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ERCO ENVIROTECH LTD

Overview
  • Total Patents
    110
About

ERCO ENVIROTECH LTD has a total of 110 patent applications. Its first patent ever was published in 1968. It filed its patents most often in Canada, Brazil and Finland. Its main competitors in its focus markets textiles and paper, machines and materials and metallurgy are BRADLEY MCKEEFE CORP, GOODELL EDWARD G and TOMLINSON GEORGE H.

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Reeve Douglas W 14
#2 Reeve Douglas William 13
#3 Rapson W Howard 10
#4 Reeve D W 10
#5 Rapson W 10
#6 Reeve D 8
#7 Rowlandson Gordon 8
#8 Lukes Jerome A 6
#9 Schroeder Robert Paul 4
#10 Dagurasu Uiriamu Riibu 4

Latest patents

Publication Filing date Title
CA1089161A Bleached kraft pulp mill operation
CA1113207A Removal of potassium values from pulp mill liquors
CA1109611A Potassium-based pulp mill process
DE2851409A1 Regeneration of waste white liquor in cellulose pulping process - uses hot lixiviation to remove sodium chloride from carbonate and sulphate
GB2009725A Recovery of sodium chloride from white liquor
CA1102055A Modified system for recovery of sodium chloride from white liquor
US4188260A Low effluent pulp mill, bleach plant operation
YU158677A Method of processing cellulose by means of sodium chloride elimination
CS218568B2 Method of removing the sodium chloride by making the cellulose with inserted regeneration processus
ES459947A1 A pulp reduction procedure of cellulose fibers. (Machine-translation by Google Translate, not legally binding)
PT66675A Pulp mill process with sodium chloride removal
DE2725814B1 Process for the regeneration of sodium chloride-containing pulp waste liquor
AU2589177A Pulp mill process with sodium chloride removal
CA1089157A Bleach plant operation
ZA7703389B Pulp mill process with sodium chloride removal
US4104114A Bleach plant operation
CA1072262A Pulp mill process with sodium chloride removal
ZA7601255B Bleachplant operation
AU8524475A Production of bleached pulp
AU8136475A Removal of sodium chloride from pulping operations