B66B 1/36
Means for stopping the cars, cages, or skips at predetermined levels
B66B1/36 (Means for stopping the cars, cages, or skips at predetermined levels) appears on 239 US grants and 233 published applications in this corpus.
Search patents in B66B- Granted patents
- 239
- Published applications
- 233
- Assignees
- 72
- Inventors
- 576
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 2 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 5 | 0 |
| 1983 | 4 | 0 |
| 1984 | 4 | 0 |
| 1985 | 4 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 7 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 3 | 0 |
| 1994 | 6 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 5 | 0 |
| 1998 | 3 | 0 |
| 1999 | 6 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 2 |
| 2003 | 1 | 2 |
| 2004 | 3 | 2 |
| 2005 | 1 | 5 |
| 2006 | 5 | 4 |
| 2007 | 2 | 4 |
| 2008 | 4 | 2 |
| 2009 | 4 | 3 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
| 2012 | 2 | 5 |
| 2013 | 1 | 3 |
| 2014 | 3 | 3 |
| 2015 | 4 | 15 |
| 2016 | 3 | 8 |
| 2017 | 15 | 25 |
| 2018 | 10 | 22 |
| 2019 | 20 | 16 |
| 2020 | 12 | 21 |
| 2021 | 10 | 19 |
| 2022 | 9 | 16 |
| 2023 | 7 | 13 |
| 2024 | 9 | 17 |
| 2025 | 12 | 10 |
| 2026 | 12 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Autonomous human-machine-interface in the form of a landing operation panel or a landing information panel for an elevator installation28 Jul 2026US 12,692,122 B2Inventio AG
- Systems and methods for monitoring elevator dual coil electromechanical brakes28 Jul 2026US 12,692,126 B2TK Elevator Innovation and Operations GmbH
- Precise elevator car speed and position system7 Apr 2026US 12,595,152 B2TK Elevator Corporation
- Method for controlling an elevator installation by using a computer-controlled mobile device31 Mar 2026US 12,589,972 B2Inventio AG
- Systems and methods for determining elevator loads24 Mar 2026US 12,583,711 B2Appana Industries LLC
- Elevator system3 Sep 2026US 2026/0257889 A1Mitsubishi Electric Corporation
- Lift Drawn by Motor Driver20 Aug 2026US 2026/0242182 A1Shanghai Mitsubishi Elevator Co., Ltd.
- Elevator system having enhanced elevator car deceleration13 Aug 2026US 2026/0233971 A1Otis Elevator Company
- Elevator platform locking systems6 Aug 2026US 2026/0225850 A1Otis Elevator Company
- Sabbath elevator6 Aug 2026US 2026/0225851 A1
Most cited
By later US patents
- Twin post, telescoping jack hydraulic elevator system35US 5,597,987 ADelaware Capital Formation, Inc. · 1997
- Arrangement for detecting elevator car position33US 5,509,505 AOtis Elevator Company · 1996
- Method for monitoring elevator leveling performance with improved accuracy31US 5,889,239 AOtis Elevator Company · 1999
- Unitary elevator up level control valve28US 4,011,888 AElevator Equipment Co. · 1977
- Elevator system leveling safeguard control and method25US 4,785,914 AWestinghouse Electric Corp. · 1988