Hairpin coil flattening control system and method therefor
US-12589421-B2 · Mar 31, 2026 · US
by means of press-type tooling
by means of press-type tooling · 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 | B21F1/004 |
| Official title | {by means of press-type tooling} |
| Display label | by means of press-type tooling |
| Total patents | 54 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 2 |
| 2017 | 3 |
| 2019 | 2 |
| 2020 | 3 |
| 2021 | 8 |
| 2022 | 9 |
| 2023 | 6 |
| 2024 | 11 |
| 2025 | 7 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Cable bending system
US-12472551-B2 · Nov 18, 2025 · US
Method of inserting a hairpin
US-12463512-B2 · Nov 4, 2025 · US
Portable electric power tool for bending elongate objects
US-2025326019-A1 · Oct 23, 2025 · US
Irregularly-shaped die and method for producing irregularly-shaped wire
US-2025235923-A1 · Jul 24, 2025 · US
Reinforced working channel tube
US-2025072736-A1 · Mar 6, 2025 · US
Battery Manufacturing Apparatus and Manufacturing Method of the Battery
US-2025046959-A1 · Feb 6, 2025 · US
Method and device for the alignment of conductive elements of inductive windings
US-2025007368-A1 · Jan 2, 2025 · US
Hairpin type stator coil forming method
US-12184134-B2 · Dec 31, 2024 · US
Device for the alignment of conductive elements
US-2024421671-A1 · Dec 19, 2024 · US
Battery manufacturing device and manufacturing method of battery
US-12125962-B2 · Oct 22, 2024 · US
Method and device for producing at least one wire blank bent into the shape of a bracket
US-2024123490-A1 · Apr 18, 2024 · US
Method of inserting a hairpin
US-2024128842-A1 · Apr 18, 2024 · US
Hairpin coil flattening control system and method therefor
US-2024091834-A1 · Mar 21, 2024 · US
Orthodontic wire bending device
US-11925969-B2 · Mar 12, 2024 · US
System and method for forming a hairpin for motors
US-2024079938-A1 · Mar 7, 2024 · US
Apparatus and methods using the apparatus for treating metal wire
US-11904369-B2 · Feb 20, 2024 · US
Method of inserting a hairpin
US-11881748-B2 · Jan 23, 2024 · US
Method of manufacturing electronic device
US-11858226-B2 · Jan 2, 2024 · US
Processing apparatus
US-2023405663-A1 · Dec 21, 2023 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B21F1/004?
- CPC B21F1/004 is the Cooperative Patent Classification code for “by means of press-type tooling.”
- How many patents are filed under CPC B21F1/004 (by means of press-type tooling)?
- Our database includes 54 publications tagged with this CPC code.
- Is patent activity under CPC B21F1/004 growing?
- Publication counts under this code: 11 in 2024 vs 7 in 2025 (latest complete years).