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ERCO IND LTD

Overview
  • Total Patents
    348
About

ERCO IND LTD has a total of 348 patent applications. Its first patent ever was published in 1969. It filed its patents most often in Canada, United States and Japan. Its main competitors in its focus markets materials and metallurgy, chemical engineering and textiles and paper are SOLVAY WERKE ACTIEN GES DEUTSC, HYRADIX INC and BRUENN PAUL DE.

Patent filings per year

Chart showing ERCO IND LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Cowley Gerald 40
#2 Swindells Richard 33
#3 Fredette Maurice C J 32
#4 Cowley G 18
#5 Swindells R 16
#6 Mcgilvery James D 13
#7 Rapson W Howard 11
#8 Rapson W 11
#9 Fredette M 10
#10 Twardowska Helena 9

Latest patents

Publication Filing date Title
US4534952A Small scale generation of chlorine dioxide for water treatment
ATA9884A Method for producing chlordioxide
US4489183A Stabilization of red phosphorus
US4526766A Production of red phosphorus
US4473540A High efficiency chlorine dioxide process
CA1182979A Production of chlorine dioxide at high efficiency
CA1181225A High efficiency chlorine dioxide process
US4465658A Chlorine dioxide process
CA1181224A High efficiency chlorine dioxide process
FI831598L Electric sheet for electric framstering with sodium chlorate
CA1163420A Production of chlorine dioxide on a small scale
US4421728A Stabilization of red phosphorus
CA1178788A Stabilization of red phosphorus
CA1182853A Electrode joints
US4409066A Bleaching procedure using chlorine dioxide and chlorine solutions
US4421598A Bleaching procedure using chlorine dioxide and chlorine solutions
CS966781A2 Cell for electrolysis of sodium chloride into sodium chlorate
GB2087857A Chlorine dioxide production using mixed acid feed
US4393036A Production of mixed sulfuric and hydrochloric acid feed and chlorine dioxide generation therewith
CA1170816A Production of mixed acid feed for chlorine dioxide generation