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CHEMECH ENG LTD

Overview
  • Total Patents
    64
About

CHEMECH ENG LTD has a total of 64 patent applications. Its first patent ever was published in 1964. It filed its patents most often in Canada, United States and Sweden. Its main competitors in its focus markets surface technology and coating, materials and metallurgy and environmental technology are KATO MASAAKI, HURON NASSAU LTD and EDOUARD KREBS.

Patent filings in countries

World map showing CHEMECH ENG LTDs patent filings in countries
# Country Total Patents
#1 Canada 28
#2 United States 17
#3 Sweden 8
#4 United Kingdom 6
#5 Germany 2
#6 Finland 2
#7 Brazil 1

Patent filings per year

Chart showing CHEMECH ENG LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Westerlund Gothe O 36
#2 Westerlund G 8
#3 Westerlund Gothe Oscar 6
#4 Murray F 2
#5 Morgan J 2
#6 Oscar Westerlund Gothe 2
#7 Seto Kin 2
#8 Westerlund G O 1
#9 Pendlebury Joyce 1
#10 Westerlund 1

Latest patents

Publication Filing date Title
GB1397898A Inflatable bladder liquid dispensers
US3766044A Electrolytic cell system including upper and lower reacting chambers
GB1354499A Process for the control of air and water pollution for kraft pulp mill
GB1353909A Process for the control of malodorous emissions from kraft pulpmills
GB1354679A Black liquor oxidation
CA908603A Inclined bipolar electrolytic cell
US3607027A Process for preparing chlorine dioxide
CA863323A Process for preparing chlorates from chlorides electrolytically
US3640804A Method for conducting electrolyte to, from and through an electrolytic cell
CA892733A Bipolar metal electrode cell apparatus
US3594580A Chlorine dioxide process ii
US3573189A Electrical bus bar grounding
CA863926A Cell construction
US3524728A Closed cycle system for the generation of chlorine dioxide
US3468787A Graphite electrodes with double-walled loop current leakage seal and electrolytic cell therewith
US3516790A Process and apparatus for preparing chlorine dioxide
CA855192A Current connector
CA854706A Electrode
US3574052A Chemical pulping and bleaching in an enclosed reaction zone,by reduction of chlorate
DE1667407A1 Electrolysis process and device