C22B 25/00
Obtaining tin
C22B25/00 (Obtaining tin) appears on 130 US grants and 108 published applications in this corpus.
Search patents in C22B- Granted patents
- 130
- Published applications
- 108
- Assignees
- 115
- Inventors
- 334
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 4 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 5 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 4 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 5 | 0 |
| 1999 | 4 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 0 |
| 2002 | 1 | 3 |
| 2003 | 2 | 2 |
| 2004 | 1 | 3 |
| 2005 | 3 | 3 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 3 |
| 2009 | 3 | 3 |
| 2010 | 0 | 14 |
| 2011 | 7 | 4 |
| 2012 | 4 | 0 |
| 2013 | 1 | 1 |
| 2014 | 4 | 4 |
| 2015 | 2 | 4 |
| 2016 | 3 | 7 |
| 2017 | 2 | 5 |
| 2018 | 1 | 3 |
| 2019 | 7 | 5 |
| 2020 | 4 | 4 |
| 2021 | 3 | 7 |
| 2022 | 2 | 4 |
| 2023 | 6 | 10 |
| 2024 | 6 | 7 |
| 2025 | 7 | 6 |
| 2026 | 2 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Circular carbon process29 Sep 2026US 12,747,159 B2BASF SE
- Method, apparatus and system for processing a composite waste source26 May 2026US 12,637,737 B2NewSouth Innovations Pty Limited
- System for treating tin smelting intermediate materials and method for treating same9 Dec 2025US 12,492,446 B2Kunming University of Science and Technology
- Printed wiring board, printed circuit board, and electronic component19 Aug 2025US 12,392,015 B2Ishikawa Technology Laboratory Co., Ltd.
- Device and method for efficiently separating ethyl tin from molten tin12 Aug 2025US 12,385,109 B2Yunnan Tin Co. Ltd. Tin Branch
- Methods for reducing metal oxides with ammonia gas10 Sep 2026US 2026/0265846 A1Trustees of Tufts College
- Tin recovery method23 Apr 2026US 2026/0110054 A1Mitsubishi Materials Corporation
- Reactor systems and processes for light hydrocarbon catalytic cracking to produce high value hydrogen and solid carbon5 Mar 2026US 2026/0062288 A1
- Reactor systems and processes for light hydrocarbon catalytic cracking to produce high value hydrogen and solid carbon5 Mar 2026US 2026/0062299 A1
- Method for separating indium oxide and tin oxide from indium tin oxide waste target by vacuum method5 Mar 2026US 2026/0062767 A1Kunming University of Science and Technology
Most cited
By later US patents
- Recovering metal values from geothermal brine27US 4,602,820 A1986
- Method of preparing metal carbides, nitrides, and the like23US 4,895,709 ASRI International · 1990
- Process for removing mercury from soil16US 5,785,935 A1998
- Process for removing heavy metals from paint chips15US 5,494,649 ACognis Corporation · 1996
- Disposal of electrical and electronic equipment15US 8,864,946 B2P-Fuel Ltd · 2014