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ASH GROVE CEMENT CO

Overview
  • Total Patents
    30
About

ASH GROVE CEMENT CO has a total of 30 patent applications. Its first patent ever was published in 1983. It filed its patents most often in United States, Canada and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets thermal processes, environmental technology and materials and metallurgy are MAERZ OFENBAU, GVNII TSEMENTNOJ PROMY and CADENCE ENVIRONMENTAL ENERGY.

Patent filings per year

Chart showing ASH GROVE CEMENT COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hansen Eric R 22
#2 Tutt James R 16
#3 Supelak Ralph A 4
#4 Barger Gregory S 4
#5 Benoit Michel R 4
#6 Tutt James Ronald 4
#7 Reese Theodore J 3
#8 Derksen Kenneth J 2
#9 Parker Walter 2
#10 Blankenship Kevin 2

Latest patents

Publication Filing date Title
US7854789B1 System and process for controlling pollutant emissions in a cement production facility
CA2636193A1 Method and apparatus for reducing nox emissions in rotary kilns by sncr
US2005277081A1 Method of mixing high temperature gases in mineral processing kilns
MX9600903A Novel cement systems and method for the manufacture thereof.
US5626665A Cementitious systems and novel methods of making the same
PL307141A1 Method of obtaining cement clinker in a long kiln
US5375535A Method and apparatus for improved manufacture of cement in long kilns
US5339751A Apparatus and method for charging combustible solids into a rotary kiln
KR950002639B1 Method for energy recovery from solid hazardous waste
US4494990A Cementitious composition