Sealing assembly and gas turbine
US-2026078684-A1 · Mar 19, 2026 · US
Felt
Felt · 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 | F05D2300/613 |
| Official title | Felt |
| Display label | Felt |
| Total patents | 60 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 1 |
| 2017 | 9 |
| 2018 | 11 |
| 2019 | 5 |
| 2020 | 8 |
| 2021 | 4 |
| 2022 | 7 |
| 2023 | 4 |
| 2024 | 8 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Airfoil with sandwich composite
US-2024401487-A1 · Dec 5, 2024 · US
Turbine engine element comprising at least one blade obtained by additive manufacturing
US-2024384660-A1 · Nov 21, 2024 · US
System for an improved stator assembly
US-12091991-B2 · Sep 17, 2024 · US
Conduit bushing with cellular material
US-12071855-B2 · Aug 27, 2024 · US
Airfoil with sandwich composite
US-12006842-B1 · Jun 11, 2024 · US
Fused filament fabrication of abradable coatings
US-11976569-B2 · May 7, 2024 · US
Conduit bushing with cellular material
US-2024141802-A1 · May 2, 2024 · US
System for an Improved Stator Assembly
US-2024011405-A1 · Jan 11, 2024 · US
Components having composite laminate with co-cured chopped fibers
US-11719103-B1 · Aug 8, 2023 · US
System for an improved stator assembly
US-11643937-B2 · May 9, 2023 · US
Vibration damping system for turbine nozzle or blade using elongated body and wire mesh member
US-11634991-B1 · Apr 25, 2023 · US
Vibration damping system for turbine nozzle or blade using damper pins with wire mesh members 1HEREON
US-11572791-B1 · Feb 7, 2023 · US
Fairings for power generation machines
US-11527228-B2 · Dec 13, 2022 · US
Vibration damping system for turbine blade or nozzle, retention system therefor, and method of assembly
US-11519276-B1 · Dec 6, 2022 · US
Removal of contaminants from air for use in aircraft engines
US-11473464-B2 · Oct 18, 2022 · US
System for an improved stator assembly
US-2022259980-A1 · Aug 18, 2022 · US
System for an improved stator assembly
US-11352895-B2 · Jun 7, 2022 · US
Wire mesh brush seal windage cover
US-11300209-B2 · Apr 12, 2022 · US
Turbocharger
US-11231047-B2 · Jan 25, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F05D2300/613?
- CPC F05D2300/613 is the Cooperative Patent Classification code for “Felt.”
- How many patents are filed under CPC F05D2300/613 (Felt)?
- Our database includes 60 publications tagged with this CPC code.
- Is patent activity under CPC F05D2300/613 growing?
- Publication counts under this code: 4 in 2023 vs 8 in 2024 (latest complete years).