Vortex generator system and method for ship form drag reduction
US-2025388292-A1 · Dec 25, 2025 · US
Other means for varying the inherent hydrodynamic characteristics of hulls
Other means for varying the inherent hydrodynamic characteristics of hulls · 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 | B63B1/32 |
| Official title | Other means for varying the inherent hydrodynamic characteristics of hulls |
| Display label | Other means for varying the inherent hydrodynamic characteristics of hulls |
| Total patents | 59 |
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 | 3 |
| 2016 | 4 |
| 2017 | 9 |
| 2018 | 5 |
| 2019 | 8 |
| 2020 | 5 |
| 2021 | 9 |
| 2022 | 5 |
| 2023 | 5 |
| 2024 | 3 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Marine vessels having a modifiable wake and devices for modifying a wake of a marine vessel
US-12263921-B1 · Apr 1, 2025 · US
Boat having an improved ability to get on plane and improved method of getting a boat on plane
US-2025050974-A1 · Feb 13, 2025 · US
Boat having an improved ability to get on plane and improved method of getting a boat on plane
US-12157540-B2 · Dec 3, 2024 · US
Actuator
US-12122483-B2 · Oct 22, 2024 · US
Float assembly
US-11958569-B2 · Apr 16, 2024 · US
Boat having an improved ability to get on plane and improved method of getting a boat on plane
US-2023348021-A1 · Nov 2, 2023 · US
Boat having an improved ability to get on plane and improved method of getting a boat on plane
US-11718372-B2 · Aug 8, 2023 · US
Extendable and retractable fairing for container ship and control method thereof
US-11708130-B1 · Jul 25, 2023 · US
Extendable and retractable fairing for container ship and control method thereof
US-2023227128-A1 · Jul 20, 2023 · US
Apparatus with a controllable surface for underwater boundary flow
US-11643169-B2 · May 9, 2023 · US
Trash skimmer boat
US-11472517-B2 · Oct 18, 2022 · US
Vehicle configuration with motors that rotate between a lifting position and a thrusting position
US-11319063-B2 · May 3, 2022 · US
Ballast water-free vessel using difference in depth of bottom shell plate between bow/stern and midship section and construction method thereof
US-11286020-B2 · Mar 29, 2022 · US
Actuator
US-2022041251-A1 · Feb 10, 2022 · US
Float assembly
US-2022024542-A1 · Jan 27, 2022 · US
Watertight electric actuator for trim tab assembly or wake gate assembly
US-11155322-B2 · Oct 26, 2021 · US
Boat having an improved ability to get on plane and improved method of getting a boat on plane
US-2021300505-A1 · Sep 30, 2021 · US
Apparatus with a controllable surface for underwater boundary flow
US-2021276665-A1 · Sep 9, 2021 · US
Trash skimmer boat
US-2021276672-A1 · Sep 9, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B63B1/32?
- CPC B63B1/32 is the Cooperative Patent Classification code for “Other means for varying the inherent hydrodynamic characteristics of hulls.”
- How many patents are filed under CPC B63B1/32 (Other means for varying the inherent hydrodynamic characteristics of hulls)?
- Our database includes 59 publications tagged with this CPC code.
- Is patent activity under CPC B63B1/32 growing?
- Publication counts under this code: 3 in 2024 vs 3 in 2025 (latest complete years).