B63H 1/30
Propulsive elements directly acting on water: of non-rotary type
Official title: of non-rotary type
B63H1/30 (Propulsive elements directly acting on water: of non-rotary type) appears on 337 US grants and 280 published applications in this corpus.
Search patents in B63H- Granted patents
- 337
- Published applications
- 280
- Assignees
- 109
- Inventors
- 507
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 2 | 0 |
| 1978 | 5 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 5 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 7 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 6 | 0 |
| 1995 | 5 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 6 | 0 |
| 1999 | 5 | 0 |
| 2000 | 12 | 0 |
| 2001 | 1 | 3 |
| 2002 | 5 | 5 |
| 2003 | 7 | 6 |
| 2004 | 7 | 9 |
| 2005 | 8 | 7 |
| 2006 | 10 | 11 |
| 2007 | 6 | 4 |
| 2008 | 6 | 6 |
| 2009 | 4 | 13 |
| 2010 | 7 | 8 |
| 2011 | 8 | 10 |
| 2012 | 5 | 11 |
| 2013 | 7 | 11 |
| 2014 | 13 | 16 |
| 2015 | 16 | 18 |
| 2016 | 15 | 20 |
| 2017 | 21 | 10 |
| 2018 | 15 | 13 |
| 2019 | 14 | 14 |
| 2020 | 11 | 16 |
| 2021 | 22 | 14 |
| 2022 | 7 | 11 |
| 2023 | 11 | 12 |
| 2024 | 10 | 13 |
| 2025 | 9 | 11 |
| 2026 | 7 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Robotic fish with controlled bistable elastic propulsion system6 Oct 2026US 12,752,893 B2City University of Hong Kong
- Hybrid propeller/undulating fin propulsion for aquatic vehicles28 Jul 2026US 12,691,983 B2Florida Atlantic University Board of Trustees
- Biomimetic turtle9 Jun 2026US 12,649,551 B2Pioneer Material Precision Tech Co., Ltd.
- Amphibious snake robot12 May 2026US 12,623,501 B2Board of Trustees of Michigan State University
- Method and apparatus for making a soft robotic marine animal21 Apr 2026US 12,606,286 B1The United States of America as represented by the Secretary of the Navy
- Buckling beams for underwater and terrestrial autonomous vehicles17 Sep 2026US 2026/0274021 A1
- Bionic sailfish9 Jul 2026US 2026/0192903 A1
- Propulsion unit and vessel comprising the propulsion unit14 May 2026US 2026/0131879 A1Maersk A/S
- Flapping manual propulsion system for personal watercraft23 Apr 2026US 2026/0109441 A1
- Autonomous maritime container system12 Mar 2026US 2026/0070382 A1Aeplog, Inc.
Most cited
By later US patents
- Wave power components139US 8,287,323 B2Liquid Robotics, Inc. · 2012
- High efficiency hydrofoil and swim fin designs56US 5,746,631 A1998
- Pelagic free swinging aquatic vehicle54US 6,138,604 AThe Charles Stark Draper Laboratories, Inc. · 2000
- Water-borne vessel50US 4,968,273 A1990
- Wave power48US 7,371,136 B2Liquid Robotics, Inc. · 2008