C22B 1/16
Sintering
Official title: Sintering; Agglomerating
C22B1/16 (Sintering) appears on 200 US grants and 187 published applications in this corpus.
Search patents in C22B- Granted patents
- 200
- Published applications
- 187
- Assignees
- 157
- Inventors
- 705
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 7 | 0 |
| 1978 | 7 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 4 | 0 |
| 1983 | 2 | 0 |
| 1984 | 5 | 0 |
| 1985 | 5 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 6 | 0 |
| 1993 | 4 | 0 |
| 1994 | 0 | 0 |
| 1995 | 5 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 4 | 0 |
| 2001 | 4 | 0 |
| 2002 | 2 | 1 |
| 2003 | 1 | 1 |
| 2004 | 2 | 2 |
| 2005 | 2 | 4 |
| 2006 | 1 | 4 |
| 2007 | 1 | 1 |
| 2008 | 2 | 4 |
| 2009 | 1 | 6 |
| 2010 | 2 | 5 |
| 2011 | 5 | 8 |
| 2012 | 4 | 8 |
| 2013 | 7 | 9 |
| 2014 | 4 | 10 |
| 2015 | 10 | 16 |
| 2016 | 5 | 10 |
| 2017 | 16 | 6 |
| 2018 | 7 | 10 |
| 2019 | 7 | 2 |
| 2020 | 5 | 6 |
| 2021 | 2 | 6 |
| 2022 | 0 | 4 |
| 2023 | 4 | 8 |
| 2024 | 4 | 19 |
| 2025 | 7 | 12 |
| 2026 | 6 | 25 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Two-step thermal treatment of nickel-containing sulfides for the production of ferronickel22 Sep 2026US 12,741,314 B2The Governing Council of the University of Toronto
- Method for recovering lithium and method for processing lithium ion secondary battery22 Sep 2026US 12,744,261 B2Dowa Eco-System Co., Ltd.
- Method and system for adaptive learning of models in manufacturing systems15 Sep 2026US 12,737,673 B2Tata Consultancy Services Limited
- Methods and systems for leaching a metal-bearing material26 May 2026US 12,637,735 B2Freeport Minerals Corporation
- Microbial-assisted heap leaching17 Mar 2026US 12,577,634 B2Technological Resources Pty. Limited
- Systems and methods for improved metal recovery by leaching8 Oct 2026US 2026/0308711 A1Freeport Minerals Corporation
- Systems and methods for improved metal recovery by leaching8 Oct 2026US 2026/0308712 A1Freeport Minerals Corporation
- Heap leaching of copper sulphide ores10 Sep 2026US 2026/0265862 A1Mintek
- Sintered ore and method for producing same, and sintered ore for hydrogen reduction and method for producing same27 Aug 2026US 2026/0250798 A1Jfe Steel Corporation
- Methods and systems for leaching a metal-bearing material using sulfinates20 Aug 2026US 2026/0242892 A1Freeport Minerals Corporation
Most cited
By later US patents
- Method and apparatus for preparing agglomerates suitable for use in a blast furnace117US 4,055,390 AMolten Metal Engineering Co. · 1977
- Process of using olivine in a blast furnace111US 3,966,456 AMolten Metal Engineering Co. · 1976
- Method of extraction of valuable minerals and precious metals from oil sands ore bodies and other related ore bodies60US 5,124,008 ASolv-Ex Corporation · 1992
- Recovery of metal values from mineral ores by incorporation in coal-oil agglomerates28US 4,585,548 ABP Australia Limited · 1986
- Direct reduction method and rotary hearth furnace20US 6,296,479 B1Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) · 2001