C22B 7/001
Dry processes
Official title: {Dry processes}
C22B7/001 (Dry processes) appears on 672 US grants and 716 published applications in this corpus.
Search patents in C22B- Granted patents
- 672
- Published applications
- 716
- Assignees
- 553
- Inventors
- 2,008
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 9 | 0 |
| 1978 | 5 | 0 |
| 1979 | 3 | 0 |
| 1980 | 5 | 0 |
| 1981 | 7 | 0 |
| 1982 | 9 | 0 |
| 1983 | 9 | 0 |
| 1984 | 7 | 0 |
| 1985 | 9 | 0 |
| 1986 | 15 | 0 |
| 1987 | 14 | 0 |
| 1988 | 6 | 0 |
| 1989 | 7 | 0 |
| 1990 | 8 | 0 |
| 1991 | 4 | 0 |
| 1992 | 8 | 0 |
| 1993 | 4 | 0 |
| 1994 | 14 | 0 |
| 1995 | 5 | 0 |
| 1996 | 9 | 0 |
| 1997 | 11 | 0 |
| 1998 | 21 | 0 |
| 1999 | 12 | 0 |
| 2000 | 20 | 0 |
| 2001 | 23 | 5 |
| 2002 | 22 | 27 |
| 2003 | 20 | 13 |
| 2004 | 12 | 22 |
| 2005 | 10 | 16 |
| 2006 | 6 | 14 |
| 2007 | 13 | 18 |
| 2008 | 5 | 14 |
| 2009 | 12 | 25 |
| 2010 | 18 | 29 |
| 2011 | 23 | 26 |
| 2012 | 17 | 21 |
| 2013 | 19 | 26 |
| 2014 | 17 | 22 |
| 2015 | 18 | 24 |
| 2016 | 14 | 18 |
| 2017 | 17 | 17 |
| 2018 | 17 | 19 |
| 2019 | 20 | 15 |
| 2020 | 8 | 16 |
| 2021 | 8 | 24 |
| 2022 | 11 | 37 |
| 2023 | 16 | 75 |
| 2024 | 35 | 80 |
| 2025 | 33 | 63 |
| 2026 | 32 | 50 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for recovering lithium and method for processing lithium ion secondary battery22 Sep 2026US 12,744,261 B2Dowa Eco-System Co., Ltd.
- Process for processing hard metal15 Sep 2026US 12,735,766 B2Betek GmbH & Co. KG
- Method for recovering valuable substance15 Sep 2026US 12,735,767 B2Dowa Eco-System Co., Ltd.
- Method for recovering valuable substance25 Aug 2026US 12,716,112 B2Dowa Eco-System Co., Ltd.
- Method for reusing active material using positive electrode scrap25 Aug 2026US 12,719,098 B2LG Energy Solution, Ltd.
- Apparatus and method for fractionating alloy components in recycled alloy8 Oct 2026US 2026/0308715 A1Hyundai Motor Company
- Method for preparing a metal alloy8 Oct 2026US 2026/0308718 A1Constellium Muscle Shoals LLC
- Method of preparing positive electrode active material for secondary battery using waste battery and positive electrode active material for secondary battery prepared thereby1 Oct 2026US 2026/0302396 A1Hanwha Corporation
- Fluidized bed reactor and method for recovering active metal of lithium secondary battery using same24 Sep 2026US 2026/0290928 A1SK Innovation Co., Ltd.
- Lithium-containing slag, and method for producing valuable metal17 Sep 2026US 2026/0275451 A1Sumitomo Metal Mining Co., Ltd.
Most cited
By later US patents
- Reactor and method for disassociating waste190US 5,301,620 AMolten Metal Technology, Inc. · 1994
- Method for indirect chemical reduction of metals in waste154US 5,322,547 AMolten Metal Technology, Inc. · 1994
- Vortex melting system150US 4,286,985 AAluminum Company of America · 1981
- Aluminum scrap reclamation148US 4,128,415 AAluminum Company of America · 1978
- Method for reducing volume of a radioactive composition144US 5,202,100 AMolten Metal Technology, Inc. · 1993