C22B 1/20
In sintering machines with movable grates
Official title: in sintering machines with movable grates
C22B1/20 (In sintering machines with movable grates) appears on 94 US grants and 56 published applications in this corpus.
Search patents in C22B- Granted patents
- 94
- Published applications
- 56
- Assignees
- 63
- Inventors
- 299
- Latest grant
- 6 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 3 | 0 |
| 1978 | 5 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 5 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 1 |
| 2003 | 1 | 0 |
| 2004 | 1 | 1 |
| 2005 | 2 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 1 | 1 |
| 2009 | 0 | 3 |
| 2010 | 1 | 3 |
| 2011 | 2 | 1 |
| 2012 | 2 | 3 |
| 2013 | 2 | 6 |
| 2014 | 3 | 6 |
| 2015 | 6 | 5 |
| 2016 | 1 | 2 |
| 2017 | 9 | 1 |
| 2018 | 2 | 5 |
| 2019 | 3 | 1 |
| 2020 | 1 | 2 |
| 2021 | 1 | 0 |
| 2022 | 0 | 2 |
| 2023 | 2 | 2 |
| 2024 | 0 | 4 |
| 2025 | 2 | 1 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method and system for optimization of agglomeration of ores6 Jan 2026US 12,516,397 B2Tata Consultancy Services Limited
- Method for producing sintered ore2 Sep 2025US 12,404,566 B2Jfe Steel Corporation
- Cooperative emission reduction method for sintering using energy-carrying composite gas medium14 Jan 2025US 12,195,822 B2Central South University
- Apparatus and method for screening and delivering green ore pellets onto a travelling grate11 Jul 2023US 11,697,860 B2Metal 7 Inc.
- Method of operating a sinter plant10 Jan 2023US 11,549,159 B2Paul Wurth S. A.
- Sintered ore production method9 Jul 2026US 2026/0193733 A1Nippon Steel Corporation
- An arrangement for an induration machine of a pelletizing plant, an induration machine and a method for indurating iron ore pellets12 Mar 2026US 2026/0071295 A1Luossavaara-Kiirunavaara AB
- Improved sintering or induration belt for sinter or pellet plants15 Jan 2026US 2026/0016229 A1Paul Wurth S. A.
- Arrangement for Heating a Process Gas of an Iron Ore Pelletizing Plant13 Feb 2025US 2025/0052497 A1HYBRIT Development AB
- Ironmaking method21 Nov 2024US 2024/0384364 A1Nippon Steel Corporation
Most cited
By later US patents
- Method of sintering and apparatus for carrying out the method12US 4,168,951 ALuossavaara-Kiirunavaara Aktiebolag · 1979
- Apparatus for delivering a stream of green pellets11US 4,457,840 AVoest-Alpine Aktiengesellschaft · 1984
- Vibrating conveyor for delivering a stream of green pellets of even thickness10US 4,465,592 AVoest-Alpine Aktiengesellschaft · 1984
- Process for preparing a smelter furnace charge composition9US 3,938,987 AMcDowell-Wellman Engineering Company · 1976
- Process and equipment for firing pellets9US 4,332,551 AVoest-Alpine Aktiengesellschaft · 1982