C21B 11/06
In rotary kilns
Official title: in rotary kilns
C21B11/06 (In rotary kilns) appears on 4 US grants and 6 published applications in this corpus.
Search patents in C21B- Granted patents
- 4
- Published applications
- 6
- Assignees
- 7
- Inventors
- 23
- Latest grant
- 13 Jul 2021
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|---|---|---|
| 2002 | 1 | 0 |
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| 2006 | 0 | 1 |
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| 2010 | 0 | 1 |
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| 2012 | 1 | 0 |
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| 2019 | 0 | 1 |
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Recent patents
- Oxy-fuel combustion system and method for melting a pelleted charge material13 Jul 2021US 11,060,792 B2Air Products and Chemicals, Inc.
- Processed DRI material19 Jan 2016US 9,238,253 B2Nu-Iron Technology, LLC
- Method of producing non-pyrophoric metallic iron19 Jun 2012US 8,202,345 B2Premier Enviro Services, Inc.
- Method for reducing iron oxides and for melting iron and installations therefor16 Jul 2002US 6,419,724 B1Sidmar N.V.
- Oxy-Fuel Combustion System and Method for Melting a Pelleted Charge Material26 Sep 2019US 2019/0293351 A1Air Products and Chemicals, Inc.
- Method of production and apparatus for production of reduced iron23 Nov 2017US 2017/0335416 A1Tetsugen Corporation
- Method of production and apparatus for production of reduced iron15 Jan 2015US 2015/0013498 A1Telsugen Corporation
- Processed dri material5 Sep 2013US 2013/0230720 A1Nu-Iron Technology, LLC
- Method of producing non-pyrophoric metallic iron2 Dec 2010US 2010/0300246 A1Premier Enviro Services, Inc.
Most cited
By later US patents