B63H 1/32
Flaps, pistons, or the like, reciprocating in propulsive direction
B63H1/32 (Flaps, pistons, or the like, reciprocating in propulsive direction) appears on 73 US grants and 59 published applications in this corpus.
Search patents in B63H- Granted patents
- 73
- Published applications
- 59
- Assignees
- 19
- Inventors
- 99
- Latest grant
- 25 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 0 |
| 2003 | 1 | 1 |
| 2004 | 1 | 1 |
| 2005 | 1 | 0 |
| 2006 | 3 | 1 |
| 2007 | 2 | 0 |
| 2008 | 1 | 2 |
| 2009 | 2 | 4 |
| 2010 | 2 | 2 |
| 2011 | 3 | 4 |
| 2012 | 1 | 2 |
| 2013 | 3 | 4 |
| 2014 | 4 | 3 |
| 2015 | 2 | 2 |
| 2016 | 3 | 4 |
| 2017 | 7 | 7 |
| 2018 | 7 | 2 |
| 2019 | 5 | 4 |
| 2020 | 5 | 2 |
| 2021 | 2 | 1 |
| 2022 | 1 | 2 |
| 2023 | 0 | 2 |
| 2024 | 1 | 3 |
| 2025 | 3 | 1 |
| 2026 | 0 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System for controlling movements of a marine surface vessel25 Nov 2025US 12,481,281 B2Humphree AB
- Underwater robotic device8 Jul 2025US 12,350,601 B2Pioneer Material Precision Tech Co., Ltd.
- Buckling beams for underwater and terrestrial autonomous vehicles4 Mar 2025US 12,240,283 B2Arizona Board of Regents on behalf of Arizona State University
- Personal watercraft12 Mar 2024US 11,926,401 B2
- Oar assembly for a paddleboard22 Feb 2022US 11,254,405 B1
- Buckling beams for underwater and terrestrial autonomous vehicles17 Sep 2026US 2026/0274021 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
- Flapping manual propulsion system for personal watercraft12 Mar 2026US 2026/0070638 A1
- Flotation Pontoon Devices with Manual Propulsion Mechanisms and Corresponding Methods13 Mar 2025US 2025/0083772 A1
Most cited
By later US patents
- Watercraft that harvest both locomotive thrust and electrical power from wave motion36US 8,808,041 B2Liquid Robotics, Inc. · 2014
- Human powered recumbent vehicle29US 5,544,906 A1996
- Feet-propelled water vehicle26US 6,595,813 B12003
- Autonomous wave-powered substance distribution vessels for fertilizing plankton, feeding fish, and sequestering carbon from the atmosphere23US 8,825,241 B2Liquid Robotics, Inc. · 2014
- Human powered watercraft22US 7,232,350 B12007