Device for storing or guiding hydrogen and process for the preparation thereof
US-12576615-B2 · Mar 17, 2026 · US
Metal working processes, e.g. deep drawing, stamping or cutting
Metal working processes, e.g. deep drawing, stamping or cutting · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F17C2209/2181 |
| Official title | Metal working processes, e.g. deep drawing, stamping or cutting |
| Display label | Metal working processes, e.g. deep drawing, stamping or cutting |
| Total patents | 56 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 4 |
| 2017 | 3 |
| 2018 | 3 |
| 2019 | 7 |
| 2020 | 3 |
| 2021 | 5 |
| 2022 | 4 |
| 2023 | 7 |
| 2024 | 9 |
| 2025 | 5 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Tank, in particular for a liquid hydrogen reservoir, provided with internal rails for putting an equipment module in place
US-12486947-B2 · Dec 2, 2025 · US
Non-circular pressure vessel
US-12410888-B2 · Sep 9, 2025 · US
Low profile flat bombe for LPG storage and method for manufacturing the same
US-12404975-B2 · Sep 2, 2025 · US
Steel plate for pressure vessel with excellent cryogenic toughness and excellent ductility and manufacturing method thereof
US-2025154620-A1 · May 15, 2025 · US
Steel plate for pressure vessel with excellent cryogenic toughness and excellent ductility and manufacturing method thereof
US-12234526-B2 · Feb 25, 2025 · US
Tank, In Particular For A Liquid Hydrogen Reservoir, Provided With At Least One Dome Fixed By Way Of An Outer Welded Joint
US-2024401742-A1 · Dec 5, 2024 · US
Pressure Vessel, Pressure Vessel System, Motor Vehicle and Method for Forming Ribs
US-2024369184-A1 · Nov 7, 2024 · US
Device for storing or guiding hydrogen and process for the preparation thereof
US-2024278534-A1 · Aug 22, 2024 · US
Non-circular pressure vessel
US-2024263739-A1 · Aug 8, 2024 · US
Tank device for storing a gaseous medium and method for producing a tank device
US-12025274-B2 · Jul 2, 2024 · US
Low profile flat bombe for lpg storage and method for manufacturing the same
US-2024102611-A1 · Mar 28, 2024 · US
Low profile flat bombe for LPG storage and method for manufacturing the same
US-11885464-B2 · Jan 30, 2024 · US
Sustainable composite cylinder
US-2024027025-A1 · Jan 25, 2024 · US
Sustainable composite cylinder
US-2024027026-A1 · Jan 25, 2024 · US
Cryogenic liquid tank for an aircraft and method for manufacturing the same
US-2023271715-A1 · Aug 31, 2023 · US
On-tank regulator for high-pressure tank
US-11732843-B2 · Aug 22, 2023 · US
Tank container for storing gases and method for manufacturing said tank container
US-2023079398-A1 · Mar 16, 2023 · US
Novel construction and sealing method for modular pressure reservoir
US-2023047425-A1 · Feb 16, 2023 · US
Tank, In Particular For A Liquid Hydrogen Reservoir, Provided With At Least One Dome Fixed By Way Of An Outer Welded Joint
US-2023036707-A1 · Feb 2, 2023 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F17C2209/2181?
- CPC F17C2209/2181 is the Cooperative Patent Classification code for “Metal working processes, e.g. deep drawing, stamping or cutting.”
- How many patents are filed under CPC F17C2209/2181 (Metal working processes, e.g. deep drawing, stamping or cutting)?
- Our database includes 56 publications tagged with this CPC code.
- Is patent activity under CPC F17C2209/2181 growing?
- Publication counts under this code: 9 in 2024 vs 5 in 2025 (latest complete years).