B66B 17/00
Hoistway equipment
B66B17/00 (Hoistway equipment) appears on 152 US grants and 163 published applications in this corpus.
Search patents in B66B- Granted patents
- 152
- Published applications
- 163
- Assignees
- 53
- Inventors
- 383
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 5 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 1 |
| 2002 | 1 | 2 |
| 2003 | 1 | 1 |
| 2004 | 0 | 3 |
| 2005 | 0 | 0 |
| 2006 | 3 | 2 |
| 2007 | 2 | 4 |
| 2008 | 2 | 3 |
| 2009 | 1 | 4 |
| 2010 | 0 | 4 |
| 2011 | 1 | 5 |
| 2012 | 5 | 3 |
| 2013 | 2 | 4 |
| 2014 | 7 | 7 |
| 2015 | 1 | 7 |
| 2016 | 7 | 12 |
| 2017 | 13 | 6 |
| 2018 | 9 | 10 |
| 2019 | 9 | 9 |
| 2020 | 5 | 16 |
| 2021 | 9 | 11 |
| 2022 | 11 | 11 |
| 2023 | 14 | 11 |
| 2024 | 6 | 6 |
| 2025 | 5 | 10 |
| 2026 | 5 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Elevator power supply22 Sep 2026US 12,741,849 B2Otis Elevator Company
- Protection system for elevators16 Jun 2026US 12,654,990 B2Petral
- Bounce damper for an elevator system16 Jun 2026US 12,654,991 B2Tk Escalator Norte, S.A.
- Autonomous driving vehicle operation system10 Feb 2026US 12,547,185 B2Robo-Hi Corporation
- Sabbath elevator6 Jan 2026US 12,515,915 B2
- Machine room-less elevator traction system and elevator equipment10 Sep 2026US 2026/0265022 A1Otis Elevator Company
- Lift device and elevator27 Aug 2026US 2026/0250102 A1Inventio AG
- Freight elevator pallet rack system13 Aug 2026US 2026/0233974 A1Otis Elevator Company
- Sabbath elevator6 Aug 2026US 2026/0225851 A1
- Elevator lifted by dual-motor drive apparatus30 Jul 2026US 2026/0217496 A1Shanghai Mitsubishi Elevator Co., Ltd.
Most cited
By later US patents
- Automatic storage and retrieval apparatus41US 5,018,926 A1991
- Traction sheave elevator with drive machine below35US 5,469,937 AKone Corporation · 1995
- Device and method for preventing vertical displacements and vertical vibrations of the load carrying means of vertical conveyors27US 6,318,505 B1Inventio AG · 2001
- Apparatus for preventing unintended movement of elevator car25US 5,773,771 A1998
- Elevator platform structure22US 4,063,619 A1977