Method of fabricating a reinforcing edge for a blade and reinforcing edge obtained by the method
US-10487671-B2 · Nov 26, 2019 · US
blades, e.g. for turbines; Upsetting of blade roots
blades, e.g. for turbines; Upsetting of blade roots · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B21K3/04 |
| Official title | blades, e.g. for turbines; Upsetting of blade roots |
| Display label | blades, e.g. for turbines; Upsetting of blade roots |
| Total patents | 96 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 13 |
| 2016 | 22 |
| 2017 | 6 |
| 2018 | 15 |
| 2019 | 11 |
| 2020 | 8 |
| 2021 | 4 |
| 2022 | 8 |
| 2023 | 3 |
| 2024 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Rework press assembly for component rework systems and methods of using the same
US-2019344522-A1 · Nov 14, 2019 · US
Process and apparatus for producing forged TiAl components
US-10385434-B2 · Aug 20, 2019 · US
Method for manufacturing components for gas turbine engines
US-10214794-B2 · Feb 26, 2019 · US
Method for the high-temperature shaping of a metal blade reinforcement
US-10155260-B2 · Dec 18, 2018 · US
Forging apparatus and method
US-2018333768-A1 · Nov 22, 2018 · US
Casting die
US-10124400-B2 · Nov 13, 2018 · US
METHOD FOR MANUFACTURING A TiAl BLADE OF A TURBINE ENGINE
US-2018304329-A1 · Oct 25, 2018 · US
Turbine blade manufacturing method
US-10105752-B2 · Oct 23, 2018 · US
Leading edge sheath manufacturing method
US-10081082-B2 · Sep 25, 2018 · US
Method for manufacturing blisk, and blisk intermediate product
US-2018250733-A1 · Sep 6, 2018 · US
Deep rolling tool and method
US-2018171447-A1 · Jun 21, 2018 · US
Centrifugal fan
US-9995311-B2 · Jun 12, 2018 · US
Method for manufacturing components for gas turbine engines
US-2018100210-A1 · Apr 12, 2018 · US
Manufacture of a rotor blade for a wind turbine
US-9931689-B2 · Apr 3, 2018 · US
Method for manufacturing turbine rotor blade
US-9919392-B2 · Mar 20, 2018 · US
Method for high temperature forging of a preformed metal part, and shaping equipment suitable for forging
US-2018043423-A1 · Feb 15, 2018 · US
Repair article of a gas turbine engine
US-9885240-B2 · Feb 6, 2018 · US
Method of making a metal reinforcing member for a blade of a turbine engine
US-9874103-B2 · Jan 23, 2018 · US
Titanium alloys and their methods of production
US-2017268091-A1 · Sep 21, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B21K3/04?
- CPC B21K3/04 is the Cooperative Patent Classification code for “blades, e.g. for turbines; Upsetting of blade roots.”
- How many patents are filed under CPC B21K3/04 (blades, e.g. for turbines; Upsetting of blade roots)?
- Our database includes 96 publications tagged with this CPC code.
- Is patent activity under CPC B21K3/04 growing?
- Publication counts under this code: 3 in 2023 vs 6 in 2024 (latest complete years).