B63H 23/26
Fluid
Official title: fluid
B63H23/26 (Fluid) appears on 58 US grants and 28 published applications in this corpus.
Search patents in B63H- Granted patents
- 58
- Published applications
- 28
- Assignees
- 29
- Inventors
- 89
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 4 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 0 |
| 2004 | 1 | 0 |
| 2005 | 1 | 1 |
| 2006 | 1 | 2 |
| 2007 | 2 | 6 |
| 2008 | 1 | 2 |
| 2009 | 4 | 0 |
| 2010 | 1 | 1 |
| 2011 | 4 | 0 |
| 2012 | 2 | 3 |
| 2013 | 1 | 1 |
| 2014 | 0 | 1 |
| 2015 | 1 | 1 |
| 2016 | 1 | 0 |
| 2017 | 0 | 2 |
| 2018 | 0 | 0 |
| 2019 | 2 | 1 |
| 2020 | 0 | 0 |
| 2021 | 1 | 3 |
| 2022 | 2 | 0 |
| 2023 | 1 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Low-resistance amphibious vehicle6 Oct 2026US 12,752,582 B2Shenzhen Hesby Marine Technology Co., LTD
- Watercraft with battery ballast system25 Mar 2025US 12,258,104 B2
- Watercraft with battery ballast system7 Feb 2023US 11,572,140 B2
- Method and system for fluke drive11 Oct 2022US 11,465,719 B2Dolprop Industries AB
- Systems and methods for controlling transmission valves in a marine propulsion device4 Oct 2022US 11,459,076 B1Brunswick Corporation
- Low-resistance amphibious vehicle12 Mar 2026US 2026/0070383 A1Shenzhen Hesby Marine Technology Co., LTD
- Watercraft with battery ballast system19 Jun 2025US 2025/0196976 A1
- Watercraft with battery ballast system18 May 2023US 2023/0150619 A1
- Method and system for fluke drive16 Dec 2021US 2021/0387708 A1Dolprop Industries AB
- Watercraft with battery ballast system30 Sep 2021US 2021/0300507 A1
Most cited
By later US patents
- Outboard thruster with direct drive hydraulic motor29US 4,878,864 A1989
- Portable dynamic positioning system with self-contained diesel hydraulic thrusters24US 6,799,528 B12004
- Outboard boat propulsion installation23US 4,832,642 AThompson Marine Propulsion Systems, Inc. · 1989
- Water propelled flying board18US 9,145,206 B12015
- Device for rotationally driving and steering a screw-rudder of a floating vehicle17US 4,358,280 AValeo · 1982