E21C 35/24
Remote control specially adapted for machines for slitting or completely freeing the
Official title: Remote control specially adapted for machines for slitting or completely freeing the mineral (control in general G05)
E21C35/24 (Remote control specially adapted for machines for slitting or completely freeing the) appears on 91 US grants and 79 published applications in this corpus.
Search patents in E21C- Granted patents
- 91
- Published applications
- 79
- Assignees
- 55
- Inventors
- 259
- Latest grant
- 14 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 2 |
| 2004 | 0 | 1 |
| 2005 | 2 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 1 | 2 |
| 2012 | 0 | 4 |
| 2013 | 2 | 3 |
| 2014 | 0 | 1 |
| 2015 | 3 | 5 |
| 2016 | 6 | 9 |
| 2017 | 6 | 7 |
| 2018 | 2 | 5 |
| 2019 | 7 | 1 |
| 2020 | 2 | 7 |
| 2021 | 4 | 12 |
| 2022 | 8 | 2 |
| 2023 | 4 | 3 |
| 2024 | 7 | 7 |
| 2025 | 5 | 3 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Bolter miner and tunneling system14 Oct 2025US 12,442,298 B2Ccteg Taiyuan Research Institute
- Autonomous mining system based on real-time digital video communication that uses ethernet and optical technologies9 Sep 2025US 12,413,309 B2King Abdullah University of Science and Technology
- 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
- Cutter head for mining machine12 Aug 2025US 12,385,395 B2Joy Global Underground Mining LLC
- Method and material removal system14 May 2026US 2026/0132715 A1Rockfeel GmbH
- Dual-person dual-machine measurement method for mining and transportation equipment2 Apr 2026US 2026/0092522 A1Taiyuan University of Technology
- Coordinate transformation for mining vehicle positioning26 Jun 2025US 2025/0208623 A1Sandvik Mining and Construction Oy
- Miner automated hardware installation system and automated brattice installer5 Jun 2025US 2025/0179917 A1The Mosaic Company
- Industrial robotic platforms8 May 2025US 2025/0144802 A1Off-World, Inc.
Most cited
By later US patents
- Long range multiple point wireless control and monitoring system86US 5,087,099 AStolar, Inc. · 1992
- Automated excavation machine69US 7,695,071 B2Minister of Natural Resources · 2010
- Fiber optic remote control system for a continuous miner and method of use58US 5,295,733 ATamrock World Corporation, N.V. · 1994
- Method of transmitting data from a drillhead57US 5,268,683 AStolar, Inc. · 1993
- Method for remote control of a coal shearer53US 4,753,484 AStolar, Inc. · 1988