B64C 27/006
Safety devices
Official title: {Safety devices}
B64C27/006 (Safety devices) appears on 371 US grants and 382 published applications in this corpus.
Search patents in B64C- Granted patents
- 371
- Published applications
- 382
- Assignees
- 169
- Inventors
- 732
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 4 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 1 |
| 2002 | 3 | 2 |
| 2003 | 0 | 3 |
| 2004 | 2 | 3 |
| 2005 | 2 | 4 |
| 2006 | 3 | 4 |
| 2007 | 4 | 3 |
| 2008 | 1 | 6 |
| 2009 | 2 | 6 |
| 2010 | 5 | 5 |
| 2011 | 10 | 8 |
| 2012 | 3 | 4 |
| 2013 | 2 | 12 |
| 2014 | 11 | 14 |
| 2015 | 11 | 9 |
| 2016 | 10 | 21 |
| 2017 | 13 | 57 |
| 2018 | 26 | 34 |
| 2019 | 31 | 39 |
| 2020 | 35 | 36 |
| 2021 | 35 | 23 |
| 2022 | 25 | 28 |
| 2023 | 31 | 17 |
| 2024 | 25 | 22 |
| 2025 | 21 | 12 |
| 2026 | 12 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Automated and user assisted autorotation for air vehicle6 Oct 2026US 12,754,570 B2Skyryse, Inc.
- Hybrid exploration and inspection robot25 Aug 2026US 12,715,627 B2Arizona Board of Regents on Behalf of the University of Arizona
- Jam detection system4 Aug 2026US 12,698,847 B2Microtecnica S.R.L.
- Rotary wing aircraft with two engines and lateral engine fixations14 Jul 2026US 12,679,524 B2Airbus Helicopters Deutschland GmbH
- Propeller impact detection and force reduction7 Jul 2026US 12,673,768 B2Kitty Hawk Corporation
- Led tail rotor safety and status indication lighting system8 Oct 2026US 2026/0307785 A1Textron Innovations Inc.
- Rotatable External Cage for Vehicle16 Jul 2026US 2026/0200608 A1The Johns Hopkins University
- Damage detection for aircraft parts16 Jul 2026US 2026/0201945 A1Textron Innovations Inc.
- Rotary wing aircraft with two engines and lateral engine fixations11 Jun 2026US 2026/0159216 A1Airbus Helicopters Deutschland GmbH
- Quality assessment and service damage detection for composite drive shafts11 Jun 2026US 2026/0159255 A1Goodrich Corporation
Most cited
By later US patents
- Multibit-per-cell non-volatile memory with error detection and correction219US 5,909,449 AInvox Technology · 1999
- Multi-bit-per-cell flash EEPROM memory with refresh159US 6,151,246 ASanDisk Corporation · 2000
- Multi-bit-per-cell flash EEPROM memory with refresh116US 6,307,776 B1SanDisk Corporation · 2001
- Multi-bit-per-cell flash EEPROM memory with refresh96US 7,397,697 B2SanDisk Corporation · 2008
- Modular adaptive configured helicopter95US 7,946,530 B12011