E21C 47/10
Machines for obtaining or the removal of materials in open-pit mines: for
Official title: for quarrying stone, sand, gravel, or clay
E21C47/10 (Machines for obtaining or the removal of materials in open-pit mines: for) appears on 18 US grants and 11 published applications in this corpus.
Search patents in E21C- Granted patents
- 18
- Published applications
- 11
- Assignees
- 15
- Inventors
- 40
- Latest grant
- 9 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 1 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 1 | 1 |
| 2019 | 0 | 3 |
| 2020 | 1 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Method and system for controlling a plurality of drill rigs9 Sep 2025US 12,410,659 B2Technological Resources Pty. Limited
- Method and system providing augmented reality for mining operations28 Jun 2022US 11,371,347 B2My Virtual Reality Software AS
- Hydraulically operated splitting device7 Apr 2020US 10,612,377 B2Darda Inc.
- Seismic-while-drilling survey systems and methods16 Oct 2018US 10,101,486 B1Datacloud International, Inc.
- Mineral seam detection for surface miner26 Nov 2013US 8,590,981 B2Geosteering Mining Services, LLC
- Method and System for Controlling a Plurality of Drill Rigs27 Nov 2025US 2025/0361775 A1Technological Resources Pty. Limited
- Method of mining using a disc cutter13 Nov 2025US 2025/0347224 A1Element Six Limited
- Method and system for controlling a plurality of drill rigs29 Jun 2023US 2023/0203891 A1Technological Resources Pty. Limited
- Efficient blast design facilitation systems and methods9 Jul 2020US 2020/0217194 A1Datacloud International, Inc.
- Method and system providing augmented reality for mining operations13 Jun 2019US 2019/0178081 A1My Virtual Reality Software AS
Most cited
By later US patents
- Self-loading dualistic earth excavator with connecting telescopic conveying and dualistic distribution means13US 4,253,256 A1981
- Oscillating liquid jet system and method for cutting granite and the like12US 4,176,883 A1979
- Machine for extracting, rough shaping and squaring blocks of stones, marbles and granites, particularly in quarries12US 4,572,303 ARocamat · 1986
- Device and method for exploiting material12US 4,884,848 AVoest-Alpine Aktiengesellschaft · 1989
- Apparatus for cutting erosive materials using high pressure water device11US 5,332,293 AAustralian Stone Technology Pty. Ltd. · 1994