Steel Protective Coating Compositions, Methods of Their Manufacture, and Methods of Their Use
US-2024052178-A1 · Feb 15, 2024 · US
Work-pieces; preparation of the work-pieces, e.g. lubricating, coating
Work-pieces; preparation of the work-pieces, e.g. lubricating, coating · 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 | B21D22/201 |
| Official title | {Work-pieces; preparation of the work-pieces, e.g. lubricating, coating} |
| Display label | Work-pieces; preparation of the work-pieces, e.g. lubricating, coating |
| Total patents | 112 |
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 | 12 |
| 2016 | 8 |
| 2017 | 14 |
| 2018 | 12 |
| 2019 | 11 |
| 2020 | 12 |
| 2021 | 10 |
| 2022 | 7 |
| 2023 | 9 |
| 2024 | 13 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for producing hot-formed components
US-10876179-B2 · Dec 29, 2020 · US
Method and device for producing sheet-metal components
US-2020078849-A1 · Mar 12, 2020 · US
Method for producing a heat transfer tube for steam generator using drawing, solution heat treatment, and straightening
US-10488038-B2 · Nov 26, 2019 · US
Quality control process to assess the aluminized coating characteristics of hot stamped parts
US-10481052-B2 · Nov 19, 2019 · US
Flexible container coating compositions
US-10472538-B2 · Nov 12, 2019 · US
Stretch flange crack prediction method, stretch flange crack prediction apparatus, computer program, and recording medium
US-10467361-B2 · Nov 5, 2019 · US
Method for the surface treatment of a workpiece
US-10449597-B2 · Oct 22, 2019 · US
Quality control process to assess the aluminized coating characteristics of hot stamped parts
US-2019301983-A1 · Oct 3, 2019 · US
Mold for hot stamping and method of manufacturing the same
US-10421112-B2 · Sep 24, 2019 · US
Method and device for achieving long collar lengths
US-10265751-B2 · Apr 23, 2019 · US
Press forming method, and method for manufacturing press-formed part
US-10220428-B2 · Mar 5, 2019 · US
Method for Marking Workpieces and Workpiece
US-2019030581-A1 · Jan 31, 2019 · US
High speed blow forming processes
US-10166590-B2 · Jan 1, 2019 · US
Aluminium Alloy Sheet Optimised for Forming
US-2018340268-A1 · Nov 29, 2018 · US
Heat transfer tube for steam generator and method for producing the same
US-2018299121-A1 · Oct 18, 2018 · US
Method for marking workpieces and workpiece
US-10086420-B2 · Oct 2, 2018 · US
Method for producing highly dimensionally accurate half-shells and apparatus for producing a half-shell
US-10065229-B2 · Sep 4, 2018 · US
Surface treatment solution for plated steel sheet to be hot-pressed
US-2018171164-A1 · Jun 21, 2018 · US
Bracket-integrated double-layer door impact beam, apparatus and method for manufacturing the same
US-2018162205-A1 · Jun 14, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B21D22/201?
- CPC B21D22/201 is the Cooperative Patent Classification code for “Work-pieces; preparation of the work-pieces, e.g. lubricating, coating.”
- How many patents are filed under CPC B21D22/201 (Work-pieces; preparation of the work-pieces, e.g. lubricating, coating)?
- Our database includes 112 publications tagged with this CPC code.
- Is patent activity under CPC B21D22/201 growing?
- Publication counts under this code: 13 in 2024 vs 3 in 2025 (latest complete years).