Sliding seat bottom for a boat
US-2025249799-A1 · Aug 7, 2025 · US
Hatch openings
Hatch openings · 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 | B63B3/54 |
| Official title | Hatch openings |
| Display label | Hatch openings |
| Total patents | 33 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 2 |
| 2017 | 4 |
| 2018 | 2 |
| 2019 | 2 |
| 2020 | 3 |
| 2021 | 4 |
| 2022 | 4 |
| 2023 | 4 |
| 2024 | 2 |
| 2025 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Aft-facing transom seating for a boat
US-12312049-B2 · May 27, 2025 · US
Aft-facing transom seating for a boat
US-2025162689-A1 · May 22, 2025 · US
Sliding seat bottom for a boat
US-12304361-B2 · May 20, 2025 · US
Aft-facing transom seating for a boat
US-12258101-B2 · Mar 25, 2025 · US
Aft-facing transom seating for a boat
US-2024208612-A1 · Jun 27, 2024 · US
Aft-facing transom seating for a boat
US-11945552-B2 · Apr 2, 2024 · US
Aft-facing transom seating for a boat
US-2023278669-A1 · Sep 7, 2023 · US
Aft-facing transom seating for a boat
US-2023249783-A1 · Aug 10, 2023 · US
Aft-facing transom seating for a boat
US-11673626-B2 · Jun 13, 2023 · US
Aft-facing transom seating for a boat
US-11661149-B2 · May 30, 2023 · US
Sliding seat bottom for a boat
US-2022348118-A1 · Nov 3, 2022 · US
Aft-facing transom seating for a boat
US-2022258835-A1 · Aug 18, 2022 · US
Aft-facing transom seating for a boat
US-2022024547-A1 · Jan 27, 2022 · US
Aft-facing transom seating for a boat
US-11230355-B1 · Jan 25, 2022 · US
Aft-facing transom seating for a boat
US-2021362811-A1 · Nov 25, 2021 · US
Aft-facing transom seating for a boat
US-2021284291-A1 · Sep 16, 2021 · US
Aft-facing transom seating for a boat
US-11091230-B2 · Aug 17, 2021 · US
Aft-facing transom seating for a boat
US-11027795-B2 · Jun 8, 2021 · US
Aft-facing transom seating for a boat
US-2020198740-A1 · Jun 25, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B63B3/54?
- CPC B63B3/54 is the Cooperative Patent Classification code for “Hatch openings.”
- How many patents are filed under CPC B63B3/54 (Hatch openings)?
- Our database includes 33 publications tagged with this CPC code.
- Is patent activity under CPC B63B3/54 growing?
- Publication counts under this code: 2 in 2024 vs 5 in 2025 (latest complete years).