B66B 5/282
Structure thereof
Official title: {Structure thereof}
B66B5/282 (Structure thereof) appears on 28 US grants and 33 published applications in this corpus.
Search patents in B66B- Granted patents
- 28
- Published applications
- 33
- Assignees
- 18
- Inventors
- 90
- Latest grant
- 27 Feb 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 1 | 4 |
| 2007 | 1 | 2 |
| 2008 | 0 | 2 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 2 | 2 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 3 |
| 2019 | 0 | 2 |
| 2020 | 3 | 1 |
| 2021 | 5 | 4 |
| 2022 | 1 | 2 |
| 2023 | 2 | 2 |
| 2024 | 1 | 0 |
| 2025 | 0 | 1 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Double impact area buffer for improved plank27 Feb 2024US 11,912,538 B2Otis Elevator Company
- Elevator buffering device and elevator system27 Jun 2023US 11,685,632 B2Otis Elevator Company
- Hydraulic buffer energy storage device and system for over-discharged hoist skip in vertical shaft14 Mar 2023US 11,603,291 B2Foshan University
- Damper for elevator, and elevator16 Aug 2022US 11,414,300 B2Mitsubishi Electric Corporation
- Overwinding buffer device and method for vertical hoisting system16 Nov 2021US 11,174,125 B2Taiyuan University of Technology
- Pit buffer stand, elevator system and method of using the pit buffer stand for maintaining an elevator system18 Jun 2026US 2026/0167457 A1Otis Elevator Company
- Effective gravity control device installed in building2 Apr 2026US 2026/0091954 A1Liin Technologies Incorporated
- Elevator system and method for operating an elevator system6 Feb 2025US 2025/0042694 A1Inventio AG
- Double impact area buffer for improved plank29 Jun 2023US 2023/0202799 A1Otis Elevator Company
- Hydraulic buffer energy storage device and system for over-discharged hoist skip in vertical shaft12 Jan 2023US 2023/0012221 A1Foshan University
Most cited
By later US patents
- Impact member with multiple concentric gas cushions inflated in sequence13US 5,181,697 ADiehl GmbH & Co. · 1993
- Shock absorbers for elevators12US 4,015,835 AR. Stahl Aufzuege GmbH · 1977
- Hydraulic buffer for elevators10US 4,635,907 AOtis Elevator Company · 1987
- Buffer device for elevator7US 4,515,248 AMitsubishi Denki Kabushiki Kaisha · 1985
- One to two stroke roped elevator pit buffers5US 5,195,616 AOtis Elevator Company · 1993