B60R 22/36
Self-locking in an emergency
Official title: self-locking in an emergency ({B60R22/3405} , B60R22/343 take precedence)
B60R22/36 (Self-locking in an emergency) appears on 981 US grants and 450 published applications in this corpus.
Search patents in B60R- Granted patents
- 981
- Published applications
- 450
- Assignees
- 204
- Inventors
- 1,073
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 31 | 0 |
| 1977 | 28 | 0 |
| 1978 | 25 | 0 |
| 1979 | 23 | 0 |
| 1980 | 24 | 0 |
| 1981 | 26 | 0 |
| 1982 | 25 | 0 |
| 1983 | 36 | 0 |
| 1984 | 30 | 0 |
| 1985 | 25 | 0 |
| 1986 | 25 | 0 |
| 1987 | 20 | 0 |
| 1988 | 32 | 0 |
| 1989 | 20 | 0 |
| 1990 | 22 | 0 |
| 1991 | 21 | 0 |
| 1992 | 16 | 0 |
| 1993 | 15 | 0 |
| 1994 | 25 | 0 |
| 1995 | 9 | 0 |
| 1996 | 30 | 0 |
| 1997 | 18 | 0 |
| 1998 | 21 | 0 |
| 1999 | 14 | 0 |
| 2000 | 25 | 0 |
| 2001 | 22 | 5 |
| 2002 | 17 | 13 |
| 2003 | 18 | 18 |
| 2004 | 14 | 18 |
| 2005 | 14 | 15 |
| 2006 | 9 | 24 |
| 2007 | 2 | 10 |
| 2008 | 12 | 19 |
| 2009 | 11 | 16 |
| 2010 | 8 | 9 |
| 2011 | 9 | 22 |
| 2012 | 6 | 12 |
| 2013 | 9 | 24 |
| 2014 | 19 | 23 |
| 2015 | 23 | 20 |
| 2016 | 23 | 25 |
| 2017 | 25 | 20 |
| 2018 | 23 | 26 |
| 2019 | 29 | 22 |
| 2020 | 18 | 28 |
| 2021 | 19 | 14 |
| 2022 | 14 | 14 |
| 2023 | 12 | 14 |
| 2024 | 14 | 18 |
| 2025 | 14 | 9 |
| 2026 | 11 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B60R 22/40Responsive only to vehicle movement299
- B60R 22/405Responsive to belt movement and vehicle movement251
- B60R 22/42Having means for acting directly upon the belt137
- B60R 22/38Responsive only to belt movement117
- B60R 22/415With additional means allowing a permanent locking of the retractor during the110
- B60R 22/41With additional means for preventing locking during unwinding under predetermined conditions104
Recent patents
- Assembly for a seatbelt retractor, and seatbelt retractor6 Oct 2026US 12,752,734 B2ZF Automotive Germany GmbH
- Webbing take-up device19 May 2026US 12,630,114 B2Kabushiki Kaisha Tokai Rika Denki Seisakusho
- Self-locking belt retractor5 May 2026US 12,617,370 B2Autoliv Development AB
- Load limiting seatbelt retractor28 Apr 2026US 12,612,010 B2Ford Global Technologies, LLC
- Variable behavior control mechanism for a motive system21 Apr 2026US 12,606,124 B2SureWerx USA, Inc.
- Webbing take-up device17 Sep 2026US 2026/0274200 A1Kabushiki Kaisha Tokai Rika Denki Seisakusho
- Seat belt retractor17 Sep 2026US 2026/0274201 A1Yanfeng International Automotive Technology Co., Ltd.
- Safety belt retractor10 Sep 2026US 2026/0264641 A1Autoliv Development AB
- Retractor and seat belt device3 Sep 2026US 2026/0257645 A1Joyson Safety Systems Japan G.K.
- Seat belt retractor and method of producing the same6 Aug 2026US 2026/0225555 A1Ashimori Industry Co., Ltd.
Most cited
By later US patents
- Passenger restraint belt system106US 5,552,986 ANissan Motor Co., Ltd. · 1996
- Seat belt retractor employing ultrasonic motor87US 5,765,774 ATakata Corporation · 1998
- Automotive passenger restraint and protection apparatus and seatbelt protraction and retraction amount-detecting device66US 6,485,057 B1NSK Autoliv Co., Ltd. · 2002
- Air bag apparatus for a passenger seat60US 5,636,864 AKabushiki Kaisha Tokai Rika Denki Seisakusho · 1997
- Acceleration sensing device58US 4,934,626 ATakata Corporation · 1990