity under CPC F02C6/14 growing?
- Publication counts under this code: 38 in 2024 vs 34 in 2025 (latest complete years).