B60L 3/02
Dead-man's devices
B60L3/02 (Dead-man's devices) appears on 33 US grants and 30 published applications in this corpus.
Search patents in B60L- Granted patents
- 33
- Published applications
- 30
- Assignees
- 27
- Inventors
- 77
- Latest grant
- 25 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 3 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 2 | 2 |
| 2013 | 1 | 0 |
| 2014 | 0 | 2 |
| 2015 | 0 | 1 |
| 2016 | 1 | 1 |
| 2017 | 2 | 5 |
| 2018 | 3 | 1 |
| 2019 | 2 | 0 |
| 2020 | 1 | 1 |
| 2021 | 0 | 1 |
| 2022 | 1 | 6 |
| 2023 | 3 | 0 |
| 2024 | 2 | 3 |
| 2025 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Runaway prevention systems and methods for electric vehicles25 Nov 2025US 12,479,313 B2Taiga Motors Inc.
- Service plug, in-vehicle power supply device, and vehicle20 May 2025US 12,304,334 B2Toyota Jidosha Kabushiki Kaisha
- Enhanced tether kill switch24 Dec 2024US 12,172,521 B2TWIG Power, LLC
- Brake handle device and electric tractor10 Sep 2024US 12,084,128 B2Intradin (Shanghai) Machinery Co., Ltd.
- Magnetic tether switch19 Sep 2023US 11,760,198 B2
- Laser machining apparatus and control device19 Sep 2024US 2024/0307999 A1Sisma S.P.A.
- Enhanced tether kill switch15 Aug 2024US 2024/0270071 A1TWIG Power, LLC
- Working machine with a frame structure controlled emergency stop actuator11 Apr 2024US 2024/0120156 A1Volvo Construction Equipment AB
- Magnetic tether switch15 Dec 2022US 2022/0396145 A1
- Runaway prevention systems and methods for electric vehicles10 Nov 2022US 2022/0355676 A1Taiga Motors Inc.
Most cited
By later US patents
- Vigilance monitoring system322US 6,575,902 B1Compumedics Limited · 2003
- Motion control system for materials handling vehicle133US 5,964,313 AThe Raymond Corporation · 1999
- Service braking technique for material handling vehicles32US 5,340,202 AThe Raymond Corporation · 1994
- Multi-speed drive with forward/reverse lockout30US 4,378,855 ATennant Company · 1983
- Driver photographing apparatus25US 5,598,145 AMitsubishi Denki Kabushiki Kaisha · 1997