Fuel cell powered line-replaceable thrust module
US-11414199-B2 · Aug 16, 2022 · US
generated by fuel cells
generated by fuel cells · 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 | B64U50/32 |
| Official title | generated by fuel cells |
| Display label | generated by fuel cells |
| Total patents | 110 |
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 | 5 |
| 2016 | 3 |
| 2017 | 7 |
| 2018 | 8 |
| 2019 | 11 |
| 2020 | 10 |
| 2021 | 14 |
| 2022 | 18 |
| 2023 | 16 |
| 2024 | 12 |
| 2025 | 5 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Extended duration autonomous craft
US-11235631-B2 · Feb 1, 2022 · US
Long endurance fuel cell-based power source
US-11196061-B2 · Dec 7, 2021 · US
Energy management system for minimum fuel cell load, aircraft having an energy management system and method for ensuring minimum fuel cell load
US-11186380-B2 · Nov 30, 2021 · US
Aerial drone
US-11167857-B2 · Nov 9, 2021 · US
Aerial drone
US-2021323686-A1 · Oct 21, 2021 · US
Structural Vehicle Components for Hydrogen Storage
US-2021291267-A1 · Sep 23, 2021 · US
Long endurance fuel cell-based power source
US-2021265643-A1 · Aug 26, 2021 · US
System, control device, and module
US-2021253243-A1 · Aug 19, 2021 · US
Aerial drone
US-2021188453-A1 · Jun 24, 2021 · US
Battery thermal management system and method
US-2021170908-A1 · Jun 10, 2021 · US
Autonomous self-stabilizing aerial system and method
US-11027840-B2 · Jun 8, 2021 · US
Battery thermal management system and method
US-2021162884-A1 · Jun 3, 2021 · US
Convertible Biplane Aircraft for Autonomous Cargo Delivery
US-2021122468-A1 · Apr 29, 2021 · US
Battery thermal management system and method
US-10960785-B2 · Mar 30, 2021 · US
Aerial vehicle
US-10919635-B2 · Feb 16, 2021 · US
Extended duration autonomous craft
US-2020398624-A1 · Dec 24, 2020 · US
Methods and apparatus for cryogenic fuel bayonet transfers
US-10843808-B2 · Nov 24, 2020 · US
Energy management system for minimum fuel cell load, aircraft having an energy management system and method for ensuring minimum fuel cell load
US-2020346776-A1 · Nov 5, 2020 · US
Battery thermal management system and method
US-2020339010-A1 · Oct 29, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B64U50/32?
- CPC B64U50/32 is the Cooperative Patent Classification code for “generated by fuel cells.”
- How many patents are filed under CPC B64U50/32 (generated by fuel cells)?
- Our database includes 110 publications tagged with this CPC code.
- Is patent activity under CPC B64U50/32 growing?
- Publication counts under this code: 12 in 2024 vs 5 in 2025 (latest complete years).