B60P 1/4478
Safety stops, switches
Official title: {Safety stops, switches}
B60P1/4478 (Safety stops, switches) appears on 23 US grants and 17 published applications in this corpus.
Search patents in B60P- Granted patents
- 23
- Published applications
- 17
- Assignees
- 22
- Inventors
- 48
- Latest grant
- 25 Mar 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 1 |
| 2016 | 1 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 1 | 1 |
| 2021 | 1 | 5 |
| 2022 | 1 | 2 |
| 2023 | 1 | 0 |
| 2024 | 1 | 1 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
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- Multiple use actuation system for vertical rail liftgate23 May 2023US 11,654,816 B2Liftwave, Inc.
- Wheelchair lift bridge plate catch22 Nov 2022US 11,504,285 B2Roxana Developments Limited
- Liftgate alert apparatus20 Jul 2021US 11,065,999 B2
- Rear Lift Sensing System8 May 2025US 2025/0145072 A1Harmar Mobility, LLC
- Vehicle intelligent lifting system26 Sep 2024US 2024/0315895 A1Chungan Technology Co., Ltd.
- Vehicle intelligent lifting system3 Nov 2022US 2022/0350327 A1Chungan Technology Co., Ltd.
- Multiple use actuation system for vertical rail liftgate16 Jun 2022US 2022/0185164 A1Liftwave, Inc. DBA Rise Robotics
- Freight transport carrier28 Oct 2021US 2021/0331616 A1Marion Body Works, Inc.
Most cited
By later US patents
- Power safety barrier for wheelchair lift31US 6,203,266 B1Ricon Corporation · 2001
- Stowable lift for freight vehicles23US 4,806,062 AMaxon Industries, Inc. · 1989
- Safety guard for pedestrian-operated machines having rotatable blades21US 5,703,450 A1997
- Loading device for goods vehicles18US 4,147,261 AFirma Emil Dautel, Kipperbau · 1979
- Vehicular delivery ramp apparatus17US 4,005,788 APepsi Co. Inc. · 1977