B66B 17/26
For loading or unloading mining-hoist skips
Official title: for loading or unloading mining-hoist skips
B66B17/26 (For loading or unloading mining-hoist skips) appears on 6 US grants and 5 published applications in this corpus.
Search patents in B66B- Granted patents
- 6
- Published applications
- 5
- Assignees
- 4
- Inventors
- 21
- Latest grant
- 13 Jul 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 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 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 2 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 3 |
| 2021 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Large-tonnage skip anti-blocking system13 Jul 2021US 11,059,700 B2China University of Mining and Technology
- Large-tonnage coal dropping buffer skip for mine27 Apr 2021US 10,988,347 B2China University of Mining and Technology
- Steep-angle conveying installation for open-cast mining11 Sep 2018US 10,071,854 B2Thyssenkrupp Industrial Solutions AG
- Large-tonnage slender externally powered curve rail-mounted unloading skip30 Jan 2018US 9,878,882 B2China University of Mining and Technology
- Measuring flask3 Feb 1998US 5,713,715 ARotaque (Proprietary) Limited
- Large-tonnage skip anti-blocking system17 Dec 2020US 2020/0391979 A1China University of Mining and Technology
- Large-tonnage coal dropping buffer skip for mine29 Oct 2020US 2020/0339388 A1China University of Mining and Technology
- Kibble tipping system16 Jul 2020US 2020/0223668 A1
- Steep-belt conveying installation for open-cast mining12 May 2016US 2016/0130079 A1Thyssenkrupp Industrial Solutions AG
- Large-tonnage slender externally powered curve rail-mounted unloading skip24 Dec 2015US 2015/0368072 A1China University of Mining and Technology
Most cited
By later US patents