B66B 9/00
Kinds or types of lifts in, or associated with, buildings or other
Official title: Kinds or types of lifts in, or associated with, buildings or other structures (characterised by control systems B66B1/00; apparatus for raising or lowering persons on stages of theatres A63J5/12)
B66B9/00 (Kinds or types of lifts in, or associated with, buildings or other) appears on 1,421 US grants and 1,372 published applications in this corpus.
Search patents in B66B- Granted patents
- 1,421
- Published applications
- 1,372
- Assignees
- 441
- Inventors
- 2,286
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 15 | 0 |
| 1977 | 14 | 0 |
| 1978 | 6 | 0 |
| 1979 | 6 | 0 |
| 1980 | 5 | 0 |
| 1981 | 9 | 0 |
| 1982 | 13 | 0 |
| 1983 | 5 | 0 |
| 1984 | 10 | 0 |
| 1985 | 17 | 0 |
| 1986 | 5 | 0 |
| 1987 | 20 | 0 |
| 1988 | 12 | 0 |
| 1989 | 12 | 0 |
| 1990 | 19 | 0 |
| 1991 | 17 | 0 |
| 1992 | 23 | 0 |
| 1993 | 22 | 0 |
| 1994 | 23 | 0 |
| 1995 | 14 | 0 |
| 1996 | 24 | 0 |
| 1997 | 20 | 0 |
| 1998 | 26 | 0 |
| 1999 | 30 | 0 |
| 2000 | 21 | 0 |
| 2001 | 19 | 4 |
| 2002 | 25 | 18 |
| 2003 | 14 | 15 |
| 2004 | 15 | 15 |
| 2005 | 9 | 31 |
| 2006 | 16 | 25 |
| 2007 | 20 | 44 |
| 2008 | 19 | 37 |
| 2009 | 15 | 26 |
| 2010 | 16 | 17 |
| 2011 | 23 | 39 |
| 2012 | 16 | 17 |
| 2013 | 15 | 33 |
| 2014 | 24 | 45 |
| 2015 | 27 | 62 |
| 2016 | 41 | 95 |
| 2017 | 61 | 162 |
| 2018 | 84 | 169 |
| 2019 | 114 | 98 |
| 2020 | 91 | 87 |
| 2021 | 79 | 81 |
| 2022 | 69 | 77 |
| 2023 | 69 | 55 |
| 2024 | 54 | 46 |
| 2025 | 57 | 34 |
| 2026 | 41 | 40 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B66B 9/06Inclined272
- B66B 9/16Mobile or transportable lifts specially adapted to be shifted from one part212
- B66B 9/02Actuated mechanically otherwise than by rope or cable200
- B66B 9/003Kinds or types of lifts in, or associated with, buildings or other164
- B66B 9/04Actuated pneumatically or hydraulically159
- B66B 2009/006Ganged elevatorIndexing code23
- B66B 9/10Paternoster type17
Recent patents
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- Autonomous elevator car mover configured with guide wheels6 Oct 2026US 12,753,046 B2Otis Elevator Company
- Hoistway mechanics of panoramic vacuum elevator29 Sep 2026US 12,747,136 B2Blissera Corp.
- Elevator power supply22 Sep 2026US 12,741,849 B2Otis Elevator Company
- Carriage lifting/lowering device15 Sep 2026US 12,735,297 B2Murata Machinery, Ltd.
- An airflow controller in a pneumatic vacuum elevator and a method to operate the same8 Oct 2026US 2026/0307943 A1
- Wall climbing elevator systems8 Oct 2026US 2026/0307944 A1Otis Elevator Company
- Wind turbine blade assembly device for easy installation and removal in vertical position8 Oct 2026US 2026/0309127 A1CLS Wind LLC
- Rail segment system for modular stairlifts1 Oct 2026US 2026/0296834 A1LeafFilter North, LLC
- Cable tensioning system for modular stairlifts1 Oct 2026US 2026/0296835 A1LeafFilter North, LLC
Most cited
By later US patents
- Automated material handling system with motorized transfer vehicles276US 7,101,139 B12006
- Elevator system199US 6,062,344 AMitsubishi Denki Kabushiki Kaisha · 2000
- Automated material handling system with load transfer vehicles189US 7,931,431 B2BEC Companies, Inc. · 2011
- Wheelchair stair climbing control system110US 5,123,495 AQuest Technologies, Inc. · 1992
- Cableless elevator system89US 5,501,295 AInventio AG · 1996