E21C 35/282
Autonomous machines
Official title: {Autonomous machines; Autonomous operations}
E21C35/282 (Autonomous machines) appears on 123 US grants and 90 published applications in this corpus.
Search patents in E21C- Granted patents
- 123
- Published applications
- 90
- Assignees
- 65
- Inventors
- 274
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 7 | 0 |
| 1979 | 0 | 0 |
| 1980 | 4 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 5 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 3 | 3 |
| 2003 | 4 | 3 |
| 2004 | 1 | 1 |
| 2005 | 2 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 1 |
| 2009 | 1 | 2 |
| 2010 | 1 | 4 |
| 2011 | 1 | 5 |
| 2012 | 1 | 4 |
| 2013 | 6 | 7 |
| 2014 | 7 | 3 |
| 2015 | 5 | 5 |
| 2016 | 6 | 7 |
| 2017 | 5 | 6 |
| 2018 | 7 | 10 |
| 2019 | 5 | 4 |
| 2020 | 3 | 3 |
| 2021 | 3 | 1 |
| 2022 | 2 | 4 |
| 2023 | 2 | 1 |
| 2024 | 1 | 11 |
| 2025 | 3 | 3 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Methods and systems for mining16 Jun 2026US 12,654,962 B2Technological Resources Pty. Limited
- Rotary boring mining machine inertial steering system7 Apr 2026US 12,595,733 B2The Mosaic Company
- Tunnel tunneling system3 Mar 2026US 12,565,837 B2Ccteg Taiyuan Research Institute
- Object proximity detection and feedback system for a mining machine30 Sep 2025US 12,428,818 B2Joy Global Surface Mining Inc
- Rock-piercing flexible rock drilling robot and rock breaking method12 Aug 2025US 12,385,391 B2Central South University
- Method for controlling automatic operation of mining electric shovel considering sudden load variations during excavations2 Jul 2026US 2026/0185445 A1China University of Mining and Technology
- Ensuring backwards compatbility between a supervisory system and on-device control software13 Nov 2025US 2025/0348056 A1Technological Resources Pty. Limited
- Methods and Systems for Mining12 Jun 2025US 2025/0188839 A1Technological Resources Pty. Limited
- Miner automated hardware installation system and automated brattice installer5 Jun 2025US 2025/0179917 A1The Mosaic Company
- Method and a control node for controlling a mining rig5 Dec 2024US 2024/0401479 A1Epiroc Rock Drills Aktiebolag
Most cited
By later US patents
- Long range multiple point wireless control and monitoring system121US 4,968,978 AStolar, Inc. · 1990
- Automated excavation machine69US 7,695,071 B2Minister of Natural Resources · 2010
- Mining method for steeply dipping ore bodies49US 6,857,706 B2Placer Dome Technical Services Limited · 2005
- Coal seam discontinuity sensor and method for coal mining apparatus45US 4,968,098 AAtlantic Richfield Company · 1990
- Method and apparatus for a rotating cutting drum or arm mounted with paired opposite circular polarity antennas and resonant microstrip patch transceiver for measuring coal, trona and potash layers forward, side and around a continuous mining machine43US 5,769,503 AStolar, Inc. · 1998