Biomimetic turtle device
US-2024417049-A1 · Dec 19, 2024 · US
Adjustment of buoyancy by water ballasting; Emptying equipment for ballast tanks ({conduits for emptying or ballasting on vessels in general B63B13/00;} stabilising vessels using ballast tanks B63B43/06)
Adjustment of buoyancy by water ballasting; Emptying equipment for ballast tanks ({conduits for emptying or ballasting on vessels in general B63B13/00;} stabilising vessels using ballast tanks B63B43/06) · 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 | B63G8/22 |
| Official title | Adjustment of buoyancy by water ballasting; Emptying equipment for ballast tanks ({conduits for emptying or ballasting on vessels in general B63B13/00;} stabilising vessels using ballast tanks B63B43/06) |
| Display label | Adjustment of buoyancy by water ballasting; Emptying equipment for ballast tanks ({conduits for emptying or ballasting on vessels in general B63B13/00;} stabilising vessels using ballast tanks B63B43/06) |
| Total patents | 132 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 9 |
| 2017 | 8 |
| 2018 | 13 |
| 2019 | 13 |
| 2020 | 12 |
| 2021 | 18 |
| 2022 | 12 |
| 2023 | 12 |
| 2024 | 13 |
| 2025 | 16 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Sound source for autonomous underwater vehicle
US-11091240-B1 · Aug 17, 2021 · US
Extended duration autonomous craft
US-2020398624-A1 · Dec 24, 2020 · US
Method for controlling the buoyancy of a submarine vehicle
US-2020361583-A1 · Nov 19, 2020 · US
Automatic vehicle depth regulation system
US-10822066-B1 · Nov 3, 2020 · US
Method and system for launching and recovering underwater vehicles with an autonomous base
US-10793241-B2 · Oct 6, 2020 · US
Underwater vehicle having directional effector
US-10793242-B2 · Oct 6, 2020 · US
Mobile Underwater Docking System and Autonomous Underwater Vehicle
US-2020262529-A1 · Aug 20, 2020 · US
Subsea installation method
US-2020231263-A1 · Jul 23, 2020 · US
Underwater vehicle having directional effector
US-2020172216-A1 · Jun 4, 2020 · US
Multi-modal flying airplane and underwater glider
US-10661623-B2 · May 26, 2020 · US
Passive ballast device, system and methods of using same
US-10640188-B1 · May 5, 2020 · US
Versatile flexible and reconfigurable vehicle systems
US-2020130795-A1 · Apr 30, 2020 · US
Submersible drone having active ballast system
US-10583905-B2 · Mar 10, 2020 · US
Adjusting the buoyancy of unmanned underwater vehicles
US-10464645-B2 · Nov 5, 2019 · US
Method and system for launching and recovering underwater vehicles with an autonomous base
US-2019283848-A1 · Sep 19, 2019 · US
Extended duration autonomous craft
US-10399400-B2 · Sep 3, 2019 · US
Underwater energy harvesting drone and method for operation
US-2019252592-A1 · Aug 15, 2019 · US
Combined autonomous underwater vehicle and buoy device
US-10322782-B1 · Jun 18, 2019 · US
Self-draining oil buoyancy regulating device for underwater robots
US-10308334-B2 · Jun 4, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B63G8/22?
- CPC B63G8/22 is the Cooperative Patent Classification code for “Adjustment of buoyancy by water ballasting; Emptying equipment for ballast tanks ({conduits for emptying or ballasting on vessels in general B63B13/00;} stabilising vessels using ballast tanks B63B43/06).”
- How many patents are filed under CPC B63G8/22 (Adjustment of buoyancy by water ballasting; Emptying equipment for ballast tanks ({conduits for emptying or ballasting on vessels in general B63B13/00;} stabilising vessels using ballast tanks B63B43/06))?
- Our database includes 132 publications tagged with this CPC code.
- Is patent activity under CPC B63G8/22 growing?
- Publication counts under this code: 13 in 2024 vs 16 in 2025 (latest complete years).