Average Co-Inventor Count = 2.29
ph-index = 7
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Midrex Corporation (15 from 50 patents)
2. Midrex International, B.v., Rotterdam, Zurich Branch (1 from 26 patents)
3. Midrex International B.v. Rotterdam (1 from 3 patents)
17 patents:
1. 4985068 - Method and apparatus for smelting iron oxide
2. 4685964 - Method and apparatus for producing molten iron using coal
3. 4470581 - Apparatus for selective reduction of metallic oxides
4. 4381939 - Method for selective reduction of metallic oxides
5. 4365789 - Apparatus for the direct reduction of iron in a shaft furnace using gas
6. 4331470 - Method for the direct reduction of iron in a shaft furnace using gas
7. 4316739 - Method for producing molten iron
8. 4286775 - Apparatus for producing molten iron from iron oxide with coal and oxygen
9. 4270740 - Apparatus for producing molten iron by submerged combustion
10. 4260412 - Method of producing direct reduced iron with fluid bed coal gasification
11. 4248626 - Method for producing molten iron from iron oxide with coal and oxygen
12. 4238226 - Method for producing molten iron by submerged combustion
13. 4235425 - Impact bed gasifier-melter
14. 4234169 - Apparatus for the direct reduction of iron and production of fuel gas
15. 4225340 - Method for the direct reduction of iron using gas from coal