B64C 35/005
Flying-boats: with propellers, rudders or brakes acting in the water
Official title: {with propellers, rudders or brakes acting in the water}
B64C35/005 (Flying-boats: with propellers, rudders or brakes acting in the water) appears on 24 US grants and 38 published applications in this corpus.
Search patents in B64C- Granted patents
- 24
- Published applications
- 38
- Assignees
- 14
- Inventors
- 64
- Latest grant
- 24 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 1 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 4 |
| 2022 | 4 | 11 |
| 2023 | 5 | 4 |
| 2024 | 3 | 5 |
| 2025 | 5 | 3 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Hybrid propulsion for airborne craft23 Sep 2025US 12,420,940 B2REGENT Craft Inc.
- Seaplane float propulsion system8 Jul 2025US 12,351,308 B2
- Systems and methods for aircraft propulsion23 Jul 2026US 2026/0208862 A1Limo Air Drive Corp.
- Hybrid Propulsion For Airborne Craft14 May 2026US 2026/0131899 A1REGENT Craft Inc.
- Cement mixer and multiple purpose pumper (cmmp) for land rig5 Feb 2026US 2026/0034844 A1Schlumberger Technology Corporation
- Attachment for an amphibious aircraft8 May 2025US 2025/0145287 A1My Atg Aircraft Technologies Group Inc.
- Hybrid Propulsion For Airborne Craft6 Mar 2025US 2025/0074617 A1REGENT Craft Inc.
Most cited
By later US patents
- Anti-submarine warfare UAV and method of use thereof27US 6,409,122 B1Lockheed Martin Corporation · 2002
- Flying sailboat21US 7,252,264 B22007
- Cement mixer and multiple purpose pumper (CMMP) for land rig3US 11,371,314 B2Schlumberger Technology Corporation · 2022
- Amphibious large aircraft without airstairs3US 8,453,963 B22013
- Water-air amphibious cross-medium bio-robotic flying fish2US 11,208,186 B2Institute of Automation, Chinese Academy of Sciences · 2021