C22B 1/212
In tunnel furnaces
Official title: in tunnel furnaces
C22B1/212 (In tunnel furnaces) appears on 7 US grants and 7 published applications in this corpus.
Search patents in C22B- Granted patents
- 7
- Published applications
- 7
- Assignees
- 4
- Inventors
- 9
- Latest grant
- 1 Aug 2017
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 1 |
| 2013 | 1 | 3 |
| 2014 | 0 | 0 |
| 2015 | 3 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
By publication year.
Recent patents
- Method, arrangement, and pelletising plant1 Aug 2017US 9,719,152 B2Luossavaara-Kiirunavaara AB
- Method, arrangement, and pelletising plant30 Jun 2015US 9,068,243 B2Luossavaara-Kiirunavaara AB
- Method, arrangement, and pelletising plant5 May 2015US 9,023,127 B2Luossavaara-Kiirunavaara AB
- Method, arrangement and pelletising plant21 Apr 2015US 9,011,571 B2Luossavaara-Kiirunavaara AB
- System and method for producing metallic iron17 Sep 2013US 8,535,602 B2Nu-Iron Technology, LLC
- Method, arrangement, and pelletising plant10 Sep 2015US 2015/0252444 A1Luossavaara-Kiirunavaara AB
- Method, Arrangement and Pelletising Plant29 Aug 2013US 2013/0220075 A1Luossavaara-Kiirunavaara AB
- Method, arrangement, and pelletising plant29 Aug 2013US 2013/0220076 A1Luossavaara-Kiirunavaara AB
- Method, arrangement, and pelletising plant15 Aug 2013US 2013/0205949 A1Luossavaara-Kirrunavaara AB
- System and method for producing metallic iron17 May 2012US 2012/0119424 A1Nu-Iron Technology, LLC
Most cited
By later US patents
- Annular cooler pallet construction3US 7,093,457 B2Metso Minerals Industries, Inc. · 2006
- System and method for producing metallic iron1US 8,097,065 B2Nu-Iron Technology, LLC · 2012
- Method, arrangement, and pelletising plant1US 9,023,127 B2Luossavaara-Kiirunavaara AB · 2015
- Method, arrangement, and pelletising plant1US 9,068,243 B2Luossavaara-Kiirunavaara AB · 2015