Undersea aid module system and method
US-2026042510-A1 · Feb 12, 2026 · US
Ballast means
Ballast means · 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 | B63B22/20 |
| Official title | Ballast means |
| Display label | Ballast means |
| Total patents | 55 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 8 |
| 2016 | 8 |
| 2017 | 8 |
| 2018 | 6 |
| 2019 | 3 |
| 2020 | 3 |
| 2021 | 3 |
| 2022 | 2 |
| 2023 | 3 |
| 2024 | 5 |
| 2025 | 4 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Robust multi-input multi-output control of floating offshore wind turbines
US-12516655-B2 · Jan 6, 2026 · US
Flow-guide device for offshore platform
US-2025313309-A1 · Oct 9, 2025 · US
Method of assembling and deploying a floating offshore wind turbine platform
US-12384500-B2 · Aug 12, 2025 · US
Solar power generators
US-12291312-B2 · May 6, 2025 · US
Retrofitting a buoy to provide dynamic control of a freeboard of the buoy
US-12263920-B2 · Apr 1, 2025 · US
Water flow measuring drifting buoy capable of preventing stranding and resisting impact
US-12122485-B1 · Oct 22, 2024 · US
Method for Wet-Towing and Installing a Wind Turbine Bucket Foundation
US-2024309849-A1 · Sep 19, 2024 · US
Shape memory alloy variable buoyance engine
US-2024308634-A1 · Sep 19, 2024 · US
Robust multi-input multi-output control of floating offshore wind turbines
US-2024183334-A1 · Jun 6, 2024 · US
Storage of Fluids Underwater
US-2024051740-A1 · Feb 15, 2024 · US
Retrofitting a Buoy to Provide Dynamic Control of a Freeboard of the Buoy
US-2023399079-A1 · Dec 14, 2023 · US
Large aperture towed inflatable planar sensor platform
US-11827315-B1 · Nov 28, 2023 · US
Method of Assembling and Deploying a Floating Offshore Wind Turbine Platform
US-2023159141-A1 · May 25, 2023 · US
Stand-alone buoy with seawater battery
US-11505287-B2 · Nov 22, 2022 · US
Solar power generators
US-2022348293-A1 · Nov 3, 2022 · US
Electric power transmission device
US-11128183-B2 · Sep 21, 2021 · US
Tactical maneuvering ocean thermal energy conversion buoy for ocean activity surveillance
US-11001357-B2 · May 11, 2021 · US
Tactical maneuvering ocean thermal energy conversion buoy for ocean activity surveillance
US-2021001965-A1 · Jan 7, 2021 · US
Stand-alone buoy with seawater battery
US-2020339226-A1 · Oct 29, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B63B22/20?
- CPC B63B22/20 is the Cooperative Patent Classification code for “Ballast means.”
- How many patents are filed under CPC B63B22/20 (Ballast means)?
- Our database includes 55 publications tagged with this CPC code.
- Is patent activity under CPC B63B22/20 growing?
- Publication counts under this code: 5 in 2024 vs 4 in 2025 (latest complete years).