B66B 2201/306
Multi-deck elevator cars
B66B2201/306 (Multi-deck elevator cars) appears on 57 US grants and 43 published applications in this corpus.
Search patents in B66B- Granted patents
- 57
- Published applications
- 43
- Assignees
- 20
- Inventors
- 93
- Latest grant
- 25 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 4 | 0 |
| 1998 | 5 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 2 |
| 2002 | 3 | 2 |
| 2003 | 2 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 1 |
| 2006 | 1 | 1 |
| 2007 | 0 | 1 |
| 2008 | 2 | 2 |
| 2009 | 1 | 1 |
| 2010 | 3 | 2 |
| 2011 | 0 | 2 |
| 2012 | 2 | 6 |
| 2013 | 3 | 1 |
| 2014 | 3 | 4 |
| 2015 | 3 | 2 |
| 2016 | 2 | 3 |
| 2017 | 5 | 1 |
| 2018 | 0 | 2 |
| 2019 | 1 | 1 |
| 2020 | 0 | 1 |
| 2021 | 1 | 4 |
| 2022 | 1 | 1 |
| 2023 | 1 | 0 |
| 2024 | 0 | 2 |
| 2025 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Elevator system having two shafts25 Nov 2025US 12,479,700 B2TK Elevator Innovation and Operations GmbH
- Elevator car and construction-time elevator arrangement and method27 May 2025US 12,312,212 B2Kone Corporation
- Safety exit assembly for elevator car, and elevator system1 Aug 2023US 11,713,216 B2Otis Elevator Company
- Position adjusting device and method for elevator frame, elevator frame and elevator15 Nov 2022US 11,498,810 B2Otis Elevator Company
- Elevator cab suspension assembly for a double deck elevator26 Jan 2021US 10,899,580 B2Otis Elevator Company
- Duplex elevator4 Apr 2024US 2024/0109755 A1BASE AND POWER CITY Corp.
- Duplex window and window system including same4 Apr 2024US 2024/0110435 A1BASE AND POWER CITY Corp.
- Safety exit assembly for elevator car, and elevator system5 May 2022US 2022/0135377 A1Otis Elevator Company
- Elevator cars30 Dec 2021US 2021/0403288 A1Otis Elevator Company
- Position adjusting device and method for elevator frame, elevator frame and elevator30 Sep 2021US 2021/0300725 A1Otis Elevator Company
Most cited
By later US patents
- Elevator system floor call registering circuit33US 4,836,336 AInventio AG · 1989
- Elevator system, including control method for controlling, multiple cars in a single shaft33US 6,360,849 B1Mitsubishi Denki Kabushiki Kaisha · 2002
- Procedure for control of an elevator group consisting of double-deck elevators, which optimizes passenger journey time29US 6,237,721 B1Kone Corporation · 2001
- Elevator call allocation and routing system23US 7,694,781 B2Kone Corporation · 2010
- Method and apparatus for the group control of elevators with double cars22US 4,993,518 AInventio AG · 1991