B66B 1/304
With starting torque control
Official title: {with starting torque control}
B66B1/304 (With starting torque control) appears on 23 US grants and 20 published applications in this corpus.
Search patents in B66B- Granted patents
- 23
- Published applications
- 20
- Assignees
- 12
- Inventors
- 60
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 2 |
| 2012 | 0 | 2 |
| 2013 | 1 | 3 |
| 2014 | 2 | 1 |
| 2015 | 0 | 0 |
| 2016 | 2 | 1 |
| 2017 | 1 | 5 |
| 2018 | 3 | 0 |
| 2019 | 3 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 1 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 0 | 2 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Methods for identifying at least one parameter of a permanent magnet motor of an elevator, elevator drive units, and elevators4 Aug 2026US 12,698,182 B2Kone Corporation
- Elevator control device14 Jul 2026US 12,679,692 B2Mitsubishi Electric Corporation
- Method for determining a stator current vector for starting a synchronous machine of a drive of a passenger transportation apparatus26 Nov 2019US 10,486,936 B2thyssenkrupp AG
- Method and apparatus for automatic determination of elevator drive configuration12 Nov 2019US 10,472,203 B2Kone Corporation
- Method of eliminating a jerk arising by accelerating an elevator car12 Nov 2019US 10,472,208 B2Kone Corporation
- Elevator run profile adaptation method8 May 2025US 2025/0145409 A1Otis Elevator Company
- Method for determining a lead torque of an elevator system13 Feb 2025US 2025/0051130 A1Inventio AG
- Drive system and method for controlling a drive system18 May 2023US 2023/0150794 A1Kone Corporation
- Elevator control device5 May 2022US 2022/0135367 A1Mitsubishi Electric Corporation
- Methods for identifying at least one parameter of a permanent magnet motor of an elevator, elevator drive units, and elevators30 Sep 2021US 2021/0300722 A1Kone Corporation
Most cited
By later US patents
- Power factor controller for active converter22US 5,808,880 AOtis Elevator Company · 1998
- Elevator start control technique for reduced start jerk and acceleration overshoot21US 5,076,399 AOtis Elevator Company · 1991
- Bi-directional d.c./d.c. converter compatible with an inverter bridge20US 4,894,765 AKone Elevator GmbH · 1990
- Elevator control apparatus13US 5,025,896 AHitachi, Ltd. · 1991
- Brake control system in elevator control apparatus12US 5,247,140 AOtis Elevator Company · 1993