E21B 43/29
Obtaining a slurry of minerals
Official title: Obtaining a slurry of minerals, e.g. by using nozzles
E21B43/29 (Obtaining a slurry of minerals) appears on 141 US grants and 83 published applications in this corpus.
Search patents in E21B- Granted patents
- 141
- Published applications
- 83
- Assignees
- 101
- Inventors
- 313
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 2 | 0 |
| 1978 | 8 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 6 | 0 |
| 1982 | 3 | 0 |
| 1983 | 6 | 0 |
| 1984 | 3 | 0 |
| 1985 | 4 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 4 | 0 |
| 1993 | 6 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 5 | 1 |
| 2003 | 0 | 3 |
| 2004 | 3 | 1 |
| 2005 | 1 | 1 |
| 2006 | 1 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 3 |
| 2011 | 1 | 7 |
| 2012 | 1 | 0 |
| 2013 | 0 | 5 |
| 2014 | 3 | 6 |
| 2015 | 1 | 2 |
| 2016 | 2 | 2 |
| 2017 | 4 | 4 |
| 2018 | 4 | 4 |
| 2019 | 3 | 5 |
| 2020 | 9 | 7 |
| 2021 | 2 | 6 |
| 2022 | 4 | 4 |
| 2023 | 3 | 8 |
| 2024 | 7 | 2 |
| 2025 | 7 | 5 |
| 2026 | 3 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- High pressure fluid jet drill system21 Jul 2026US 12,687,076 B2Dig Energy, Inc.
- Method and device for horizontal bore mining5 May 2026US 12,618,308 B2Iluka Resources Limited
- Method of enhancing methane storage capacity in salt caverns28 Apr 2026US 12,612,254 B2Saudi Arabian Oil Company
- Method of enhancing carbon dioxide storage capacity in salt caverns30 Sep 2025US 12,428,231 B2Saudi Arabian Oil Company
- Method and system for mining23 Sep 2025US 12,421,802 B2Novamera Inc.
- High pressure fluid jet drill system8 Oct 2026US 2026/0308985 A1Dig Energy, Inc.
- Systems and methods for downhole lithium sensing1 Oct 2026US 2026/0299160 A1Saudi Arabian Oil Company
- Exploration of dissolved minerals using paleogeographic reconstruction24 Sep 2026US 2026/0287784 A1Saudi Arabian Oil Company
- Wellbore controllable chamber-forming granular-flow mining system6 Aug 2026US 2026/0226817 A1Blueland Technology Limited
- In situ leach mining using electrical reservoir stimulation18 Jun 2026US 2026/0168369 A1Eden GeoPower, Inc.
Most cited
By later US patents
- Method and apparatus for solution mining148US 5,246,273 A1993
- Manipulative device133US 4,826,087 A1989
- Horizontal remote mining system, and method120US 5,879,057 AAmvest Corporation · 1999
- Sonic apparatus and method for slurry well bore mining and production99US 4,366,988 A1983
- Rotary drilling and extracting process92US 4,189,184 A1980