B63B 27/146
Pilot ladders or similar outboard ladders
Official title: {Pilot ladders or similar outboard ladders, e.g. bathing ladders; Pilot lifts}
B63B27/146 (Pilot ladders or similar outboard ladders) appears on 153 US grants and 132 published applications in this corpus.
Search patents in B63B- Granted patents
- 153
- Published applications
- 132
- Assignees
- 74
- Inventors
- 250
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 3 | 0 |
| 2003 | 1 | 3 |
| 2004 | 5 | 2 |
| 2005 | 9 | 7 |
| 2006 | 4 | 2 |
| 2007 | 0 | 8 |
| 2008 | 7 | 6 |
| 2009 | 3 | 6 |
| 2010 | 1 | 3 |
| 2011 | 8 | 2 |
| 2012 | 1 | 3 |
| 2013 | 3 | 5 |
| 2014 | 6 | 5 |
| 2015 | 8 | 10 |
| 2016 | 5 | 4 |
| 2017 | 10 | 5 |
| 2018 | 5 | 5 |
| 2019 | 8 | 5 |
| 2020 | 3 | 6 |
| 2021 | 6 | 14 |
| 2022 | 6 | 6 |
| 2023 | 10 | 5 |
| 2024 | 7 | 7 |
| 2025 | 4 | 8 |
| 2026 | 8 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Boarding platform18 Aug 2026US 12,709,358 B2Leisure Properties LLC
- Rolling reduction boat5 May 2026US 12,617,500 B2
- Illuminated marine ladder14 Apr 2026US 12,600,439 B2
- Step apparatuses for boats7 Apr 2026US 12,595,025 B2
- Patio dive doors for marine vessels having a swim step assembly7 Apr 2026US 12,595,026 B1Brunswick Corporation
- Automatically retractable marine ladder3 Sep 2026US 2026/0258703 A1
- Climbing device30 Jul 2026US 2026/0218570 A1Siemens Gamesa Renewable Energy A/S
- Displaceable Step Assembly for Swim Platform11 Jun 2026US 2026/0159198 A1Ramp N Clamp LLC
- Rotating Ladder for a Boat23 Apr 2026US 2026/0109432 A1OPACMARE S.r.l.
- Articulating marine step arrangement and actuator arrangement26 Mar 2026US 2026/0084788 A1Patrick Industries, Inc.
Most cited
By later US patents
- Extensible ladder for boats94US 4,733,752 A1988
- Stern gate for a boat hull62US 4,742,795 ACruisers Incorporated · 1988
- Retractable swim platform and steps for pontoon boats50US 9,586,655 B12017
- Retractable ladder assembly42US 6,789,648 B2Cook Manufacturing Corporation · 2004
- Double acting lift mechanism for boat platform40US 7,946,243 B12011