Turbine rotor blade and member of turbine rotor blade
US-2020277692-A1 · Sep 3, 2020 · US
Hardening; Annealing
Hardening; Annealing · 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 | F05D2230/41 |
| Official title | Hardening; Annealing |
| Display label | Hardening; Annealing |
| Total patents | 82 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 4 |
| 2017 | 10 |
| 2018 | 10 |
| 2019 | 18 |
| 2020 | 16 |
| 2021 | 7 |
| 2022 | 6 |
| 2023 | 2 |
| 2024 | 5 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Turbocharger
US-10746053-B2 · Aug 18, 2020 · US
Annulus filler
US-10746031-B2 · Aug 18, 2020 · US
Method for producing forged TiAl components
US-10737314-B2 · Aug 11, 2020 · US
Time lapse shooting apparatus and observation method
US-2020224663-A1 · Jul 16, 2020 · US
Methods for processing bonded dual alloy rotors including differential heat treatment processes
US-10669617-B2 · Jun 2, 2020 · US
Methods for processing bonded dual alloy rotors including differential heat treatment processes
US-2020140983-A1 · May 7, 2020 · US
Method for producing enhanced fatigue and tensile properties in integrally bladed rotor forgings
US-10633731-B2 · Apr 28, 2020 · US
Time lapse shooting apparatus and observation method
US-10634151-B2 · Apr 28, 2020 · US
Braze repair of turbomachine engine component
US-10625357-B2 · Apr 21, 2020 · US
Composite material vane with integrated aerodynamic covering element and manufacturing method thereof
US-10584603-B2 · Mar 10, 2020 · US
Method of treating superalloy articles
US-10556294-B2 · Feb 11, 2020 · US
Seal arrangement for a turbomachine and process for the production thereof
US-10544697-B2 · Jan 28, 2020 · US
Airfoil with improved coating system and methods of forming the same
US-2020024976-A1 · Jan 23, 2020 · US
Method for tight control of bolt holes in fan assembly
US-2020011348-A1 · Jan 9, 2020 · US
Slurry-based methods for forming a bond coat and articles formed by the methods
US-2019375689-A1 · Dec 12, 2019 · US
Method for tight control of bolt holes in fan assembly
US-10502235-B2 · Dec 10, 2019 · US
Braze repair of turbomachine engine component
US-2019337073-A1 · Nov 7, 2019 · US
Fan motor
US-10436205-B2 · Oct 8, 2019 · US
Turbine component with a thin interior partition
US-2019292920-A1 · Sep 26, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F05D2230/41?
- CPC F05D2230/41 is the Cooperative Patent Classification code for “Hardening; Annealing.”
- How many patents are filed under CPC F05D2230/41 (Hardening; Annealing)?
- Our database includes 82 publications tagged with this CPC code.
- Is patent activity under CPC F05D2230/41 growing?
- Publication counts under this code: 2 in 2023 vs 5 in 2024 (latest complete years).