B66B 1/02
Control systems without regulation, i.e. without retroactive action
B66B1/02 (Control systems without regulation, i.e. without retroactive action) appears on 268 US grants and 216 published applications in this corpus.
Search patents in B66B- Granted patents
- 268
- Published applications
- 216
- Assignees
- 73
- Inventors
- 520
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 6 | 0 |
| 1978 | 10 | 0 |
| 1979 | 2 | 0 |
| 1980 | 5 | 0 |
| 1981 | 9 | 0 |
| 1982 | 8 | 0 |
| 1983 | 1 | 0 |
| 1984 | 7 | 0 |
| 1985 | 5 | 0 |
| 1986 | 0 | 0 |
| 1987 | 4 | 0 |
| 1988 | 5 | 0 |
| 1989 | 5 | 0 |
| 1990 | 2 | 0 |
| 1991 | 5 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 10 | 0 |
| 1995 | 7 | 0 |
| 1996 | 5 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 9 | 0 |
| 2000 | 2 | 0 |
| 2001 | 5 | 0 |
| 2002 | 3 | 2 |
| 2003 | 4 | 6 |
| 2004 | 2 | 9 |
| 2005 | 8 | 8 |
| 2006 | 7 | 6 |
| 2007 | 2 | 9 |
| 2008 | 8 | 5 |
| 2009 | 8 | 4 |
| 2010 | 5 | 0 |
| 2011 | 3 | 5 |
| 2012 | 4 | 3 |
| 2013 | 4 | 7 |
| 2014 | 5 | 8 |
| 2015 | 2 | 3 |
| 2016 | 7 | 4 |
| 2017 | 5 | 4 |
| 2018 | 1 | 8 |
| 2019 | 2 | 21 |
| 2020 | 7 | 14 |
| 2021 | 5 | 12 |
| 2022 | 11 | 19 |
| 2023 | 10 | 26 |
| 2024 | 10 | 15 |
| 2025 | 10 | 9 |
| 2026 | 12 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Wireless power supply system22 Sep 2026US 12,741,845 B2Mitsubishi Electric Corporation
- Elevator machine braking22 Sep 2026US 12,744,477 B2Otis Elevator Company
- Elevator machine braking1 Sep 2026US 12,726,143 B2Otis Elevator Company
- Freestanding Kojo helipad for VTOL flying cars11 Aug 2026US 12,703,981 B2
- Method of operating a mining hoist4 Aug 2026US 12,698,711 B2ABB Schweiz AG
- Method for switching off the operation of an elevator, and elevator controller16 Jul 2026US 2026/0200696 A1Inventio AG
- Management method, module, elevator power supply system, elevator, electronic device and medium25 Jun 2026US 2026/0176103 A1Inventio AG
- Car for an elevator, and elevator28 May 2026US 2026/0145911 A1Inventio AG
- Method for repositioning an elevator car by using an edge device21 May 2026US 2026/0138848 A1Inventio AG
- Autonomous driving vehicle operation system14 May 2026US 2026/0133589 A1Robo-Hi Corporation
Most cited
By later US patents
- Elevator management system time based security93US 5,159,163 AOtis Elevator Company · 1992
- Elevator controller88US 4,979,593 AMitsubishi Denki Kabushiki Kaisha · 1990
- Apparatus and methods for detecting number of people waiting in an elevator hall using plural image processing means with overlapping fields of view69US 5,298,697 AHitachi, Ltd. · 1994
- Remotely controlled elevator operating apparatus58US 6,986,408 B2Mitsubishi Denki Kabushiki Kaisha · 2006
- Group-control method and apparatus for an elevator system with plural cages49US 4,947,965 AHitachi, Ltd. · 1990