B60N 2/5664
With unforced air circulation, i.e. not using a fan or the like
Official title: {with unforced air circulation, i.e. not using a fan or the like}
B60N2/5664 (With unforced air circulation, i.e. not using a fan or the like) appears on 58 US grants and 66 published applications in this corpus.
Search patents in B60N- Granted patents
- 58
- Published applications
- 66
- Assignees
- 47
- Inventors
- 143
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 2 |
| 2006 | 2 | 0 |
| 2007 | 0 | 2 |
| 2008 | 1 | 2 |
| 2009 | 0 | 3 |
| 2010 | 1 | 1 |
| 2011 | 2 | 7 |
| 2012 | 2 | 5 |
| 2013 | 2 | 1 |
| 2014 | 4 | 2 |
| 2015 | 4 | 9 |
| 2016 | 2 | 3 |
| 2017 | 4 | 8 |
| 2018 | 10 | 3 |
| 2019 | 5 | 6 |
| 2020 | 3 | 2 |
| 2021 | 5 | 2 |
| 2022 | 2 | 2 |
| 2023 | 0 | 2 |
| 2024 | 3 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Ventilation of seating surfaces in a flexible heat exchanger system9 Jun 2026US 12,649,396 B2Padmini Vna Mechatronics Ltd.
- Flexible plenum with rigidification features25 Jun 2024US 12,017,568 B2Gentherm Incorporated
- Automobile seat cushion7 May 2024US 11,975,640 B2
- Window structure for visualizing the internal structure of upholstered furniture and seats5 Mar 2024US 11,918,126 B2Igo Furniture (Gao An) Limited
- Ventilated seat with low pressure zone induced airflow13 Dec 2022US 11,524,613 B2Lear Corporation
- Child safety seat13 Aug 2026US 2026/0233646 A1Wonderland Switzerland AG
- Vehicle seat26 Feb 2026US 2026/0054625 A1Grammer AG
- Seat27 Jun 2024US 2024/0208382 A1Toyota Boshoku Kabushiki Kaisha
- A window structure for visualizing the internal structure of upholstered furniture and seats27 Jul 2023US 2023/0232988 A1Igo Furniture (Gao An) Limited
- Automobile seat cushion26 Jan 2023US 2023/0021375 A1
Most cited
By later US patents
- Breathable seat117US 7,070,232 B2NHK Spring Co., Ltd. · 2006
- Headrest for head and neck24US 9,615,682 B1BullRest LLC · 2017
- Valve layer for a seat23US 7,461,892 B2W.E.T. Automotive Systems, A.C. · 2008
- Seat with ventilative property22US 9,456,702 B2Tachi-S Co., Ltd. · 2016
- Underbody cushioning and ventilating structure and general utility formed plastic sheet20US 4,529,248 A1985