B64C 25/54
Floats
B64C25/54 (Floats) appears on 176 US grants and 179 published applications in this corpus.
Search patents in B64C- Granted patents
- 176
- Published applications
- 179
- Assignees
- 76
- Inventors
- 285
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 4 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 1 |
| 2003 | 3 | 3 |
| 2004 | 2 | 1 |
| 2005 | 1 | 2 |
| 2006 | 1 | 1 |
| 2007 | 4 | 2 |
| 2008 | 2 | 1 |
| 2009 | 0 | 1 |
| 2010 | 2 | 6 |
| 2011 | 2 | 4 |
| 2012 | 3 | 4 |
| 2013 | 4 | 9 |
| 2014 | 7 | 10 |
| 2015 | 7 | 5 |
| 2016 | 6 | 5 |
| 2017 | 9 | 12 |
| 2018 | 6 | 18 |
| 2019 | 12 | 12 |
| 2020 | 13 | 16 |
| 2021 | 10 | 10 |
| 2022 | 13 | 15 |
| 2023 | 13 | 11 |
| 2024 | 10 | 9 |
| 2025 | 10 | 10 |
| 2026 | 10 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- System for providing buoyancy for a vehicle on a body of water6 Oct 2026US 12,752,913 B2The Boeing Company
- Drone buoyancy device15 Sep 2026US 12,735,175 B1Metal Industries Research & Development Centre
- Hydrofoil takeoff and landing with multiple hydrofoils18 Aug 2026US 12,709,389 B2REGENT Craft Inc.
- Buoyancy system for an aircraft comprising roll stabilization means23 Jun 2026US 12,662,240 B2Safran Aerosystems
- Secondary airfoil apparatus, system, and method for improving lift and aerodynamic performance of a floatplane12 May 2026US 12,623,778 B2
- Transportation drone1 Oct 2026US 2026/0296691 A1
- Hydrofoil Equipped Seaglider Takeoff27 Aug 2026US 2026/0250001 A1REGENT Craft Inc.
- Flexible battery system for a vehicle20 Aug 2026US 2026/0241807 A1Kitty Hawk Corporation
- Hydrogen containment airplane float technology13 Aug 2026US 2026/0233830 A1Wipaire, Inc.
- Short takeoff and landing amphibious aircraft6 Aug 2026US 2026/0225714 A1
Most cited
By later US patents
- Multi-purpose aircraft88US 5,645,250 A1997
- Multicopter with wide span rotor configuration and protective fuselage66US 9,944,386 B1Kitty Hawk Corporation · 2018
- Safety device for helicopters and similar equipment with rotors56US 5,259,574 A1993
- Aircraft56US 9,663,237 B2e-volo GmbH · 2017
- External airbag protection system for helicopters47US 5,992,794 AState of Israel-Ministry of Defense Armament Development Authority-Rafael · 1999