E21F 13/02
Transport of mined mineral in galleries
Official title: {Transport of mined mineral} in galleries
E21F13/02 (Transport of mined mineral in galleries) appears on 118 US grants and 97 published applications in this corpus.
Search patents in E21F- Granted patents
- 118
- Published applications
- 97
- Assignees
- 70
- Inventors
- 222
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 5 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 2 |
| 2004 | 1 | 6 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 2 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 1 | 3 |
| 2011 | 2 | 3 |
| 2012 | 2 | 5 |
| 2013 | 2 | 11 |
| 2014 | 6 | 3 |
| 2015 | 7 | 5 |
| 2016 | 1 | 9 |
| 2017 | 5 | 7 |
| 2018 | 8 | 7 |
| 2019 | 12 | 4 |
| 2020 | 5 | 4 |
| 2021 | 1 | 7 |
| 2022 | 1 | 5 |
| 2023 | 3 | 1 |
| 2024 | 7 | 5 |
| 2025 | 4 | 6 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Autonomous mining vehicle control1 Sep 2026US 12,723,511 B2Sandvik Mining and Construction Oy
- Towing arrangement of a battery-powered mining machine and a battery-powered mining machine25 Aug 2026US 12,715,254 B2Sandvik Mining and Construction Oy
- Systems and methods for automated control of a beam stageloader bootend19 Aug 2025US 12,391,483 B2Joy Global Underground Mining LLC
- Systems and methods for automated control of a beam stageloader bootend19 Aug 2025US 12,391,484 B2Joy Global Underground Mining LLC
- Arrangement27 May 2025US 12,312,814 B2Sandvik Mining and Construction Oy
- Lightweight material carrier16 Jul 2026US 2026/0200537 A1Anglo American Technical & Sustainability Services Ltd
- Controlling operation of a work machine18 Dec 2025US 2025/0382770 A1Sandvik Mining and Construction Oy
- Wear indicator27 Nov 2025US 2025/0361807 A1
- Excavated matter conveyance system inside driftway9 Oct 2025US 2025/0314173 A1Komatsu Ltd.
- Arrangement21 Aug 2025US 2025/0263932 A1Sandvik Mining and Construction Oy
Most cited
By later US patents
- Shuttle car loading system35US 4,537,554 AThe United States of America as represented by the Administrator of the National Aeronautics and Space Administration · 1985
- Wet belt conveyor30US 4,068,755 AKaiser Resources Ltd. · 1978
- Flexible mobile conveyor29US 3,974,907 A1976
- Vertically movable operator's compartment for a self-propelled mine vehicle28US 4,078,629 AConsolidation Coal Company · 1978
- Hydraulically-actuated controller for reel drive27US 5,007,599 AAtlas Copco Construction and Mining Holding AB · 1991