B60R 22/44
With means for reducing belt tension during use under normal conditions
Official title: with means for reducing belt tension during use under normal conditions {(not included in the retractor B60R22/19; B60R22/3405 takes precedence)}
B60R22/44 (With means for reducing belt tension during use under normal conditions) appears on 464 US grants and 228 published applications in this corpus.
Search patents in B60R- Granted patents
- 464
- Published applications
- 228
- Assignees
- 142
- Inventors
- 555
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 14 | 0 |
| 1978 | 21 | 0 |
| 1979 | 6 | 0 |
| 1980 | 14 | 0 |
| 1981 | 15 | 0 |
| 1982 | 12 | 0 |
| 1983 | 11 | 0 |
| 1984 | 12 | 0 |
| 1985 | 14 | 0 |
| 1986 | 16 | 0 |
| 1987 | 14 | 0 |
| 1988 | 10 | 0 |
| 1989 | 10 | 0 |
| 1990 | 14 | 0 |
| 1991 | 9 | 0 |
| 1992 | 8 | 0 |
| 1993 | 9 | 0 |
| 1994 | 8 | 0 |
| 1995 | 5 | 0 |
| 1996 | 5 | 0 |
| 1997 | 4 | 0 |
| 1998 | 11 | 0 |
| 1999 | 5 | 0 |
| 2000 | 4 | 0 |
| 2001 | 5 | 9 |
| 2002 | 17 | 11 |
| 2003 | 11 | 14 |
| 2004 | 11 | 11 |
| 2005 | 11 | 17 |
| 2006 | 11 | 33 |
| 2007 | 12 | 24 |
| 2008 | 13 | 12 |
| 2009 | 11 | 6 |
| 2010 | 13 | 5 |
| 2011 | 9 | 8 |
| 2012 | 2 | 4 |
| 2013 | 5 | 7 |
| 2014 | 4 | 8 |
| 2015 | 8 | 5 |
| 2016 | 10 | 7 |
| 2017 | 7 | 6 |
| 2018 | 9 | 3 |
| 2019 | 2 | 5 |
| 2020 | 5 | 7 |
| 2021 | 6 | 3 |
| 2022 | 3 | 2 |
| 2023 | 2 | 8 |
| 2024 | 7 | 5 |
| 2025 | 5 | 5 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B60R 2022/4473Using an electric retraction deviceIndexing code124
- B60R 2022/442Using one spring and one additional retraction device in parallelIndexing code77
- B60R 2022/4446Using one spring and one additional retraction device in seriesIndexing code76
- B60R 2022/4486For cancelling the belt tensionIndexing code28
- B60R 2022/4413By connecting the retracting spring to the belt reel by means ofIndexing code26
- B60R 2022/4406Spring shapesIndexing code11
- B60R 2022/4493For braking the belt reel using friction surfaces or the likeIndexing code10
- B60R 2022/448Using a fluid actuated retraction deviceIndexing code3
Recent patents
- Extendable arm assembly14 Apr 2026US 12,600,317 B1GM Global Technology Operations LLC
- Vehicle seat having retractor mounted in seat back frame24 Mar 2026US 12,583,415 B2Autoliv Development AB
- Load-limiting seatbelt retractor27 Jan 2026US 12,534,044 B2Ford Global Technologies, LLC
- System and method for adjusting pressing feeling by seat belt16 Dec 2025US 12,496,997 B2Hyundai Motor Company
- Belt retractor having an electric motor9 Dec 2025US 12,491,835 B2Autoliv Development AB
- Adjusting seatbelt tension based on a physical impairment16 Jul 2026US 2026/0200426 A1Toyota Jidosha Kabushiki Kaisha
- Adjusting seatbelt tension based on a driving challenge and physical impairment18 Jun 2026US 2026/0167140 A1Toyota Jidosha Kabushiki Kaisha
- Child seat integral harness belt tensioning and load limitation21 May 2026US 2026/0138506 A1Britax Child Safety, Inc.
- Child safety seat and safety belt adjustment system thereof30 Oct 2025US 2025/0332967 A1Wonderland Switzerland AG
- System and method for adjusting pressing feeling by seat belt19 Jun 2025US 2025/0196800 A1Hyundai Motor Company
Most cited
By later US patents
- Electronic seat belt tensioning system127US 5,558,370 AAutomotive Systems Laboratory, Inc. · 1996
- Vehicle occupant restraint system92US 5,788,281 ATakata Corporation · 1998
- Seat belt system91US 6,374,168 B1Takata Corporation · 2002
- Seat belt retractor employing ultrasonic motor87US 5,765,774 ATakata Corporation · 1998
- Seat belt retractor with tension relief mechanism77US 5,411,221 AAllied-Signal Inc. · 1995