B60N 2/5621
By air
Official title: {by air}
B60N2/5621 (By air) appears on 923 US grants and 1,173 published applications in this corpus.
Search patents in B60N- Granted patents
- 923
- Published applications
- 1,173
- Assignees
- 264
- Inventors
- 1,900
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 6 | 0 |
| 1998 | 2 | 0 |
| 1999 | 10 | 0 |
| 2000 | 10 | 0 |
| 2001 | 12 | 6 |
| 2002 | 8 | 19 |
| 2003 | 16 | 13 |
| 2004 | 17 | 22 |
| 2005 | 16 | 30 |
| 2006 | 19 | 39 |
| 2007 | 13 | 44 |
| 2008 | 15 | 38 |
| 2009 | 32 | 42 |
| 2010 | 22 | 20 |
| 2011 | 17 | 32 |
| 2012 | 15 | 28 |
| 2013 | 13 | 34 |
| 2014 | 23 | 19 |
| 2015 | 34 | 45 |
| 2016 | 23 | 46 |
| 2017 | 32 | 62 |
| 2018 | 49 | 78 |
| 2019 | 87 | 100 |
| 2020 | 69 | 79 |
| 2021 | 76 | 74 |
| 2022 | 67 | 78 |
| 2023 | 60 | 59 |
| 2024 | 50 | 71 |
| 2025 | 56 | 46 |
| 2026 | 30 | 49 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B60N 2/5657Blown towards the seat surface537
- B60N 2/5635Coming from the passenger compartment344
- B60N 2/5642With circulation of air through a layer inside the seat251
- B60N 2/5628Coming from the vehicle ventilation system176
- B60N 2/565Sucked from the seat surface158
- B60N 2/5664With unforced air circulation, i.e. not using a fan or the like58
- B60N 2/5671Forming a windbreak55
Recent patents
- Vehicle seat22 Sep 2026US 12,741,573 B2NHK Spring Co., Ltd.
- Seat with blower8 Sep 2026US 12,728,776 B2Ts Tech Co., Ltd.
- Vehicle seat with electronic device charger8 Sep 2026US 12,728,798 B2Fca US LLC
- Seat assembly and bracket18 Aug 2026US 12,709,204 B2Lear Corporation
- Lumbar support device for improvement of exhaust performance and control method thereof11 Aug 2026US 12,703,280 B2Hyundai Transys Inc.
- Centrifugal air blower8 Oct 2026US 2026/0309159 A1Shinano Kenshi Co., Ltd.
- Backrest ventilation device and safety seat1 Oct 2026US 2026/0296276 A1Ningbo Baby First Baby Products Co., Ltd.
- Child safety seat1 Oct 2026US 2026/0296277 A1Wonderland Switzerland AG
- Blower and vehicle seat24 Sep 2026US 2026/0285210 A1Toyota Boshoku Kabushiki Kaisha
- Conveyance seat17 Sep 2026US 2026/0274135 A1Alps Alpine Co., Ltd.
Most cited
By later US patents
- Method and arrangement for control of direct current motor1,395US 7,567,045 B2Kongsberg Automotive AB · 2009
- Ergonomic systems and methods providing intelligent adaptive surfaces and temperature control392US 6,230,501 B1ProMXD Technology, Inc. · 2001
- Vehicle seat269US 6,196,627 B1DaimlerChrysler AG · 2001
- Vehicle seat256US 6,189,966 B1DaimlerChrysler AG · 2001
- Body support system243US 6,598,251 B2HON Technology Inc. · 2003