E21C 41/30
For ores
Official title: for ores, e.g. mining placers
E21C41/30 (For ores) appears on 10 US grants and 17 published applications in this corpus.
Search patents in E21C- Granted patents
- 10
- Published applications
- 17
- Assignees
- 12
- Inventors
- 19
- Latest grant
- 5 Dec 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 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 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 1 |
| 2012 | 0 | 1 |
| 2013 | 0 | 3 |
| 2014 | 1 | 2 |
| 2015 | 1 | 2 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 2 |
| 2020 | 2 | 0 |
| 2021 | 1 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 1 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Mining vehicle5 Dec 2023US 11,835,329 B2Olitek Pty Ltd
- Method for mining and processing of an ore2 Nov 2021US 11,162,361 B2Anglo American Services (UK) Ltd.
- Method of mining ore14 Apr 2020US 10,619,482 B2Technological Resources Pty. Limited
- Methods, systems and devices for monitoring movement of rock in a mine11 Feb 2020US 10,559,892 B2Mindspark Technologies Pty Ltd
- Method of mining ore19 Dec 2017US 9,845,676 B2Technological Resources Pty. Limited
- Wellbore controllable chamber-forming granular-flow mining system6 Aug 2026US 2026/0226817 A1Blueland Technology Limited
- Method and system for analysing ore4 Dec 2025US 2025/0369874 A1Anglo American Technical & Sustainability Services Ltd
- Mining vehicle29 Jun 2023US 2023/0204335 A1Olitek Pty Ltd
- Mining vehicle22 Jul 2021US 2021/0223018 A1
- Methods, systems and devices for monitoring movement of rock in a mine6 Jun 2019US 2019/0173200 A1Mindspark Technologies Pty Ltd
Most cited
By later US patents
- Open pit mine25US 4,103,972 A1978
- System and method for separating drill cuttings from drilling fluids17US 9,079,188 B2Flowback Fluids LLC · 2015
- Mining methods as such and combined with equipment10US 3,975,053 A1976
- Method of mining ore4US 8,840,190 B2Technological Resources Pty. Limited · 2014
- Methods, systems and devices for monitoring movement of rock in a mine1US 10,559,892 B2Mindspark Technologies Pty Ltd · 2020