B66B 2201/243
Distribution of elevator cars
Official title: Distribution of elevator cars, e.g. based on expected future need
B66B2201/243 (Distribution of elevator cars) appears on 51 US grants and 39 published applications in this corpus.
Search patents in B66B- Granted patents
- 51
- Published applications
- 39
- Assignees
- 19
- Inventors
- 100
- Latest grant
- 30 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 5 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 2 |
| 2002 | 2 | 0 |
| 2003 | 1 | 1 |
| 2004 | 1 | 3 |
| 2005 | 1 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 2 |
| 2008 | 2 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 2 |
| 2011 | 0 | 2 |
| 2012 | 1 | 2 |
| 2013 | 1 | 2 |
| 2014 | 2 | 1 |
| 2015 | 4 | 0 |
| 2016 | 0 | 2 |
| 2017 | 0 | 3 |
| 2018 | 1 | 2 |
| 2019 | 2 | 5 |
| 2020 | 4 | 3 |
| 2021 | 0 | 0 |
| 2022 | 3 | 2 |
| 2023 | 3 | 0 |
| 2024 | 1 | 1 |
| 2025 | 1 | 3 |
By publication year. Applications have been published since 2001.
Recent patents
- Occupant-based intelligent elevator actions30 Sep 2025US 12,428,259 B2International Business Machines Corporation
- Automatic cognitive analysis of elevators to reduce passenger wait time6 Aug 2024US 12,054,355 B2Otis Elevator Company
- End-to-end cognitive elevator dispatching system11 Jul 2023US 11,697,571 B2International Business Machines Corporation
- Video analytics based advanced elevator dispatching27 Jun 2023US 11,685,631 B2Otis Elevator Company
- Crowd sensing for elevator systems30 May 2023US 11,661,307 B2Otis Elevator Company
- Systems and methods for parking elevators2 Oct 2025US 2025/0304407 A1Appana Industries LLC
- Method and system for intelligent transport system (its)2 Oct 2025US 2025/0304408 A1Lenovo (Singapore) Pte. Ltd.
- Systems and methods for parking elevators20 Feb 2025US 2025/0058996 A1Appana Industries LLC
- Elevator control4 Jul 2024US 2024/0217775 A1Kone Corporation
- Occupant-based intelligent elevator actions22 Sep 2022US 2022/0297975 A1International Business Machines Corporation
Most cited
By later US patents
- Elevator group management control apparatus and elevator group management control method46US 5,865,274 AKabushiki Kaisha Toshiba · 1999
- Adaptive assignment of elevator car calls41US 4,691,808 AOtis Elevator Company · 1987
- Relative system response elevator dispatcher system using artificial intelligence to vary bonuses and penalties36US 5,024,295 AOtis Elevator Company · 1991
- Elevator system controller and method of controlling elevator system with two elevator cars in single shaft32US 6,364,065 B1Mitsubishi Denki Kabushiki Kaisha · 2002
- "Artificial intelligence" based crowd sensing system for elevator car assignment30US 5,022,497 AOtis Elevator Company · 1991