Patents by Inventor Jan G. Reering

Jan G. Reering has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Apparatus for the direct reduction of iron ore to sponge iron
    Patent number: 4062529
    Abstract: In a shaft furnace for the direct reduction of iron ore in which hot reducing gas is introduced at the bottom of the furnace and removed from the top of the furnace, means for recirculating at least a portion of the furnace exhaust gas are provided along with means for introducing fresh gas into the recirculated gas stream and means to heat the gas stream introduced into the furnace. The improvement comprises providing means for desulfurizing the fresh gas stream prior to its joining the recycled exhaust gas and providing for dust removal, sulfur and CO removal in the recycled gas stream prior to its joining the fresh gas stream.
    Type: Grant
    Filed: December 17, 1975
    Date of Patent: December 13, 1977
    Assignee: Thyssen Purofer GmbH
    Inventors: Klaus Altenhoner, Walter Jansen, Klaus Knop, Jan G. Reering