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NORWEGIAN CONCRETE TECH

Overview
  • Total Patents
    21
About

NORWEGIAN CONCRETE TECH has a total of 21 patent applications. Its first patent ever was published in 1989. It filed its patents most often in United States, Canada and Czechia. Its main competitors in its focus markets civil engineering, materials and metallurgy and surface technology and coating are ANDO CONSTR, ZHANG PENGCHENG and BUIAAKU CORP KK.

Patent filings in countries

World map showing NORWEGIAN CONCRETE TECHs patent filings in countries
# Country Total Patents
#1 United States 4
#2 Canada 3
#3 Czechia 2
#4 Israel 2
#5 India 2
#6 Iceland 2
#7 Portugal 2
#8 Brazil 1
#9 Hong Kong 1
#10 Hungary 1
#11 Singapore 1

Patent filings per year

Chart showing NORWEGIAN CONCRETE TECHs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Miller John B 13
#2 Vennesland Oystein 5
#3 Opsahl Ole Arfinn 3
#4 Miller John Bruce 2
#5 Miller-British John B 1
#6 Opsahl Ole Arnfinn 1
#7 Opsahl Ole A 1

Latest patents

Publication Filing date Title
US6322691B1 Method for passivating steel in large structures formed of steel-reinforced concrete
US5538619A Electro-chemical method for minimizing or preventing corrosion of reinforcement in concrete
BR9406453A Process for electrochemical treatment of reinforcing steel in concrete
IL104837D0 Method for electrochemical treatment of reinforcing steel in concrete having embedded steel reinforcement
IL104836D0 Method for modifying bond strength between concrete and embedded steel
US5049412A Method of realkalizing concrete in which carbonation has occurred
US5198082A Process for rehabilitating internally reinforced concrete by removal of chlorides