B66B 1/24
Control systems with regulation, i.e. with retroactive action, for influencing travelling speed
Official title: Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration
B66B1/24 (Control systems with regulation, i.e. with retroactive action, for influencing travelling speed) appears on 1,669 US grants and 1,488 published applications in this corpus.
Search patents in B66B- Granted patents
- 1,669
- Published applications
- 1,488
- Assignees
- 230
- Inventors
- 2,127
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 17 | 0 |
| 1978 | 21 | 0 |
| 1979 | 9 | 0 |
| 1980 | 10 | 0 |
| 1981 | 13 | 0 |
| 1982 | 18 | 0 |
| 1983 | 13 | 0 |
| 1984 | 18 | 0 |
| 1985 | 25 | 0 |
| 1986 | 23 | 0 |
| 1987 | 33 | 0 |
| 1988 | 35 | 0 |
| 1989 | 21 | 0 |
| 1990 | 20 | 0 |
| 1991 | 39 | 0 |
| 1992 | 18 | 0 |
| 1993 | 34 | 0 |
| 1994 | 30 | 0 |
| 1995 | 23 | 0 |
| 1996 | 16 | 0 |
| 1997 | 21 | 0 |
| 1998 | 25 | 0 |
| 1999 | 30 | 0 |
| 2000 | 7 | 0 |
| 2001 | 18 | 19 |
| 2002 | 33 | 10 |
| 2003 | 13 | 9 |
| 2004 | 8 | 14 |
| 2005 | 7 | 11 |
| 2006 | 14 | 16 |
| 2007 | 7 | 21 |
| 2008 | 15 | 26 |
| 2009 | 18 | 33 |
| 2010 | 25 | 41 |
| 2011 | 33 | 49 |
| 2012 | 47 | 55 |
| 2013 | 37 | 49 |
| 2014 | 46 | 38 |
| 2015 | 35 | 68 |
| 2016 | 45 | 68 |
| 2017 | 48 | 133 |
| 2018 | 76 | 128 |
| 2019 | 86 | 140 |
| 2020 | 84 | 148 |
| 2021 | 64 | 116 |
| 2022 | 84 | 103 |
| 2023 | 78 | 58 |
| 2024 | 71 | 52 |
| 2025 | 78 | 50 |
| 2026 | 69 | 33 |
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
- Time-based system and method for determining suspension member elongation15 Sep 2026US 12,735,296 B2Otis Elevator Company
- Method and apparatus for controlling an elevator car8 Sep 2026US 12,729,094 B2Hyundai Motor Company
- Method for controlling an elevator1 Sep 2026US 12,722,936 B2Kone Corporation
- Elevator system including wireless power transfer1 Sep 2026US 12,722,937 B2Otis Elevator Company
- 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
- Elevator communication system3 Sep 2026US 2026/0257886 A1Kone Corporation
- Arrangement for operating an elevator27 Aug 2026US 2026/0250100 A1Kone Corporation
Most cited
By later US patents
- Computerized information presentation apparatus421US 8,290,778 B22012
- Computerized information presentation apparatus419US 8,285,553 B22012
- Computerized information presentation apparatus419US 8,296,146 B22012
- Computerized information presentation apparatus416US 8,290,781 B22012
- Adaptive information presentation apparatus and methods415US 8,117,037 B22012