B66B 17/08
Mining skips
B66B17/08 (Mining skips) appears on 9 US grants and 7 published applications in this corpus.
Search patents in B66B- Granted patents
- 9
- Published applications
- 7
- Assignees
- 5
- Inventors
- 25
- Latest grant
- 14 Mar 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 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 | 4 |
| 2021 | 3 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Hydraulic buffer energy storage device and system for over-discharged hoist skip in vertical shaft14 Mar 2023US 11,603,291 B2Foshan University
- 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
- Self-detection device for liner plate of hoisting container and detection method19 Jan 2021US 10,894,697 B1China University of Mining and Technology
- Overwind conveyance drop protection11 Dec 2018US 10,150,649 B2Technological Resources Pty. Limited
- Hydraulic buffer energy storage device and system for over-discharged hoist skip in vertical shaft12 Jan 2023US 2023/0012221 A1Foshan University
- Self-detection device for liner plate of hoisting container and detection method31 Dec 2020US 2020/0407196 A1China University of Mining and Technology
- 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
Most cited
By later US patents