B66B 1/30
Effective on driving gear
Official title: effective on driving gear {, e.g. acting on power electronics, on inverter or rectifier controlled motor}
B66B1/30 (Effective on driving gear) appears on 476 US grants and 411 published applications in this corpus.
Search patents in B66B- Granted patents
- 476
- Published applications
- 411
- Assignees
- 97
- Inventors
- 723
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 5 | 0 |
| 1978 | 11 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 9 | 0 |
| 1982 | 3 | 0 |
| 1983 | 5 | 0 |
| 1984 | 8 | 0 |
| 1985 | 7 | 0 |
| 1986 | 12 | 0 |
| 1987 | 14 | 0 |
| 1988 | 10 | 0 |
| 1989 | 5 | 0 |
| 1990 | 5 | 0 |
| 1991 | 6 | 0 |
| 1992 | 2 | 0 |
| 1993 | 5 | 0 |
| 1994 | 8 | 0 |
| 1995 | 6 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 8 | 0 |
| 1999 | 14 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 14 |
| 2002 | 20 | 4 |
| 2003 | 3 | 2 |
| 2004 | 3 | 5 |
| 2005 | 1 | 3 |
| 2006 | 4 | 4 |
| 2007 | 5 | 9 |
| 2008 | 3 | 6 |
| 2009 | 5 | 13 |
| 2010 | 9 | 14 |
| 2011 | 11 | 19 |
| 2012 | 12 | 12 |
| 2013 | 10 | 14 |
| 2014 | 17 | 11 |
| 2015 | 7 | 17 |
| 2016 | 13 | 18 |
| 2017 | 13 | 35 |
| 2018 | 27 | 29 |
| 2019 | 20 | 33 |
| 2020 | 22 | 39 |
| 2021 | 22 | 26 |
| 2022 | 22 | 28 |
| 2023 | 20 | 11 |
| 2024 | 6 | 19 |
| 2025 | 17 | 13 |
| 2026 | 21 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Conveyance system with regenerative drive6 Oct 2026US 12,753,042 B2Otis Elevator Company
- Elevator system including wireless power transfer1 Sep 2026US 12,722,937 B2Otis Elevator Company
- Semiconductor module and life prediction system for semiconductor module11 Aug 2026US 12,703,602 B2Mitsubishi Electric Corporation
- Safety control device11 Aug 2026US 12,703,606 B2Otis Elevator Company
- 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
- System and methods for reutilization of elevator's traveling cable on modernizations8 Oct 2026US 2026/0307937 A1Kone Corporation
- Elevator system with control signal isolation during safe torque off10 Sep 2026US 2026/0265018 A1Otis Elevator Company
- Machine room-less elevator traction system and elevator equipment10 Sep 2026US 2026/0265022 A1Otis Elevator Company
- Arrangement for operating an elevator27 Aug 2026US 2026/0250100 A1Kone Corporation
- Sabbath elevator6 Aug 2026US 2026/0225851 A1
Most cited
By later US patents
- Control device for controlling a controlled apparatus, and a control method therefor101US 5,430,642 AHitachi, Ltd. · 1995
- Display control apparatus for elevator91US 4,749,062 AMitsubishi Denki Kabushiki Kaisha · 1988
- Device for driving elevator at service interruption54US 5,285,029 AMitsubishi Denki Kabushiki Kaisha · 1994
- Reserve power system50US 5,896,948 AKone Corporation · 1999
- Transportation system with malfunction monitor47US 3,961,688 AArmor Elevator Company, Inc. · 1976