B66B 11/0293
Suspension locking or inhibiting means to avoid movement when car is stopped
Official title: {Suspension locking or inhibiting means to avoid movement when car is stopped at a floor (locking car to building while loading to avoid movement B66B17/34)}
B66B11/0293 (Suspension locking or inhibiting means to avoid movement when car is stopped) appears on 21 US grants and 20 published applications in this corpus.
Search patents in B66B- Granted patents
- 21
- Published applications
- 20
- Assignees
- 7
- Inventors
- 54
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 1 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 3 |
| 2016 | 1 | 1 |
| 2017 | 3 | 0 |
| 2018 | 0 | 3 |
| 2019 | 2 | 1 |
| 2020 | 1 | 0 |
| 2021 | 2 | 1 |
| 2022 | 0 | 2 |
| 2023 | 4 | 1 |
| 2024 | 0 | 1 |
| 2025 | 0 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Bounce damper for an elevator system16 Jun 2026US 12,654,991 B2Tk Escalator Norte, S.A.
- Stabilizing assemblies and methods of use thereof5 Dec 2023US 11,834,300 B2TK Elevator Innovation and Operations GmbH
- Guide device for an elevator car and elevator system5 Dec 2023US 11,834,301 B2Otis Elevator Company
- Roller system, roller braking device and elevator system6 Jun 2023US 11,667,496 B2Otis Elevator Company
- Stabilizing device of elevator car and an elevator system31 Jan 2023US 11,565,909 B2Otis Elevator Company
- Device for reducing bouncing of elevator car28 Aug 2025US 2025/0270070 A1Hyundai Elevator Co., Ltd.
- Bounce damper for an elevator system19 Jun 2025US 2025/0197167 A1Tk Escalator Norte, S.A.
- Elevator parking brake, method for operating an elevator parking brake, and control device for an elevator parking brake10 Oct 2024US 2024/0336455 A1Kone Corporation
- Stabilizing assemblies and methods of use thereof16 Feb 2023US 2023/0047079 A1TK Elevator Innovation and Operations GmbH
- Guide device for an elevator car and elevator system22 Dec 2022US 2022/0402728 A1Otis Elevator Company
Most cited
By later US patents
- Device and method for preventing vertical displacements and vertical vibrations of the load carrying means of vertical conveyors27US 6,318,505 B1Inventio AG · 2001
- Method of, and apparatus for, absorbing vibrations in cars of high-speed elevators24US 5,020,639 AInventio AG · 1991
- Unintended movement governor24US 7,775,330 B2Kone Corporation · 2010
- Lift car support12US 4,660,682 AElevators Pty. Limited · 1987
- Elevator car positioning including gain adjustment based upon whether a vibration damper is activated8US 8,746,411 B2Otis Elevator Company · 2014