E21C 31/06
Actuated by an endless cable or chain
Official title: actuated by an endless cable or chain
E21C31/06 (Actuated by an endless cable or chain) appears on 17 US grants and 10 published applications in this corpus.
Search patents in E21C- Granted patents
- 17
- Published applications
- 10
- Assignees
- 3
- Inventors
- 9
- Latest grant
- 20 Dec 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 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 | 0 | 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 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 1 | 6 |
| 2019 | 3 | 0 |
| 2020 | 2 | 3 |
| 2021 | 2 | 1 |
| 2022 | 3 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Chain conveyor and link for same20 Dec 2022US 11,530,095 B2Joy Global Underground Mining LLC
- Chain conveyor13 Sep 2022US 11,440,736 B2Joy Global Underground Mining LLC
- Chain conveyor and link for same17 May 2022US 11,332,316 B2Joy Global Underground Mining LLC
- Chain conveyor20 Apr 2021US 10,981,728 B2Joy Global Underground Mining LLC
- Chain conveyor and coupler link for same13 Apr 2021US 10,974,905 B2Joy Global Underground Mining LLC
- Chain conveyor5 Aug 2021US 2021/0237979 A1Joy Global Underground Mining LLC
- Chain conveyor and link for same12 Nov 2020US 2020/0354150 A1Joy Global Underground Mining LLC
- Chain conveyor and coupler link for same16 Apr 2020US 2020/0115164 A1Joy Global Underground Mining LLC
- Chain conveyor9 Jan 2020US 2020/0010277 A1Joy Global Underground Mining LLC
- Chain conveyor with cast sections6 Sep 2018US 2018/0251308 A1Joy Global Underground Mining LLC
Most cited
By later US patents
- Continuous mining machine with a chain drive for the cutting head17US 3,968,995 ADresser Industries, Inc. · 1976
- Chain conveyor with cast sections12US 10,106,325 B2Joy Global Underground Mining LLC · 2018
- Adjustable fluid coupling9US 4,581,892 ABergwerksverband GmbH · 1986
- Chain conveyor8US 10,414,594 B2Joy Global Underground Mining LLC · 2019
- Chain conveyor link7US 10,392,193 B2Joy Global Underground Mining LLC · 2019