B64U 30/29
Constructional aspects of rotors or rotor supports
Official title: Constructional aspects of rotors or rotor supports; Arrangements thereof
B64U30/29 (Constructional aspects of rotors or rotor supports) appears on 1,115 US grants and 1,381 published applications in this corpus.
Search patents in B64U- Granted patents
- 1,115
- Published applications
- 1,381
- Assignees
- 486
- Inventors
- 2,068
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 2 |
| 2003 | 1 | 1 |
| 2004 | 0 | 3 |
| 2005 | 2 | 2 |
| 2006 | 3 | 2 |
| 2007 | 1 | 4 |
| 2008 | 1 | 0 |
| 2009 | 1 | 7 |
| 2010 | 2 | 8 |
| 2011 | 1 | 4 |
| 2012 | 9 | 9 |
| 2013 | 8 | 15 |
| 2014 | 7 | 17 |
| 2015 | 27 | 32 |
| 2016 | 29 | 74 |
| 2017 | 42 | 104 |
| 2018 | 75 | 131 |
| 2019 | 96 | 126 |
| 2020 | 129 | 173 |
| 2021 | 91 | 115 |
| 2022 | 105 | 132 |
| 2023 | 135 | 123 |
| 2024 | 117 | 111 |
| 2025 | 130 | 98 |
| 2026 | 94 | 88 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B64U 30/296Rotors with variable spatial positions relative to the uav body346
- B64U 30/293Foldable or collapsible rotors or rotor supports317
- B64U 30/299Rotor guards168
- B64U 30/291Detachable rotors or rotor supports100
- B64U 30/295Rotors arranged in the wings69
- B64U 30/294Rotors arranged in the uav body53
- B64U 30/298Helicopter flybars14
Recent patents
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Most cited
By later US patents
- Providing a medical support device via an unmanned aerial vehicle489US 8,948,935 B1Google Inc. · 2015
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- Unmanned aerial vehicle with counter-rotating ducted rotors and shrouded pusher-prop244US 6,270,038 B1Sikorsky Aircraft Corporation · 2001
- Helicopter with folding rotor arms204US 8,292,215 B2Draganfly Innovations Inc. · 2012
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