Fuel cell ship
US-12583570-B2 · Mar 24, 2026 · US
of engine rooms
of engine rooms · 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 | B63J2/06 |
| Official title | of engine rooms |
| Display label | of engine rooms |
| Total patents | 26 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2017 | 2 |
| 2018 | 1 |
| 2019 | 2 |
| 2021 | 1 |
| 2022 | 7 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 8 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Fuel cell ship
US-12552271-B2 · Feb 17, 2026 · US
Fuel cell ship
US-12502967-B2 · Dec 23, 2025 · US
Fuel cell ship
US-2025372670-A1 · Dec 4, 2025 · US
Fuel cell ship
US-2025364580-A1 · Nov 27, 2025 · US
Fuel cell ship
US-12428118-B2 · Sep 30, 2025 · US
Fuel cell ship
US-12407005-B2 · Sep 2, 2025 · US
Fuel cell ship
US-12401050-B2 · Aug 26, 2025 · US
Marine vessels and methods of making marine vessels providing air flow for an engine compartment
US-12246814-B1 · Mar 11, 2025 · US
Fuel Cell System
US-2025015325-A1 · Jan 9, 2025 · US
Marine vessels and methods of making marine vessels providing air flow for an engine compartment
US-11945565-B1 · Apr 2, 2024 · US
Exhaust system
US-2023406474-A1 · Dec 21, 2023 · US
Fuel cell ship
US-2022388405-A1 · Dec 8, 2022 · US
Fuel cell ship
US-2022388618-A1 · Dec 8, 2022 · US
Fuel cell ship
US-2022393196-A1 · Dec 8, 2022 · US
Fuel cell ship
US-2022393195-A1 · Dec 8, 2022 · US
Fuel cell ship
US-2022388620-A1 · Dec 8, 2022 · US
Fuel cell ship
US-2022393202-A1 · Dec 8, 2022 · US
Fuel cell ship
US-2022393198-A1 · Dec 8, 2022 · US
Watercraft and method for operating the watercraft
US-11077923-B2 · Aug 3, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B63J2/06?
- CPC B63J2/06 is the Cooperative Patent Classification code for “of engine rooms.”
- How many patents are filed under CPC B63J2/06 (of engine rooms)?
- Our database includes 26 publications tagged with this CPC code.
- Is patent activity under CPC B63J2/06 growing?
- Publication counts under this code: 1 in 2024 vs 8 in 2025 (latest complete years).