Inner disc-carrier for wet-type friction-clutch
US-11098768-B2 · Aug 24, 2021 · US
Spinning
Spinning · 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 | B21D22/14 |
| Official title | Spinning |
| Display label | Spinning |
| Total patents | 91 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 10 |
| 2017 | 10 |
| 2018 | 7 |
| 2019 | 11 |
| 2020 | 11 |
| 2021 | 8 |
| 2022 | 6 |
| 2023 | 7 |
| 2024 | 7 |
| 2025 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Spinning forming method
US-10882094-B2 · Jan 5, 2021 · US
Wheel spinning die and die releasing device
US-2020360980-A1 · Nov 19, 2020 · US
Spinning forming method
US-2020298299-A1 · Sep 24, 2020 · US
Wheel automatic closed die forging production line and aluminum alloy wheel
US-2020222971-A1 · Jul 16, 2020 · US
Cold-worked brake piston
US-2020182319-A1 · Jun 11, 2020 · US
Method of forming suction instrument end and shaver instrument end
US-2020178996-A1 · Jun 11, 2020 · US
Online cutting device for wheel spinning flash
US-2020147704-A1 · May 14, 2020 · US
Method of manufacturing preliminary formed body and axisymmetrical component
US-10632522-B2 · Apr 28, 2020 · US
Damper With Two-Piece Shell
US-2020124129-A1 · Apr 23, 2020 · US
Inner Disc-Carrier for Wet-Type Friction-Clutch
US-2020116208-A1 · Apr 16, 2020 · US
Spinning forming method and spinning forming apparatus
US-10549468-B2 · Feb 4, 2020 · US
Wheel rolling device
US-2020001348-A1 · Jan 2, 2020 · US
Joint processing method and dome member
US-10512985-B2 · Dec 24, 2019 · US
Forming machine, particularly ring-rolling machine
US-10507502-B2 · Dec 17, 2019 · US
Laminated foam product and methods for making laminated foam products
US-10500653-B2 · Dec 10, 2019 · US
On-line induction heating device for wheel blank
US-10499462-B2 · Dec 3, 2019 · US
Disc rotor, production apparatus therefor, roller, and disc rotor production method
US-2019301550-A1 · Oct 3, 2019 · US
Spinning forming device
US-10384253-B2 · Aug 20, 2019 · US
Spinning method and spinning apparatus
US-2019160509-A1 · May 30, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B21D22/14?
- CPC B21D22/14 is the Cooperative Patent Classification code for “Spinning.”
- How many patents are filed under CPC B21D22/14 (Spinning)?
- Our database includes 91 publications tagged with this CPC code.
- Is patent activity under CPC B21D22/14 growing?
- Publication counts under this code: 7 in 2024 vs 5 in 2025 (latest complete years).