E21F 13/10
Anchorings for conveyors
E21F13/10 (Anchorings for conveyors) appears on 10 US grants and 1 published applications in this corpus.
Search patents in E21F- Granted patents
- 10
- Published applications
- 1
- Assignees
- 4
- Inventors
- 23
- Latest grant
- 14 Aug 1984
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 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 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Fixing bridge14 Aug 1984US 4,465,407 AGewerkschaft Eisenhutte Westfalia
- Mineral mining installation22 May 1984US 4,449,859 AGewerkschaft Eisenhutte Westfalia
- Mineral mining installation6 Sep 1983US 4,402,634 AGewerkschaft Eisenhutte Westfalia
- Apparatus for supporting a mine roof support assembly13 Apr 1982US 4,324,510 AGewerkschaft Eisenhutte Westfalia
- Contour miner7 Apr 1981US 4,260,195 A
Most cited
By later US patents
- Mineral mining installation12US 4,227,833 AGewerkschaft Eisenhutte Westfalia · 1980
- Contour miner8US 4,260,195 A1981
- Tensioning a longwall mineral mining installation7US 4,169,689 AGewerkschaft Eisenhutte Westfalia · 1979
- Anchoring apparatus for a mining installation4US 4,176,884 AGewerkschaft Eisenhutte Westfalia · 1979
- Anchoring apparatus for anchoring a mining installation2US 4,094,157 AGewerkschaft Eisenhutte Westfalia · 1978