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HOPKINS ROBERT C

Overview
  • Total Patents
    50
About

HOPKINS ROBERT C has a total of 50 patent applications. Its first patent ever was published in 1924. It filed its patents most often in United States and Canada. Its main competitors in its focus markets thermal processes, machines and chemical engineering are BABCOCK PROD ENG, GREEN EDWARD WILLIAM and MCILVAINE BURNER CORP.

Patent filings in countries

World map showing HOPKINS ROBERT Cs patent filings in countries
# Country Total Patents
#1 United States 43
#2 Canada 7

Patent filings per year

Chart showing HOPKINS ROBERT Cs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hopkins Robert C 50

Latest patents

Publication Filing date Title
US2592899A Burner equipment for rotary driers for aggregates
US2548793A Portable pickling machine
US2562460A Combination burner equipment for rotary driers
US2540883A Vertical acid sludge mill
US2548792A Internal thrust bearing assembly for oil mills lubricated by the material processed
US2484509A Cylinder and concave mill with toothed cooperating surfaces
US2430768A Colloidal and homogenizing mill with toothed stator and rotor
US2435395A Furnace burner arrangement
US2377497A Air controlled fuel burner
US2286546A Purifying materials and methods of using the same
US2333104A Method and apparatus for blending or mixing
US2285973A Pressure liquid blending apparatus and process
US2270946A Hydraulic blending machine
US2324626A Boiler mounting
US2207012A Memorial tablet mounting
US2267154A Method of producing a special atmosphere
US2207011A Sand mixer, aerator, and sifter
US2207010A Recuperating burner block
US2111364A Rotary cutting, mixing, and attrition mill
US1806463A Oil and gas furnace