Workpiece processing apparatus
US-12515251-B2 · Jan 6, 2026 · US
Hydro-mechanical deep-drawing
Hydro-mechanical deep-drawing · 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 | B21D22/205 |
| Official title | {Hydro-mechanical deep-drawing} |
| Display label | Hydro-mechanical deep-drawing |
| Total patents | 28 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 2 |
| 2020 | 1 |
| 2021 | 6 |
| 2022 | 6 |
| 2023 | 5 |
| 2024 | 1 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Workpiece processing apparatus
US-12496628-B2 · Dec 16, 2025 · US
Apparatus and method for deep drawing of large-sized thin-wall curved surface parts with servo reverse bulging
US-12485466-B2 · Dec 2, 2025 · US
Method for post-forming of stiffening portions in enclosures for battery cells
US-2025132374-A1 · Apr 24, 2025 · US
Pouch forming method and pouch forming device
US-11876162-B2 · Jan 16, 2024 · US
Workpiece processing apparatus
US-2023381852-A1 · Nov 30, 2023 · US
Workpiece processing apparatus
US-2023381849-A1 · Nov 30, 2023 · US
Method for forming and heat treating near net shape complex structures from sheet metal
US-2023271242-A1 · Aug 31, 2023 · US
Apparatus and Method for Deep Drawing of Large-sized Thin-wall Curved Surface Parts with Servo Reverse Bulging
US-2023173567-A1 · Jun 8, 2023 · US
Ultra-low temperature forming method for ultra-thin curved part of high-strength aluminum alloy
US-11571731-B2 · Feb 7, 2023 · US
Device for super cryogenic forming of metal thin-walled curved surface part
US-11440076-B2 · Sep 13, 2022 · US
Ultra-low temperature medium pressure forming method for complex curved-shaped components
US-2022161308-A1 · May 26, 2022 · US
Forming machine with enhanced setup and health feedback
US-11331866-B2 · May 17, 2022 · US
Device For Super Cryogenic Forming Of Metal Thin-Walled Curved Surface Part
US-2022080488-A1 · Mar 17, 2022 · US
Forming device and method for large thin-walled part with curved surface
US-11260444-B2 · Mar 1, 2022 · US
Ultra-low temperature forming method for ultra-thin curved part of high-strength aluminum alloy
US-2022056561-A1 · Feb 24, 2022 · US
Pouch Forming Method And Pouch Forming Device
US-2021242485-A1 · Aug 5, 2021 · US
Pouch forming method and pouch forming device
US-11018368-B2 · May 25, 2021 · US
Cylinder device, press machine, workpiece clamping apparatus, cylinder device actuating method, method for clamping workpiece, and method for pressing workpiece
US-10982690-B2 · Apr 20, 2021 · US
Cylinder device, press machine, workpiece clamping apparatus, cylinder device actuating method, method for clamping workpiece, and method for pressing workpiece
US-10941790-B2 · Mar 9, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B21D22/205?
- CPC B21D22/205 is the Cooperative Patent Classification code for “Hydro-mechanical deep-drawing.”
- How many patents are filed under CPC B21D22/205 (Hydro-mechanical deep-drawing)?
- Our database includes 28 publications tagged with this CPC code.
- Is patent activity under CPC B21D22/205 growing?
- Publication counts under this code: 1 in 2024 vs 3 in 2025 (latest complete years).