B63H 20/00
Outboard propulsion units
Official title: Outboard propulsion units, e.g. outboard motors or Z-drives; Arrangements thereof on vessels
B63H20/00 (Outboard propulsion units) appears on 4,032 US grants and 2,444 published applications in this corpus.
Search patents in B63H- Granted patents
- 4,032
- Published applications
- 2,444
- Assignees
- 533
- Inventors
- 3,678
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 51 | 0 |
| 1977 | 27 | 0 |
| 1978 | 21 | 0 |
| 1979 | 12 | 0 |
| 1980 | 16 | 0 |
| 1981 | 27 | 0 |
| 1982 | 36 | 0 |
| 1983 | 35 | 0 |
| 1984 | 25 | 0 |
| 1985 | 40 | 0 |
| 1986 | 52 | 0 |
| 1987 | 64 | 0 |
| 1988 | 74 | 0 |
| 1989 | 85 | 0 |
| 1990 | 103 | 0 |
| 1991 | 99 | 0 |
| 1992 | 82 | 0 |
| 1993 | 61 | 0 |
| 1994 | 71 | 0 |
| 1995 | 55 | 0 |
| 1996 | 61 | 0 |
| 1997 | 47 | 0 |
| 1998 | 62 | 0 |
| 1999 | 73 | 0 |
| 2000 | 71 | 0 |
| 2001 | 74 | 12 |
| 2002 | 84 | 46 |
| 2003 | 63 | 44 |
| 2004 | 50 | 79 |
| 2005 | 71 | 76 |
| 2006 | 81 | 74 |
| 2007 | 77 | 77 |
| 2008 | 74 | 76 |
| 2009 | 65 | 78 |
| 2010 | 45 | 68 |
| 2011 | 62 | 47 |
| 2012 | 72 | 52 |
| 2013 | 68 | 57 |
| 2014 | 95 | 78 |
| 2015 | 97 | 96 |
| 2016 | 125 | 111 |
| 2017 | 144 | 90 |
| 2018 | 152 | 112 |
| 2019 | 153 | 101 |
| 2020 | 129 | 130 |
| 2021 | 148 | 137 |
| 2022 | 139 | 180 |
| 2023 | 142 | 174 |
| 2024 | 143 | 169 |
| 2025 | 196 | 173 |
| 2026 | 133 | 107 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B63H 20/08Means enabling movement of the position of the propulsion element1,715
- B63H 20/14Transmission between propulsion power unit and propulsion element730
- B63H 20/32Housings693
- B63H 20/007Trolling propulsion units650
- B63H 20/02Mounting of propulsion units568
- B63H 20/24Arrangements, apparatus and methods for handling exhaust gas in outboard drives442
- B63H 2020/003Arrangements of two, or more outboard propulsion unitsIndexing code403
- B63H 20/28Arrangements, apparatus and methods for handling cooling-water in outboard drives317
All 12 subgroupsShow fewer
- B63H 20/001Arrangements, apparatus and methods for handling fluids used in outboard drives275
- B63H 20/36Transporting or testing stands132
- B63H 2020/005Arrangements of two or more propellers, or the like on single outboardIndexing code95
- B63H 2020/008Tools, specially adapted for maintenance, mounting, repair, or the like of outboardIndexing code26
Recent patents
- Chassis for long tail marine outboard engine6 Oct 2026US 12,752,896 B2
- Marine drive steering assembly systems and methods6 Oct 2026US 12,752,897 B2Brunswick Corporation
- Power systems and methods for controlling power for marine vessels6 Oct 2026US 12,752,898 B1Brunswick Corporation
- Detachable control module for a marine device6 Oct 2026US 12,752,900 B2Navico Group Americas, LLC
- Outboard motor6 Oct 2026US 12,752,902 B2Yamaha Hatsudoki Kabushiki Kaisha
- Automatic retraction of a submersible component for a marine vessel1 Oct 2026US 2026/0296614 A1Rhodan Marine Systems of Florida, LLC
- Propulsion system of boat1 Oct 2026US 2026/0296615 A1Honda Motor Co., Ltd.
- Propulsion system of boat1 Oct 2026US 2026/0296616 A1Honda Motor Co., Ltd.
- Propulsion system of boat1 Oct 2026US 2026/0296617 A1Honda Motor Co., Ltd.
- Propulsion system of boat1 Oct 2026US 2026/0296618 A1Honda Motor Co., Ltd.
Most cited
By later US patents
- Synchronizer for a gear shift mechanism for a marine propulsion system1,418US 6,062,360 ABrunswick Corporation · 2000
- Depth finding-trolling system293US 4,995,010 AJohnson Fishing, Inc. · 1991
- Propeller hub assembly having overlap zone with optional removable exhaust ring and sized ventilation plugs140US 7,056,091 B22006
- System and method for controlling a trolling motor112US 8,761,976 B2Johnson Outdoors Inc. · 2014
- Trolling motor steering and speed control104US 5,171,173 AZebco Corporation · 1992