B60R 21/01
Electrical circuits for triggering passive safety arrangements
Official title: Electrical circuits for triggering {passive} safety arrangements, {e.g. airbags, safety belt tighteners,} in case of vehicle accidents or impending vehicle accidents {(electrical circuits for transmission of signals between steering wheel and the vehicle itself B60R16/027; for electrically actuating belt retractor locking means B60R22/343)}
B60R21/01 (Electrical circuits for triggering passive safety arrangements) appears on 6,893 US grants and 6,424 published applications in this corpus.
Search patents in B60R- Granted patents
- 6,893
- Published applications
- 6,424
- Assignees
- 1,230
- Inventors
- 10,273
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 13 | 0 |
| 1977 | 7 | 0 |
| 1978 | 8 | 0 |
| 1979 | 6 | 0 |
| 1980 | 5 | 0 |
| 1981 | 8 | 0 |
| 1982 | 5 | 0 |
| 1983 | 4 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 4 | 0 |
| 1987 | 8 | 0 |
| 1988 | 3 | 0 |
| 1989 | 16 | 0 |
| 1990 | 23 | 0 |
| 1991 | 45 | 0 |
| 1992 | 45 | 0 |
| 1993 | 50 | 0 |
| 1994 | 67 | 0 |
| 1995 | 82 | 0 |
| 1996 | 84 | 0 |
| 1997 | 88 | 0 |
| 1998 | 116 | 0 |
| 1999 | 163 | 0 |
| 2000 | 180 | 0 |
| 2001 | 271 | 75 |
| 2002 | 234 | 237 |
| 2003 | 262 | 284 |
| 2004 | 243 | 361 |
| 2005 | 210 | 352 |
| 2006 | 244 | 354 |
| 2007 | 207 | 319 |
| 2008 | 233 | 304 |
| 2009 | 205 | 261 |
| 2010 | 220 | 187 |
| 2011 | 205 | 169 |
| 2012 | 137 | 110 |
| 2013 | 169 | 181 |
| 2014 | 147 | 166 |
| 2015 | 181 | 212 |
| 2016 | 195 | 176 |
| 2017 | 201 | 266 |
| 2018 | 229 | 311 |
| 2019 | 281 | 360 |
| 2020 | 294 | 391 |
| 2021 | 300 | 317 |
| 2022 | 310 | 278 |
| 2023 | 280 | 239 |
| 2024 | 264 | 250 |
| 2025 | 231 | 159 |
| 2026 | 105 | 105 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B60R 21/013Including means for detecting collisions, impending collisions or roll-over3,426
- B60R 21/015Including means for detecting the presence or position of passengers, passenger seats2,983
- B60R 2021/01204Actuation parameters of safety arrangentsIndexing code851
- B60R 21/017Including arrangements for providing electric power to safety arrangements or their actuating639
- B60R 2021/01013Means for detecting collision, impending collision or roll-overIndexing code422
- B60R 2021/0104Communication circuits for data transmissionIndexing code381
- B60R 2021/01122Prevention of malfunctionIndexing code271
- B60R 2021/01286Electronic control unitsIndexing code232
Recent patents
- Vehicle control system for tire instability incidents6 Oct 2026US 12,752,771 B2Fca US LLC
- Systems and methods for in-cabin monitoring with liveliness detection6 Oct 2026US 12,754,318 B2Ford Global Technologies, LLC
- System and method for campsite monitoring using vehicle sensors29 Sep 2026US 12,746,883 B2Rivian IP Holdings, LLC
- Working machine with a frame structure controlled emergency stop actuator22 Sep 2026US 12,741,619 B2Volvo Construction Equipment AB
- Enhanced discrimination method and apparatus for controlling an actuatable protection device15 Sep 2026US 12,734,985 B2ZF Friedrichshafen AG
- Impact and Vibration Mitigation for Cushion Systems8 Oct 2026US 2026/0307561 A1Kalogon, Inc.
- Pedestrian protection device8 Oct 2026US 2026/0307614 A1Subaru Corporation
- Pedestrian protection device8 Oct 2026US 2026/0307615 A1Subaru Corporation
- Information processing method1 Oct 2026US 2026/0296350 A1Toyota Jidosha Kabushiki Kaisha
- Restraint system, vehicle seat, and corresponding method1 Oct 2026US 2026/0296351 A1Autoliv Development AB
Most cited
By later US patents
- Video mirror systems incorporating an accessory module1,905US 6,690,268 B2Donnelly Corporation · 2004
- Automatic rearview mirror system using a photosensor array1,778US 5,550,677 ADonnelly Corporation · 1996
- Rearview vision system for vehicle including panoramic view1,778US 5,670,935 ADonnelly Corporation · 1997
- Vehicle headlight control using imaging sensor1,368US 5,796,094 ADonnelly Corporation · 1998
- Display enhancements for vehicle vision system1,367US 5,949,331 ADonnelly Corporation · 1999