System and method for inserting i-pins into a stator or rotor winding assembly
US-2024356418-A1 · Oct 24, 2024 · US
helically
helically · 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 | B21F3/02 |
| Official title | helically |
| Display label | helically |
| Total patents | 90 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 3 |
| 2017 | 13 |
| 2018 | 5 |
| 2019 | 2 |
| 2020 | 9 |
| 2021 | 7 |
| 2022 | 5 |
| 2023 | 8 |
| 2024 | 14 |
| 2025 | 12 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Apparatus for bending and expanding hairpins of hairpin motor of electric vehicle
US-2023421030-A1 · Dec 28, 2023 · US
Balance spring for a horological movement
US-11851737-B2 · Dec 26, 2023 · US
Production device for producing a coil of an electric machine
US-2023369950-A1 · Nov 16, 2023 · US
Automatic installation machine for an installation tool for a wire thread insert, and installation method
US-2023226673-A1 · Jul 20, 2023 · US
Stator of electric motor and manufacturing method for stator of electric motor
US-2023216364-A1 · Jul 6, 2023 · US
Raw material for metal porous body and metal porous body
US-11590570-B2 · Feb 28, 2023 · US
Device and method for shaping wire ends in a circumferential direction
US-11462976-B2 · Oct 4, 2022 · US
Spiral spring for a horological movement
US-2022298611-A1 · Sep 22, 2022 · US
Spiral spring for a horological movement
US-2022298610-A1 · Sep 22, 2022 · US
Method for preventing shape changes in metal coils, in particualr for preventing a collapsing of newly wound hot coils
US-2022184687-A1 · Jun 16, 2022 · US
Methods for manufacturing a spring, a spring brake, and a spring brake comprising a spring
US-11292048-B2 · Apr 5, 2022 · US
Manufacture of steerable delivery devices
US-2021379335-A1 · Dec 9, 2021 · US
Coiling machine, method for manufacturing coil spring, and coil spring
US-2021323047-A1 · Oct 21, 2021 · US
Coil spring
US-11131356-B2 · Sep 28, 2021 · US
Balance-spring for horological movement and method for manufacturing same
US-2021200153-A1 · Jul 1, 2021 · US
Raw material for metal porous body and metal porous body
US-2021023623-A1 · Jan 28, 2021 · US
Aneurysm treatment coils
US-10893868-B2 · Jan 19, 2021 · US
Wire thread insert with redressable mounting tang as well as its manufacturing and installation
US-10883527-B2 · Jan 5, 2021 · US
Device and method for shaping wire ends in a circumferential direction
US-2020395825-A1 · Dec 17, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B21F3/02?
- CPC B21F3/02 is the Cooperative Patent Classification code for “helically.”
- How many patents are filed under CPC B21F3/02 (helically)?
- Our database includes 90 publications tagged with this CPC code.
- Is patent activity under CPC B21F3/02 growing?
- Publication counts under this code: 14 in 2024 vs 12 in 2025 (latest complete years).