B66B 1/2433
For elevator systems with a single shaft and multiple cars
Official title: {For elevator systems with a single shaft and multiple cars}
B66B1/2433 (For elevator systems with a single shaft and multiple cars) appears on 33 US grants and 38 published applications in this corpus.
Search patents in B66B- Granted patents
- 33
- Published applications
- 38
- Assignees
- 10
- Inventors
- 80
- Latest grant
- 3 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 2 |
| 2008 | 1 | 2 |
| 2009 | 1 | 0 |
| 2010 | 1 | 2 |
| 2011 | 0 | 2 |
| 2012 | 1 | 3 |
| 2013 | 1 | 0 |
| 2014 | 3 | 3 |
| 2015 | 1 | 2 |
| 2016 | 2 | 2 |
| 2017 | 4 | 6 |
| 2018 | 3 | 5 |
| 2019 | 2 | 1 |
| 2020 | 3 | 2 |
| 2021 | 2 | 3 |
| 2022 | 1 | 2 |
| 2023 | 1 | 1 |
| 2024 | 0 | 0 |
| 2025 | 2 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Multi-car elevator system3 Mar 2026US 12,565,402 B2Mitsubishi Electric Corporation
- Communication solution for an elevator system25 Nov 2025US 12,479,697 B2Kone Corporation
- Durable pneumatic elevator system and methods15 Jul 2025US 12,358,758 B2Inventio AG
- Safety exit assembly for elevator car, and elevator system1 Aug 2023US 11,713,216 B2Otis Elevator Company
- Elevator system accommodating elevator cars having different sizes11 Oct 2022US 11,465,877 B2Kone Corporation
- Durable pneumatic elevator system and methods21 Dec 2023US 2023/0406673 A1Inventio AG
- Safety exit assembly for elevator car, and elevator system5 May 2022US 2022/0135377 A1Otis Elevator Company
- Elevator car mover providing intelligent control based on battery state of charge17 Feb 2022US 2022/0048730 A1Otis Elevator Company
- Elevator cars30 Dec 2021US 2021/0403288 A1Otis Elevator Company
- Multi-car elevator system23 Dec 2021US 2021/0395040 A1Mitsubishi Electric Corporation
Most cited
By later US patents
- Elevator system with multiple cars in the same hoistway55US 5,419,414 A1995
- Controller of one-shaft multi-car system elevator22US 7,487,860 B2Mitsubishi Denki Kabushiki Kaisha · 2009
- Coordination of multiple elevator cars in a hoistway15US 8,297,409 B2Otis Elevator Company · 2012
- Elevator group management controller11US 7,392,884 B2Mitsubishi Denki Kabushiki Kaisha · 2008
- Elevator control of an elevator installation10US 8,739,936 B2Inventio AG · 2014