B66B 1/343
Fault-tolerant or redundant control system configuration
Official title: {Fault-tolerant or redundant control system configuration}
B66B1/343 (Fault-tolerant or redundant control system configuration) appears on 20 US grants and 21 published applications in this corpus.
Search patents in B66B- Granted patents
- 20
- Published applications
- 21
- Assignees
- 6
- Inventors
- 53
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 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 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 2 |
| 2011 | 1 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 2 |
| 2019 | 1 | 2 |
| 2020 | 1 | 3 |
| 2021 | 0 | 0 |
| 2022 | 3 | 3 |
| 2023 | 1 | 3 |
| 2024 | 0 | 2 |
| 2025 | 2 | 1 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Safety control device11 Aug 2026US 12,703,606 B2Otis Elevator Company
- Elevator communication system2 Jun 2026US 12,643,767 B2Kone Corporation
- Elevator communication system26 May 2026US 12,637,322 B2Kone Corporation
- Elevator control system with reliability monitoring23 Sep 2025US 12,421,078 B2Otis Elevator Company
- Elevator communication system16 Sep 2025US 12,415,705 B2Kone Corporation
- Elevator communication system3 Sep 2026US 2026/0257886 A1Kone Corporation
- Modular computing system and people movement management system30 Oct 2025US 2025/0333265 A1Kone Corporation
- Elevator safety system, elevator system and elevator car rescue run method19 Sep 2024US 2024/0308814 A1Kone Corporation
- Distributed Screw and Nut Drive Systems with Synchronized Motors for Lifts23 May 2024US 2024/0166470 A1
- Elevator communication system26 Jan 2023US 2023/0024201 A1Kone Corporation
Most cited
By later US patents
- Two-way ring communication system for elevator group control39US 5,202,540 AOtis Elevator Company · 1993
- Fail-safe power control apparatus16US 7,896,135 B2Kone Corporation · 2011
- Fail-safe power control apparatus with controllable change-over switches15US 8,096,387 B2Kone Corporation · 2012
- Elevator control apparatus13US 4,210,226 AMitsubishi Denki Kabushiki Kaisha · 1980
- Elevator system9US 4,162,719 AWestinghouse Electric Corp. · 1979