Learn more

DIRECT REDUCTION CORP

Overview
  • Total Patents
    79
About

DIRECT REDUCTION CORP has a total of 79 patent applications. Its first patent ever was published in 1979. It filed its patents most often in United States, South Africa and Brazil. Its main competitors in its focus markets materials and metallurgy, environmental technology and measurement are DAIREKUTO RIDAKUSHIYON CORP ZA, OBENCHAIN R F and FIERRO ESPONJA.

Patent filings in countries

World map showing DIRECT REDUCTION CORPs patent filings in countries

Patent filings per year

Chart showing DIRECT REDUCTION CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Baker Alan C 19
#2 Keran Vitie P 15
#3 Clements Ronald J 11
#4 Bracanin Brian F 10
#5 Baker Alan Christopher 9
#6 Keran Vitie Paul 9
#7 Goodell Thomas W 7
#8 Boulter Geoffrey N 7
#9 Wilbert Daniel H 6
#10 Hockin Harry W 5

Latest patents

Publication Filing date Title
US4389242A Interior arrangement for direct reduction rotary kilns and method
US4375883A System for recycling char in iron oxide reducing kilns
US4378244A System for coal injection in iron oxide reducing kilns
PH18713A Direct reduction kiln with improved air injection
US4378243A System for coal blowing in iron oxide reducing kilns
BR8102022A Mechanism to adjust the orientation of the free end of a tube from which the coal or other material is supplied
US4376280A Instrument system for iron oxide reducing kilns
US4397569A System for correlating a signal sensor location with a recorder printout
PT72723A Coal feed pipe and positioner
ZA8101953B Coal feed pipe and positioner
US4356031A Apparatus and method for controlling the recycle char circuit in a direct reduction process
US4354392A Rotary kiln material sampling system
PT72372A Direct reduction kiln with improved air injection
BR8100277A Process for introducing air in a rotary oven for the direct reduction of materials containing iron oxides; rotating oven and appliance used in such process
CA1145542A Direct reduction rotary kiln with improved air injection
US4330325A Direct reduction rotary kiln with improved air injection
US4378241A Method for achieving low sulfur levels in the DRI product from iron oxide reducing kilns
ZA8006073B Direct reduction rotary kiln with improved air injection
US4299694A Method and apparatus for char separation from the discharge materials of an iron oxide reducing kiln
US4337084A System for recycling char in iron oxide reducing kilns