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MONOLITH PORTLAND CEMENT COMPA

Overview
  • Total Patents
    19
About

MONOLITH PORTLAND CEMENT COMPA has a total of 19 patent applications. Its first patent ever was published in 1938. It filed its patents most often in United States and Canada. Its main competitors in its focus markets machines, thermal processes and chemical engineering are ZWINZ FRANZ, SMIDTH & CO CANADA and JOHAN SIGISMUND FASTING.

Patent filings in countries

World map showing MONOLITH PORTLAND CEMENT COMPAs patent filings in countries
# Country Total Patents
#1 United States 17
#2 Canada 2

Patent filings per year

Chart showing MONOLITH PORTLAND CEMENT COMPAs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Michael Treshow 7
#2 Schoonover Paul L 7
#3 Spence Gerald M 3
#4 West Carleton T 2
#5 Nils Oberg Bertil 1
#6 Anderson Frank J 1
#7 Treshow Michael 1
#8 Conn Humes William Y 1

Latest patents

Publication Filing date Title
US3220714A Material ring removal from a rotary kiln
US3385919A Method of using a release composition in the formation of cement articles
US3305613A Hardening a cement mixture
US3173663A Material movement
US3093364A Apparatus and method for conveying slurry
US2980413A Rotary kilns
US2923538A Rotary kiln construction
US2853246A Mounting for a rotary mill
US2702218A Means for mounting circular rails on rotary mills
US2721806A Cooling method and apparatus for processing cement clinker
US2702217A Mounting means for rotary mill or drier construction
US2670139A Screening discharge device for rod and ball mills
US2726047A Support and drive system for rotary grinding mills
US2323289A Coal drier
US2269700A Kiln supporting means
US2187922A Device for curing and cooling burned materials in rotary kilns
US2314639A Cement sack
CA523023A Mounting means for rotary mill or drier construction
CA519231A Means for mounting circular rails on rotary mills