Combustion device having a flameless combustion chamber, use of such a device and electricity production or energy cogeneration apparatus comprising such a device
US-2023392790-A1 · Dec 7, 2023 · US
Micromachines
Micromachines · 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 | F05D2250/82 |
| Official title | Micromachines |
| Display label | Micromachines |
| Total patents | 73 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2016 | 2 |
| 2017 | 2 |
| 2018 | 4 |
| 2019 | 5 |
| 2020 | 12 |
| 2021 | 9 |
| 2022 | 10 |
| 2023 | 16 |
| 2024 | 9 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Unitized manufacturing of a gas turbine engine
US-2023374915-A1 · Nov 23, 2023 · US
Combined integrated waste heat recovery and inlet pressure boost system
US-11824424-B2 · Nov 21, 2023 · US
Turbine thermal isolation system for micro-turbine alternator
US-2023313736-A1 · Oct 5, 2023 · US
Fuel feed passages for an attritable engine
US-11753994-B2 · Sep 12, 2023 · US
Ultra-micro gas turbine generator
US-2023272742-A1 · Aug 31, 2023 · US
Sectioned engine structure for a gas turbine engine
US-11732610-B2 · Aug 22, 2023 · US
Hybrid turbomachine for aircraft with an active acoustic control system
US-2023258129-A1 · Aug 17, 2023 · US
Engine article with integral liner and nozzle
US-2023241681-A1 · Aug 3, 2023 · US
Unitized manufacturing of a gas turbine engine
US-11713695-B2 · Aug 1, 2023 · US
Sectioned engine structure for a gas turbine engine
US-2023160323-A1 · May 25, 2023 · US
Additively manufactured gas turbine engine and ventilator
US-2023143187-A1 · May 11, 2023 · US
Turbine wheel and method of manufacturing the same
US-11629605-B2 · Apr 18, 2023 · US
Engine article with integral liner and nozzle
US-11612938-B2 · Mar 28, 2023 · US
Combined integrated waste heat recovery and inlet pressure boost system
US-2023081489-A1 · Mar 16, 2023 · US
Fuel feed passages for an attritable engine
US-2023041714-A1 · Feb 9, 2023 · US
Micro-turbine generator multi-stage turbine with interstage catalytic converter
US-11512606-B1 · Nov 29, 2022 · US
Fuel feed passages for an attritable engine
US-11465247-B2 · Oct 11, 2022 · US
Micro-turbine generator multi-stage turbine with integrated reheat cycle
US-11459945-B1 · Oct 4, 2022 · US
Nano-porous based thermal enclosure with heat removal
US-11441825-B2 · Sep 13, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F05D2250/82?
- CPC F05D2250/82 is the Cooperative Patent Classification code for “Micromachines.”
- How many patents are filed under CPC F05D2250/82 (Micromachines)?
- Our database includes 73 publications tagged with this CPC code.
- Is patent activity under CPC F05D2250/82 growing?
- Publication counts under this code: 9 in 2024 vs 4 in 2025 (latest complete years).