C22B 3/02
Apparatus therefor
C22B3/02 (Apparatus therefor) appears on 451 US grants and 545 published applications in this corpus.
Search patents in C22B- Granted patents
- 451
- Published applications
- 545
- Assignees
- 388
- Inventors
- 1,209
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 9 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 5 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 4 | 0 |
| 1987 | 3 | 0 |
| 1988 | 4 | 0 |
| 1989 | 7 | 0 |
| 1990 | 8 | 0 |
| 1991 | 5 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 6 | 0 |
| 1996 | 11 | 0 |
| 1997 | 8 | 0 |
| 1998 | 7 | 0 |
| 1999 | 7 | 0 |
| 2000 | 10 | 0 |
| 2001 | 8 | 0 |
| 2002 | 8 | 5 |
| 2003 | 4 | 6 |
| 2004 | 8 | 11 |
| 2005 | 8 | 17 |
| 2006 | 4 | 7 |
| 2007 | 4 | 13 |
| 2008 | 9 | 15 |
| 2009 | 7 | 16 |
| 2010 | 13 | 24 |
| 2011 | 11 | 17 |
| 2012 | 13 | 18 |
| 2013 | 10 | 21 |
| 2014 | 13 | 14 |
| 2015 | 16 | 37 |
| 2016 | 15 | 18 |
| 2017 | 17 | 17 |
| 2018 | 20 | 13 |
| 2019 | 20 | 25 |
| 2020 | 17 | 23 |
| 2021 | 14 | 18 |
| 2022 | 16 | 17 |
| 2023 | 13 | 26 |
| 2024 | 14 | 50 |
| 2025 | 33 | 71 |
| 2026 | 16 | 46 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Gas-Assisted Microflow Extraction (GAME) system patent6 Oct 2026US 12,753,463 B2Phinix, LLC
- Systems, methods and apparatus for mine slope extraction19 May 2026US 12,631,268 B2Southwest Leaching Technologies, LLC
- System and method for recovering constituents from batteries12 May 2026US 12,626,931 B2Environmental 360 Solutions Ltd.
- Integrated method for the commercial and industrial utilisation of calcium sulphate whilst obtaining rare earth elements from the production of phosphoric acid28 Apr 2026US 12,612,309 B2thyssenkrupp AG
- Equipment and method for leaching copper, and method for producing electrolytic copper using said equipment and method28 Apr 2026US 12,612,677 B2JX Advanced Metals Corporation
- Dynamic control of lithium production facility using model predictive controller1 Oct 2026US 2026/0297703 A1ExxonMobil Technology and Engineering Company
- Methods for carbon capture and metal recovery and related systems24 Sep 2026US 2026/0284595 A1Battelle Energy Alliance, LLC
- Water evaporation and mineral extraction devices17 Sep 2026US 2026/0274727 A1The Trustees of Princeton University
- Systems and methods for metal recovery using rotating packed beds10 Sep 2026US 2026/0263964 A1Case Western Reserve University
- Method for processing manganese containing material3 Sep 2026US 2026/0257935 A1Fortum Oyj
Most cited
By later US patents
- Apparatus for enhancing chemical reactions69US 4,168,295 A1979
- Systems and methods for changing the chemistry in heaps, piles, dumps and components53US 9,513,055 B1Differential Engineering Inc. · 2016
- Gold recovery using controlled oxygen distribution pressure oxidation45US 5,489,326 ABarrick Gold Corporation · 1996
- In-situ chemical reactor for recovery of metals or purification of salts43US 6,030,048 ATarim Associates for Scientific Mineral and Oil Exploration AG · 2000
- Lithium recovery device using separator reservoir, lithium recovery method and lithium adsorption/desorption system using the same40US 8,741,150 B2Korea Institute of Geosciences and Mineral Resources · 2014