B63H 21/17
By electric motor
Official title: by electric motor
B63H21/17 (By electric motor) appears on 787 US grants and 1,079 published applications in this corpus.
Search patents in B63H- Granted patents
- 787
- Published applications
- 1,079
- Assignees
- 400
- Inventors
- 1,583
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 5 | 0 |
| 2000 | 9 | 0 |
| 2001 | 14 | 1 |
| 2002 | 7 | 6 |
| 2003 | 5 | 4 |
| 2004 | 4 | 13 |
| 2005 | 10 | 15 |
| 2006 | 16 | 23 |
| 2007 | 8 | 13 |
| 2008 | 13 | 11 |
| 2009 | 9 | 12 |
| 2010 | 5 | 14 |
| 2011 | 11 | 28 |
| 2012 | 12 | 24 |
| 2013 | 14 | 29 |
| 2014 | 23 | 26 |
| 2015 | 24 | 52 |
| 2016 | 22 | 32 |
| 2017 | 38 | 30 |
| 2018 | 37 | 53 |
| 2019 | 43 | 53 |
| 2020 | 49 | 49 |
| 2021 | 53 | 85 |
| 2022 | 56 | 104 |
| 2023 | 67 | 101 |
| 2024 | 66 | 131 |
| 2025 | 88 | 92 |
| 2026 | 60 | 78 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Power systems and methods for controlling power for marine vessels6 Oct 2026US 12,752,898 B1Brunswick Corporation
- Watercraft propulsion system, and watercraft6 Oct 2026US 12,752,899 B2Yamaha Hatsudoki Kabushiki Kaisha
- Amphibious vehicle systems22 Sep 2026US 12,741,493 B2
- Marine propulsion device22 Sep 2026US 12,742,410 B2Yamaha Hatsudoki Kabushiki Kaisha
- Systems and methods for controlling high voltage systems for a marine vessel22 Sep 2026US 12,744,485 B1Brunswick Corporation
- Pod drive8 Oct 2026US 2026/0307770 A1Hd Hyundai Electric Co., Ltd.
- Cycloidal marine propulsion system1 Oct 2026US 2026/0296621 A1
- System for operating electric motors1 Oct 2026US 2026/0302973 A1In&Motion
- Vessel motion control based on propeller slip24 Sep 2026US 2026/0285459 A1AB Volvo Penta
- Motor control apparatus and vessel propulsion system17 Sep 2026US 2026/0274389 A1Mitsubishi Electric Mobility Corporation
Most cited
By later US patents
- Energy-generating plant, particularly propeller-type ship's propulsion plant, including a solar generator225US 5,235,266 ASchottel-Werft Josef Becker GmbH & Co. KG · 1993
- Trolling motor bow mount77US 6,431,923 B1Johnson Outdoors Inc. · 2002
- Trolling motor system with auto retract76US 7,381,108 B1Johnson Outdoors Inc. · 2008
- Trolling motor73US 9,296,455 B2Johnson Outdoors Inc. · 2016
- Electric watercycle with variable electronic gearing and human power amplification69US 6,855,016 B12005