Constant-volume combustion system comprising a rotating closure element with segmented apertures
US-11168610-B2 · Nov 9, 2021 · US
for radial admission
for radial admission · 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 | F01D9/048 |
| Official title | {for radial admission} |
| Display label | for radial admission |
| Total patents | 100 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 7 |
| 2017 | 5 |
| 2018 | 15 |
| 2019 | 8 |
| 2020 | 14 |
| 2021 | 9 |
| 2022 | 9 |
| 2023 | 10 |
| 2024 | 11 |
| 2025 | 6 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Turbine and turbocharger including the same
US-11118501-B2 · Sep 14, 2021 · US
Diffuser-deswirler for a gas turbine engine
US-11098601-B2 · Aug 24, 2021 · US
Downstream turbine vane cooling for a gas turbine engine
US-11021981-B2 · Jun 1, 2021 · US
Constant-volume combustion system comprising a rotating closure element with segmented apertures
US-2021156302-A1 · May 27, 2021 · US
Variable nozzle mechanism and rotating machine including the same
US-10995629-B2 · May 4, 2021 · US
Turbine and turbocharger including the same
US-2021087969-A1 · Mar 25, 2021 · US
Diffuser with exhaust shroud
US-2021071536-A1 · Mar 11, 2021 · US
Turbocharger, nozzle vane for turbocharger, and turbine
US-10851797-B2 · Dec 1, 2020 · US
Blade outer air seal with non-linear response
US-10822964-B2 · Nov 3, 2020 · US
Turbocharger
US-2020309021-A1 · Oct 1, 2020 · US
Inter-compressor flow divider profiling
US-10781705-B2 · Sep 22, 2020 · US
Method for making a twin-vaned nozzle ring assembly for a turbocharger with twin-scroll turbine housing for directing exhaust gases from each scroll onto turbine wheel in interleaved fashion
US-2020291808-A1 · Sep 17, 2020 · US
A diffuser-deswirler for a gas turbine engine
US-2020248571-A1 · Aug 6, 2020 · US
Diffuser-deswirler for a gas turbine engine
US-10718222-B2 · Jul 21, 2020 · US
Engine article with integral liner and nozzle
US-2020182467-A1 · Jun 11, 2020 · US
Gas turbine with a radial-to-axial intake, variable-angle inlet guide vane therefore, and method of operation
US-10677078-B2 · Jun 9, 2020 · US
Inter-compressor flow divider profiling
US-2020165924-A1 · May 28, 2020 · US
Blade outer air seal with non-linear response
US-2020149417-A1 · May 14, 2020 · US
Tangential on-board injector (tobi) assembly
US-2020141241-A1 · May 7, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F01D9/048?
- CPC F01D9/048 is the Cooperative Patent Classification code for “for radial admission.”
- How many patents are filed under CPC F01D9/048 (for radial admission)?
- Our database includes 100 publications tagged with this CPC code.
- Is patent activity under CPC F01D9/048 growing?
- Publication counts under this code: 11 in 2024 vs 6 in 2025 (latest complete years).