B60R 22/46
Reels with means to tension the belt in an emergency by forced
Official title: {Reels} with means to tension the belt in an emergency {by forced winding up}(electrical circuits for triggering safety arrangements B60R21/01 {; tensioners using reels only guiding the belt during normal use, e.g. splitted reels B60R22/195})
B60R22/46 (Reels with means to tension the belt in an emergency by forced) appears on 1,147 US grants and 984 published applications in this corpus.
Search patents in B60R- Granted patents
- 1,147
- Published applications
- 984
- Assignees
- 240
- Inventors
- 1,483
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 7 | 0 |
| 1978 | 0 | 0 |
| 1979 | 4 | 0 |
| 1980 | 6 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 5 | 0 |
| 1984 | 8 | 0 |
| 1985 | 8 | 0 |
| 1986 | 8 | 0 |
| 1987 | 3 | 0 |
| 1988 | 8 | 0 |
| 1989 | 5 | 0 |
| 1990 | 9 | 0 |
| 1991 | 4 | 0 |
| 1992 | 10 | 0 |
| 1993 | 13 | 0 |
| 1994 | 18 | 0 |
| 1995 | 27 | 0 |
| 1996 | 24 | 0 |
| 1997 | 26 | 0 |
| 1998 | 24 | 0 |
| 1999 | 33 | 0 |
| 2000 | 27 | 0 |
| 2001 | 39 | 25 |
| 2002 | 44 | 47 |
| 2003 | 41 | 33 |
| 2004 | 40 | 56 |
| 2005 | 27 | 51 |
| 2006 | 31 | 74 |
| 2007 | 24 | 51 |
| 2008 | 49 | 63 |
| 2009 | 29 | 33 |
| 2010 | 50 | 38 |
| 2011 | 44 | 46 |
| 2012 | 27 | 40 |
| 2013 | 39 | 25 |
| 2014 | 32 | 35 |
| 2015 | 23 | 23 |
| 2016 | 29 | 28 |
| 2017 | 30 | 34 |
| 2018 | 27 | 39 |
| 2019 | 45 | 43 |
| 2020 | 25 | 62 |
| 2021 | 41 | 28 |
| 2022 | 32 | 24 |
| 2023 | 23 | 32 |
| 2024 | 30 | 25 |
| 2025 | 30 | 16 |
| 2026 | 14 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B60R 22/4628Characterised by fluid actuators486
- B60R 2022/4666Characterised by electric actuatorsIndexing code243
- B60R 2022/468Characterised by clutching means between actuator and belt reelIndexing code225
- B60R 22/4676Comprising energy-absorbing means operating between belt reel and retractor frame178
- B60R 2022/4685With means to adjust or regulate the tensioning force in relation toIndexing code130
- B60R 22/4619Transmission of tensioning power by cable119
- B60R 22/4604Characterised by arrangements in vehicle or relative to seat belt83
- B60R 2022/469ReusableIndexing code35
Recent patents
- Reinforced spool assembly16 Jun 2026US 12,654,982 B2Hornling Industrial Inc.
- Modular system for a belt tightener comprising a spur gear mechanism, and belt tightener12 May 2026US 12,623,627 B2ZF Automotive Germany GmbH
- Webbing take-up device5 May 2026US 12,617,371 B2Kabushiki Kaisha Tokai Rika Denki Seisakusho
- Extendable arm assembly14 Apr 2026US 12,600,317 B1GM Global Technology Operations LLC
- Vehicle sensor device and seat belt retractor employing same14 Apr 2026US 12,600,318 B2Autoliv Development AB
- Webbing take-up device17 Sep 2026US 2026/0274202 A1Kabushiki Kaisha Tokai Rika Denki Seisakusho
- Gas generator27 Aug 2026US 2026/0249802 A1Zf Airbag Germany GmbH
- Webbing take-up device20 Aug 2026US 2026/0241888 A1Kabushiki Kaisha Tokai Rika Denki Seisakusho
- Seat belt retractor and method of producing the same6 Aug 2026US 2026/0225555 A1Ashimori Industry Co., Ltd.
- Seat belt retractor6 Aug 2026US 2026/0225556 A1Ashimori Industry Co., Ltd.
Most cited
By later US patents
- Asset system control arrangement and method407US 7,663,502 B2Intelligent Technologies International, Inc. · 2010
- Method and apparatus for controlling an actuatable restraining device in response to discrete control zones372US 5,413,378 ATRW Vehicle Safety Systems Inc. · 1995
- Monitoring using cellular phones263US 8,035,508 B2Intelligent Technologies International, Inc. · 2011
- Apparatus and method for measuring weight of an occupying item of a seat184US 6,242,701 B1Automotive Technologies International, Inc. · 2001
- Method and apparatus for controlling an actuatable restraining device in response to discrete control zones179US 5,626,359 ATRW Vehicle Safety Systems Inc. · 1997