B63B 1/32
Hydrodynamic or hydrostatic features of hulls or of hydrofoils: other means for
Official title: Other means for varying the inherent hydrodynamic characteristics of hulls
B63B1/32 (Hydrodynamic or hydrostatic features of hulls or of hydrofoils: other means for) appears on 841 US grants and 659 published applications in this corpus.
Search patents in B63B- Granted patents
- 841
- Published applications
- 659
- Assignees
- 285
- Inventors
- 1,228
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 13 | 0 |
| 1977 | 6 | 0 |
| 1978 | 3 | 0 |
| 1979 | 4 | 0 |
| 1980 | 5 | 0 |
| 1981 | 3 | 0 |
| 1982 | 5 | 0 |
| 1983 | 6 | 0 |
| 1984 | 3 | 0 |
| 1985 | 9 | 0 |
| 1986 | 5 | 0 |
| 1987 | 10 | 0 |
| 1988 | 6 | 0 |
| 1989 | 6 | 0 |
| 1990 | 13 | 0 |
| 1991 | 12 | 0 |
| 1992 | 10 | 0 |
| 1993 | 9 | 0 |
| 1994 | 7 | 0 |
| 1995 | 13 | 0 |
| 1996 | 18 | 0 |
| 1997 | 13 | 0 |
| 1998 | 16 | 0 |
| 1999 | 17 | 0 |
| 2000 | 24 | 0 |
| 2001 | 17 | 3 |
| 2002 | 17 | 24 |
| 2003 | 27 | 15 |
| 2004 | 20 | 29 |
| 2005 | 21 | 28 |
| 2006 | 27 | 27 |
| 2007 | 23 | 20 |
| 2008 | 12 | 20 |
| 2009 | 11 | 17 |
| 2010 | 18 | 26 |
| 2011 | 17 | 28 |
| 2012 | 18 | 25 |
| 2013 | 20 | 23 |
| 2014 | 22 | 31 |
| 2015 | 31 | 33 |
| 2016 | 37 | 31 |
| 2017 | 36 | 33 |
| 2018 | 27 | 31 |
| 2019 | 36 | 29 |
| 2020 | 34 | 24 |
| 2021 | 19 | 26 |
| 2022 | 25 | 29 |
| 2023 | 23 | 31 |
| 2024 | 24 | 29 |
| 2025 | 25 | 27 |
| 2026 | 18 | 20 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- System and method for reducing drag on the hull of a vessel15 Sep 2026US 12,735,146 B2
- Wing-in-ground effect vehicle28 Jul 2026US 12,691,863 B2REGENT Craft Inc.
- Boundary layer testing system with enhanced entry region for angulated surfaces14 Jul 2026US 12,680,907 B2Airglide AI, Inc.
- Gas supply system applicable to gas layer drag reduction ship, and ship7 Jul 2026US 12,673,747 B2CSSC Shanghai Marine Energy Saving Technology Co., Ltd.
- Adjustable cavitator structure having double layer retractable sheet7 Jul 2026US 12,673,748 B2Dalian University of Technology
- Dynamic airflow control for a marine vessel air lubrication system1 Oct 2026US 2026/0296597 A1Airglide AI, Inc.
- An apparatus, method and system for generating air bubbles17 Sep 2026US 2026/0274376 A1
- Plastron trapping trenches and uses thereof17 Sep 2026US 2026/0274377 A1The Regents of the University of California
- System and method for enhanced marine vessel efficiency using integrated hull optimizations3 Sep 2026US 2026/0257766 A1Airglide AI, Inc.
- Hydrofoil Retraction System13 Aug 2026US 2026/0233808 A1REGENT Craft Inc.
Most cited
By later US patents
- Surface topographies for non-toxic bioadhesion control146US 7,650,848 B2University of Florida Research Foundation, Inc. · 2010
- Drag reduction article137US 5,133,516 AMinnesota Mining and Manufacturing Company · 1992
- Wake enhancement assembly119US 6,427,616 B12002
- Wake control apparatus110US 5,860,384 A1999
- Surface topographies for non-toxic bioadhesion control107US 9,016,221 B2University of Florida Research Foundation, Inc. · 2015