B63H 23/35
Shaft braking or locking, i.e. means to slow or stop the rotation
Official title: Shaft braking or locking, i.e. means to slow or stop the rotation of the propeller shaft or to prevent the shaft from initial rotation
B63H23/35 (Shaft braking or locking, i.e. means to slow or stop the rotation) appears on 7 US grants and 7 published applications in this corpus.
Search patents in B63H- Granted patents
- 7
- Published applications
- 7
- Assignees
- 8
- Inventors
- 20
- Latest grant
- 5 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2013 | 1 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 2 |
| 2020 | 1 | 1 |
| 2021 | 1 | 1 |
| 2022 | 2 | 1 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 2 | 0 |
By publication year.
Recent patents
- Propulsion and braking system using clutch5 Aug 2025US 12,379,005 B2Stxengine Co., Ltd
- Counter rotating propeller pod mechanical arrangement22 Jul 2025US 12,365,438 B2GE Energy Power Conversion France
- Saildrive arrangement5 Jul 2022US 11,377,188 B2ZF Friedrichshafen AG
- Amphibious multi-terrain water planing high speed tracked vehicle18 Jan 2022US 11,225,116 B2
- Control of propeller shaft movement23 Mar 2021US 10,953,968 B2ABB Schweiz AG
- Counter rotating propeller pod mechanical arrangement27 Jul 2023US 2023/0234691 A1GE Energy Power Conversion France
- Propulsion and braking system using clutch29 Dec 2022US 2022/0411036 A1Stxengine Co., Ltd
- Saildrive arrangement6 May 2021US 2021/0129968 A1ZF Friedrichshafen AG
- An amphibious multi-terrain water planing high speed tracked vehicle27 Feb 2020US 2020/0062059 A1
- Control Of Propeller Shaft Movement29 Aug 2019US 2019/0263492 A1ABB Schweiz AG
Most cited
By later US patents