B66B 17/04
Mining-hoist cars or cages
B66B17/04 (Mining-hoist cars or cages) appears on 8 US grants and 8 published applications in this corpus.
Search patents in B66B- Granted patents
- 8
- Published applications
- 8
- Assignees
- 8
- Inventors
- 36
- Latest grant
- 19 Jul 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 1 |
| 2017 | 2 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 1 | 1 |
| 2021 | 1 | 2 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Mine vertical shaftlifting apparatus, mine vertical shaft lifting system and control method therefor19 Jul 2022US 11,390,489 B2China University of Mining and Technology, Beijing
- Overwinding buffer device and method for vertical hoisting system16 Nov 2021US 11,174,125 B2Taiyuan University of Technology
- Lifting container power generating device using flexible guidance system27 Oct 2020US 10,815,099 B2Jiangsu Normal University
- Cage energy supply system and control method therefor24 Oct 2017US 9,796,559 B2China University of Mining and Technology
- Adjustable intermediate disk body of large double-layer cage and adjusting and moving method thereof4 Jul 2017US 9,695,017 B2China University of Mining and Technology
- Modular platform system for vertical ore stope mining11 Sep 2025US 2025/0283408 A1Nordic Minesteel Technologies Inc.
- Mine vertical shaftlifting apparatus, mine vertical shaft lifting system and control method therefor7 Oct 2021US 2021/0309489 A1China University of Mining and Technology, Beijing
- Overwinding buffer device and method for vertical hoisting system16 Sep 2021US 2021/0284500 A1Taiyuan University of Technology
- Lifting container power generating device using flexible guidance system26 Mar 2020US 2020/0095095 A1Jiangsu Normal University
- Cage energy supply system and control method therefor27 Jul 2017US 2017/0210593 A1China University of Mining and Technology
Most cited
By later US patents