Secondary battery pressing method and pressing device supporting same
US-2026074261-A1 · Mar 12, 2026 · US
by plungers under fluid pressure
by plungers under fluid pressure · 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 | B30B1/32 |
| Official title | by plungers under fluid pressure |
| Display label | by plungers under fluid pressure |
| Total patents | 43 |
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 | 3 |
| 2017 | 2 |
| 2018 | 5 |
| 2019 | 2 |
| 2020 | 4 |
| 2021 | 5 |
| 2022 | 6 |
| 2023 | 3 |
| 2024 | 6 |
| 2025 | 2 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Lightweight two-crossbeam high-speed free forging hydraulic press
US-12533725-B2 · Jan 27, 2026 · US
Pressing device
US-2025326194-A1 · Oct 23, 2025 · US
Pressing device
US-12447707-B1 · Oct 21, 2025 · US
Die cushion device
US-12172403-B2 · Dec 24, 2024 · US
Flanged and tapered pin for method to automate part loading and unloading
US-2024351089-A1 · Oct 24, 2024 · US
Mounting device and use of the mounting device for mounting electrolysis cells of an electrolyser
US-2024343010-A1 · Oct 17, 2024 · US
Tie-bar-less clamping unit
US-2024269898-A1 · Aug 15, 2024 · US
Lightweight two-crossbeam high-speed free forging hydraulic press
US-2024216984-A1 · Jul 4, 2024 · US
Pressing method and method of manufacturing mechanical apparatus
US-11931983-B2 · Mar 19, 2024 · US
Compressive torsion forming device
US-11826808-B2 · Nov 28, 2023 · US
Tire vulcanization device and method
US-11752717-B2 · Sep 12, 2023 · US
Press machine
US-11618230-B2 · Apr 4, 2023 · US
Press machine execution system
US-11518131-B2 · Dec 6, 2022 · US
Tire vulcanization device and method
US-2022314563-A1 · Oct 6, 2022 · US
Hydraulic extrusion press and method for operating a hydraulic extrusion press
US-11407192-B2 · Aug 9, 2022 · US
Die cushion device
US-2022203643-A1 · Jun 30, 2022 · US
Press machine execution system
US-2022055332-A1 · Feb 24, 2022 · US
Hot-forming presses and methods of hot-forming workpieces
US-11253898-B2 · Feb 22, 2022 · US
Press machine and press machine execution system
US-11186057-B2 · Nov 30, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B30B1/32?
- CPC B30B1/32 is the Cooperative Patent Classification code for “by plungers under fluid pressure.”
- How many patents are filed under CPC B30B1/32 (by plungers under fluid pressure)?
- Our database includes 43 publications tagged with this CPC code.
- Is patent activity under CPC B30B1/32 growing?
- Publication counts under this code: 6 in 2024 vs 2 in 2025 (latest complete years).