Measurement tool for a brake and related brake assembly and assembly method
US-2024384975-A1 · Nov 21, 2024 · US
in sheets or flat parts
in sheets or flat parts · 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 | B21D28/26 |
| Official title | in sheets or flat parts |
| Display label | in sheets or flat parts |
| Total patents | 317 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 8 |
| 2016 | 9 |
| 2017 | 17 |
| 2018 | 22 |
| 2019 | 43 |
| 2020 | 35 |
| 2021 | 32 |
| 2022 | 41 |
| 2023 | 25 |
| 2024 | 40 |
| 2025 | 38 |
| 2026 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Stud Punch
US-2024351088-A1 · Oct 24, 2024 · US
Piercing method with heating
US-10512962-B2 · Dec 24, 2019 · US
Method for manufacturing core plate
US-2019149021-A1 · May 16, 2019 · US
Apparatus and method for piercing and trimming hot stamped parts
US-2018361455-A1 · Dec 20, 2018 · US
Sheet metal forming method and apparatus
US-10150152-B2 · Dec 11, 2018 · US
Laminated core manufacturing device and laminated core manufacturing method
US-2018350518-A1 · Dec 6, 2018 · US
Swivel jig tool for forming burring hole in door inner panel of vehicle and method of operating the same
US-10144047-B2 · Dec 4, 2018 · US
Method and Device for Machining and/or Producing a Component and Such a Component
US-2018333761-A1 · Nov 22, 2018 · US
Systems and Methods of Forming Audio Transducer Diaphragms
US-2018332419-A1 · Nov 15, 2018 · US
Method for forming blanked piece and manufacturing method of laminated body and laminated iron core using blanked piece formed by method for forming blanked piece
US-10118212-B2 · Nov 6, 2018 · US
Method for producing a motor vehicle component
US-2018304341-A1 · Oct 25, 2018 · US
Method for forming a pressed component, method for manufacturing a pressed component, and die apparatus for forming a pressed component
US-10092940-B2 · Oct 9, 2018 · US
Punch jaws and punch device comprising a punch sleeve and a punch opening
US-2018229392-A1 · Aug 16, 2018 · US
Device and method for processing metal parent parts and for sorting metal waste parts
US-10046368-B2 · Aug 14, 2018 · US
System and method for punching and attaching to fascia
US-2018207703-A1 · Jul 26, 2018 · US
Protrusion molding device, protrusion molding method, and molded article
US-2018200773-A1 · Jul 19, 2018 · US
Laminated core manufacturing device and laminated core manufacturing method
US-2018178267-A1 · Jun 28, 2018 · US
Hot-formed metal sheet and method of producing an opening in such a metal sheet
US-2018178268-A1 · Jun 28, 2018 · US
Sheet metal forming method and apparatus
US-2018154416-A1 · Jun 7, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B21D28/26?
- CPC B21D28/26 is the Cooperative Patent Classification code for “in sheets or flat parts.”
- How many patents are filed under CPC B21D28/26 (in sheets or flat parts)?
- Our database includes 317 publications tagged with this CPC code.
- Is patent activity under CPC B21D28/26 growing?
- Publication counts under this code: 40 in 2024 vs 38 in 2025 (latest complete years).