Bond fixture composite splice fairing assembly
US-10456823-B2 · Oct 29, 2019 · US
propeller blades; turbine blades
propeller blades; turbine blades · 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 | B21D53/78 |
| Official title | propeller blades; turbine blades |
| Display label | propeller blades; turbine blades |
| Total patents | 115 |
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 | 16 |
| 2016 | 18 |
| 2017 | 9 |
| 2018 | 14 |
| 2019 | 16 |
| 2020 | 19 |
| 2021 | 9 |
| 2022 | 5 |
| 2023 | 4 |
| 2024 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Blades and vanes for gas turbine engines and the manufacture thereof
US-2019101003-A1 · Apr 4, 2019 · US
Manufacturing assembly and method
US-2019001449-A1 · Jan 3, 2019 · US
Method for the high-temperature shaping of a metal blade reinforcement
US-10155260-B2 · Dec 18, 2018 · US
Apparatus and method for manufacturing blade
US-10137487-B2 · Nov 27, 2018 · US
Leading edge sheath manufacturing method
US-10081082-B2 · Sep 25, 2018 · US
Method for producing a protective reinforcement for a blade (p) having a curved leading edge or trailing edge
US-2018257185-A1 · Sep 13, 2018 · US
Turbine blades having damper pin slot features and methods of fabricating the same
US-2018230820-A1 · Aug 16, 2018 · US
Method for creating a metal reinforcement with insert for protecting a leading edge made of composite
US-9963971-B2 · May 8, 2018 · US
Method of making an aerofoil cladding body
US-9956653-B2 · May 1, 2018 · US
Method for producing drilled cooling holes in a gas turbine engine component
US-2018099360-A1 · Apr 12, 2018 · US
Forming process for hot forming a steel sheet of a rotor blade to be produced for a wind energy plant
US-9925626-B2 · Mar 27, 2018 · US
Blade for axial compressor rotor
US-9908170-B2 · Mar 6, 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
Superplastic forming
US-2018045217-A1 · Feb 15, 2018 · US
Bond fixture composite splice fairing assembly
US-2018043418-A1 · Feb 15, 2018 · US
Method of making a metal reinforcing member for a blade of a turbine engine
US-9874103-B2 · Jan 23, 2018 · US
Datum positioning in dies
US-2017356307-A1 · Dec 14, 2017 · US
Method of forming an inflated aerofoil
US-9790800-B2 · Oct 17, 2017 · US
Optimized method and device for crimping attachment of an abradable piece support to a radially inner wall of a vane sector of a turbomachine
US-2017282311-A1 · Oct 5, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B21D53/78?
- CPC B21D53/78 is the Cooperative Patent Classification code for “propeller blades; turbine blades.”
- How many patents are filed under CPC B21D53/78 (propeller blades; turbine blades)?
- Our database includes 115 publications tagged with this CPC code.
- Is patent activity under CPC B21D53/78 growing?
- Publication counts under this code: 4 in 2023 vs 5 in 2024 (latest complete years).