B63B 83/30
Rebuilding or retrofitting vessels: for improving energy efficiency
Official title: for improving energy efficiency, e.g. by improving hydrodynamics or by upgrading the power plant
B63B83/30 (Rebuilding or retrofitting vessels: for improving energy efficiency) appears on 6 US grants and 11 published applications in this corpus.
Search patents in B63B- Granted patents
- 6
- Published applications
- 11
- Assignees
- 6
- Inventors
- 13
- Latest grant
- 29 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2011 | 0 | 2 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 1 | 3 |
| 2022 | 2 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 1 |
| 2025 | 1 | 3 |
By publication year.
Recent patents
- Hull unit with a hydrofoil system and marine vessel29 Jul 2025US 12,371,131 B2AB Volvo Penta
- Ship drive system and retrofitting method for a ship drive system11 Oct 2022US 11,466,613 B2Fuelsave GmbH
- Offshore electrical power plant14 Jun 2022US 11,359,519 B2Single Buoy Moorings Inc.
- Ship drive system and retrofitting method for a ship drive system25 May 2021US 11,015,520 B2Fuelsave GmbH
- Variable hull lengths for watercraft3 Feb 2015US 8,943,993 B2
- Kit for installing hydrofoils on a boat, in particular on a wind-propelled boat, and method for installing such a kit on such a boat2 Oct 2025US 2025/0304213 A1Gb Naval Development
- Hull unit with a hydrofoil system and marine vessel25 Sep 2025US 2025/0296657 A1AB Volvo Penta
- Inboard marine motor drive and propulsion system1 May 2025US 2025/0136261 A1Ecomar Propulsion Ltd
- A method for providing a hull of a vessel with bubble generators19 Dec 2024US 2024/0417034 A1Alfa Laval Rotterdam B.V.
- Hull unit with a hydrofoil system and marine vessel5 Jan 2023US 2023/0002007 A1AB Volvo Penta
Most cited
By later US patents