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NORTH AMERICAN CARBON

Overview
  • Total Patents
    14
About

NORTH AMERICAN CARBON has a total of 14 patent applications. Its first patent ever was published in 1970. It filed its patents most often in United States, Canada and Germany. Its main competitors in its focus markets chemical engineering, materials and metallurgy and thermal processes are JEFFERSON LAKE SULPHUR CO, WUXI UNMIXED CLEANSE EQUIPMENT CO LTD and SOFRANCE.

Patent filings in countries

World map showing NORTH AMERICAN CARBONs patent filings in countries
# Country Total Patents
#1 United States 3
#2 Canada 2
#3 Germany 2
#4 France 2
#5 United Kingdom 2
#6 Japan 1
#7 Netherlands 1
#8 Sweden 1

Patent filings per year

Chart showing NORTH AMERICAN CARBONs patent filings per year from 1900 to 2020

Focus technologies

# Technology
#1 Separation
#2 Non-metallic elements
#3 Air-conditioning

Top inventors

# Name Total Patents
#1 Kovach J L 4
#2 Kovach Julius L 2
#3 Kovach Julius Louis 1
#4 Perrich Jerry R 1
#5 Kovach J 1
#6 Juriasu Ruisu Kobatsuchi 1
#7 Kovach J Louis 1

Latest patents

Publication Filing date Title
US4670153A Vertical column contactor
NL7416350A Method for preparing activated carbon.
JPS5162196A Katsuseitanno seiho
DE2453325A1 Hard granular activated carbon - prepd. by chemical activation of soft raw material and binder mixt.
GB1467496A Method of manufacturing activated carbon
CA1024972A Method to manufacturing activated carbon
US3864277A Hard granular activated carbon and preparation from a carbonaceous material a binder and an inorganic activating agent
CA983408A Method and apparatus for high efficiency filter systems
US3720043A Method for high efficiency filtering system