Electromagnetic inspection device capable of calibration
US-2024027399-A1 · Jan 25, 2024 · US
Marking devices
Marking devices · 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 | B21C51/005 |
| Official title | {Marking devices} |
| Display label | Marking devices |
| Total patents | 70 |
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 | 3 |
| 2016 | 7 |
| 2017 | 6 |
| 2018 | 6 |
| 2019 | 10 |
| 2020 | 4 |
| 2021 | 8 |
| 2022 | 8 |
| 2023 | 7 |
| 2024 | 8 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Apparatus for marking a component by applying readable identifying information
US-11809945-B2 · Nov 7, 2023 · US
Embossing stamp, pressing tool and method for marking a motor vehicle component
US-11787200-B2 · Oct 17, 2023 · US
Embossing system
US-11752539-B2 · Sep 12, 2023 · US
Bend pipe and method for manufacturing same
US-11712727-B2 · Aug 1, 2023 · US
Can
US-2023122700-A1 · Apr 20, 2023 · US
Apparatus for Marking a Component by Applying Readable Identifying Information
US-2023059129-A1 · Feb 23, 2023 · US
Embossing System
US-2023051282-A1 · Feb 16, 2023 · US
Forming system
US-2022379363-A1 · Dec 1, 2022 · US
Information providing device and determination system
US-2022288665-A1 · Sep 15, 2022 · US
Metal workpiece indentation marking device
US-11364531-B2 · Jun 21, 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
Method and apparatus for embossing and debossing metallic containers
US-2022168796-A1 · Jun 2, 2022 · US
Rolling load prediction method, rolling load prediction device, and rolling control method
US-2022126342-A1 · Apr 28, 2022 · US
Embossing Stamp, Pressing Tool and Method for Marking a Motor Vehicle Component
US-2022126597-A1 · Apr 28, 2022 · US
Method for marking workpieces, and workpiece
US-11235368-B2 · Feb 1, 2022 · US
Indirect firing fastening tool, a propelling member and a fastener supporting such member for the tool, and a setting method for a fastener
US-11203104-B2 · Dec 21, 2021 · US
Marking device and method, and method for manufacturing fastener chain
US-11191326-B2 · Dec 7, 2021 · US
Mechanical applicator for use in stamping die process to apply thermo-chromatic ink to aluminum heat treated panels
US-2021252577-A1 · Aug 19, 2021 · US
Embossing System
US-2021229157-A1 · Jul 29, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B21C51/005?
- CPC B21C51/005 is the Cooperative Patent Classification code for “Marking devices.”
- How many patents are filed under CPC B21C51/005 (Marking devices)?
- Our database includes 70 publications tagged with this CPC code.
- Is patent activity under CPC B21C51/005 growing?
- Publication counts under this code: 8 in 2024 vs 3 in 2025 (latest complete years).