B66B 5/048
Testing of overspeed governor
Official title: {Testing of overspeed governor}
B66B5/048 (Testing of overspeed governor) appears on 17 US grants and 14 published applications in this corpus.
Search patents in B66B- Granted patents
- 17
- Published applications
- 14
- Assignees
- 7
- Inventors
- 28
- Latest grant
- 28 Feb 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 2 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 3 |
| 2013 | 0 | 0 |
| 2014 | 2 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 1 |
| 2019 | 1 | 4 |
| 2020 | 1 | 2 |
| 2021 | 2 | 0 |
| 2022 | 1 | 0 |
| 2023 | 1 | 0 |
| 2024 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Remote triggering device, overspeed governor assembly and elevator system28 Feb 2023US 11,591,185 B2Otis Elevator Company
- Actuator, remote triggering device, governor assembly and elevator13 Dec 2022US 11,524,871 B2Otis Elevator Company
- Remote triggering device, governor assembly and elevator7 Dec 2021US 11,192,753 B2Otis Elevator Company
- Method and system of reducing false actuation of safety brakes in elevator system29 Jun 2021US 11,046,552 B2Otis Elevator Company
- Remote triggering device, overspeed governor assembly and elevator1 Sep 2020US 10,759,631 B2Otis Elevator Company
- Verifying configuration parameter changes in an elevator safety system27 Jun 2024US 2024/0208775 A1Otis Elevator Company
- Remote triggering device, overspeed governor assembly and elevator system9 Apr 2020US 2020/0109032 A1Otis Elevator Company
- Fall-arrest device test systems and methods19 Mar 2020US 2020/0087112 A1
- Method and system of reducing false actuation of safety brakes in elevator system3 Oct 2019US 2019/0300331 A1Otis Elevator Company
- Remote triggering device, governor assembly and elevator4 Jul 2019US 2019/0202664 A1Otis Elevator Company
Most cited
By later US patents
- Method and appliance for tripping the safety gear of an elevator using an overspeed governor18US 7,537,090 B2Kone Corporation · 2009
- Elevator governor checking and adjusting method13US 6,227,334 B1Mitsubishi Denki Kabushiki Kaisha · 2001
- Method and system for detecting and stopping uncontrolled movement of an elevator car in an elevator13US 7,617,911 B2Kone Corporation · 2009
- Automatically resetting safety brake12US 4,258,832 AEast Moline Metal Products Company · 1981
- Apparatus in the overspeed governor of an elevator12US 5,565,660 AKone Corporation · 1996