B63H
Marine propulsion or steering
Official title: MARINE PROPULSION OR STEERING (propulsion of air-cushion vehicles B60V1/14; specially adapted for submarines, other than nuclear propulsion, B63G; specially adapted for torpedoes F42B19/00)
B63H (Marine propulsion or steering) appears on 13,269 US grants and 8,978 published applications in this corpus.
Search patents in B63H- Granted patents
- 13,269
- Published applications
- 8,978
- Assignees
- 2,943
- Inventors
- 15,119
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 204 | 0 |
| 1977 | 157 | 0 |
| 1978 | 129 | 0 |
| 1979 | 76 | 0 |
| 1980 | 108 | 0 |
| 1981 | 136 | 0 |
| 1982 | 141 | 0 |
| 1983 | 126 | 0 |
| 1984 | 146 | 0 |
| 1985 | 172 | 0 |
| 1986 | 164 | 0 |
| 1987 | 229 | 0 |
| 1988 | 202 | 0 |
| 1989 | 243 | 0 |
| 1990 | 261 | 0 |
| 1991 | 233 | 0 |
| 1992 | 220 | 0 |
| 1993 | 226 | 0 |
| 1994 | 222 | 0 |
| 1995 | 206 | 0 |
| 1996 | 216 | 0 |
| 1997 | 176 | 0 |
| 1998 | 229 | 0 |
| 1999 | 253 | 0 |
| 2000 | 281 | 0 |
| 2001 | 305 | 60 |
| 2002 | 282 | 206 |
| 2003 | 283 | 262 |
| 2004 | 259 | 310 |
| 2005 | 282 | 279 |
| 2006 | 285 | 311 |
| 2007 | 250 | 255 |
| 2008 | 220 | 273 |
| 2009 | 199 | 342 |
| 2010 | 193 | 299 |
| 2011 | 217 | 273 |
| 2012 | 255 | 284 |
| 2013 | 261 | 270 |
| 2014 | 312 | 319 |
| 2015 | 331 | 391 |
| 2016 | 367 | 386 |
| 2017 | 435 | 381 |
| 2018 | 400 | 411 |
| 2019 | 436 | 430 |
| 2020 | 411 | 398 |
| 2021 | 398 | 429 |
| 2022 | 408 | 530 |
| 2023 | 405 | 531 |
| 2024 | 436 | 519 |
| 2025 | 502 | 477 |
| 2026 | 381 | 352 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Main groups
Granted patents with any code in the group
- B63H 20/00Outboard propulsion units4,032
- B63H 21/00Use of propulsion power plant or units on vessels3,502
- B63H 25/00Steering2,520
- B63H 23/00Transmitting power from propulsion power plant to propulsive elements1,649
- B63H 5/00Arrangements on vessels of propulsion elements directly acting on water1,548
- B63H 1/00Propulsive elements directly acting on water1,452
- B63H 11/00Marine propulsion by water jets1,362
- B63H 9/00Marine propulsion provided directly by wind power1,193
All 15 main groupsShow fewer
- B63H 16/00Marine propulsion by muscle power836
- B63H 8/00Sail or rigging arrangements specially adapted for water sports boards392
- B63H 3/00Propeller-blade pitch changing242
- B63H 19/00Marine propulsion not otherwise provided for201
- B63H 7/00Propulsion directly actuated on air92
- B63H 13/00Marine propulsion by wind motors driving water-engaging propulsive elements41
- B63H 15/00Marine propulsion by use of vessel-mounted driving mechanisms co-operating with anchored chains15
Recent patents
- Low-resistance amphibious vehicle6 Oct 2026US 12,752,582 B2Shenzhen Hesby Marine Technology Co., LTD
- Robotic fish with controlled bistable elastic propulsion system6 Oct 2026US 12,752,893 B2City University of Hong Kong
- Kite system6 Oct 2026US 12,752,894 B2SkySails Power GmbH
- Watercraft assemblies and methods6 Oct 2026US 12,752,895 B1
- Chassis for long tail marine outboard engine6 Oct 2026US 12,752,896 B2
- Combined fuel level sending unit and fuel fill limit vent valve8 Oct 2026US 2026/0307473 A1Whitecap Industries, Inc.
- Arbitrary pivot point for vehicle rotation and control8 Oct 2026US 2026/0307708 A1AB Volvo Penta
- Pod drive8 Oct 2026US 2026/0307770 A1Hd Hyundai Electric Co., Ltd.
- Establishing secure communication between an interface device and control systems of an electric marine vessel8 Oct 2026US 2026/0307771 A1Vision Marine Technologies
- Waterjet-propelled vessel8 Oct 2026US 2026/0307772 A1Kanzaki Kokyukoki Mfg.Co., Ltd.
Most cited
By later US patents
- Marine transmission with a cone clutch used for direct transfer of torque1,430US 6,960,107 B1Brunswick Corporation · 2005
- Synchronizer for a gear shift mechanism for a marine propulsion system1,418US 6,062,360 ABrunswick Corporation · 2000
- Shift assisting device1,417US 4,973,274 ASanshin Kogyo Kabushiki Kaisha · 1990
- Control system for a marine vessel495US 6,273,771 B1Brunswick Corporation · 2001
- Expandable impeller pump391US 7,393,181 B2Datascope Investment Corp. · 2008