Combustor tile for a combustor of a gas turbine engine
US-2020348024-A1 · Nov 5, 2020 · US
Toroidal combustion chambers
Toroidal combustion chambers · 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 | F23R3/52 |
| Official title | Toroidal combustion chambers |
| Display label | Toroidal combustion chambers |
| Total patents | 116 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 3 |
| 2017 | 13 |
| 2018 | 13 |
| 2019 | 15 |
| 2020 | 9 |
| 2021 | 9 |
| 2022 | 13 |
| 2023 | 7 |
| 2024 | 18 |
| 2025 | 7 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Micro-turbine gas generator and propulsive system
US-2020300166-A1 · Sep 24, 2020 · US
Turbine scroll assembly for gas turbine engine
US-2020182471-A1 · Jun 11, 2020 · US
Involute Trapped Vortex Combustor Assembly
US-2020158342-A1 · May 21, 2020 · US
Turbine scroll assembly for gas turbine engine
US-10655859-B2 · May 19, 2020 · US
Hybrid combustor assembly and method of operation
US-10641169-B2 · May 5, 2020 · US
Combustor for use in a turbine engine
US-10641490-B2 · May 5, 2020 · US
Gas turbine engine afterburner
US-10634352-B2 · Apr 28, 2020 · US
Fuel injector for a turbine engine
US-10563586-B2 · Feb 18, 2020 · US
Volute combustor for gas turbine engine
US-10502424-B2 · Dec 10, 2019 · US
System and method having annular flow path architecture
US-10465907-B2 · Nov 5, 2019 · US
Combustion chamber arrangement and a gas turbine engine comprising a combustion chamber arrangement
US-2019323355-A1 · Oct 24, 2019 · US
Combustor assembly
US-10429070-B2 · Oct 1, 2019 · US
Micro-turbine gas generator and propulsive system
US-2019153948-A1 · May 23, 2019 · US
Gas turbine engine and annular combustor with swirler
US-10295191-B2 · May 21, 2019 · US
Combustor assembly
US-10281153-B2 · May 7, 2019 · US
Gas turbine assemblies and methods
US-2019093891-A1 · Mar 28, 2019 · US
Trapped vortex combustor and method for operating the same
US-2019086092-A1 · Mar 21, 2019 · US
Combustor assembly
US-10228136-B2 · Mar 12, 2019 · US
Combustor assembly for a gas turbine engine
US-10222065-B2 · Mar 5, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F23R3/52?
- CPC F23R3/52 is the Cooperative Patent Classification code for “Toroidal combustion chambers.”
- How many patents are filed under CPC F23R3/52 (Toroidal combustion chambers)?
- Our database includes 116 publications tagged with this CPC code.
- Is patent activity under CPC F23R3/52 growing?
- Publication counts under this code: 18 in 2024 vs 7 in 2025 (latest complete years).