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GYPSUM CO

Overview
  • Total Patents
    20
About

GYPSUM CO has a total of 20 patent applications. Its first patent ever was published in 1966. It filed its patents most often in United States, Israel and Denmark. Its main competitors in its focus markets civil engineering, materials and metallurgy and machines are VOGL ERICH R, UNISTRUT CORP and DYMET DIMENSIONS.

Patent filings in countries

World map showing GYPSUM COs patent filings in countries
# Country Total Patents
#1 United States 13
#2 Israel 3
#3 Denmark 2
#4 Sweden 1
#5 South Africa 1

Patent filings per year

Chart showing GYPSUM COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Leding F 2
#2 Marchello M 2
#3 Nelsson N 2
#4 Kinkade W 1
#5 Thulin F 1
#6 Schmidt D 1
#7 Baird J 1
#8 Roe C 1
#9 Porter W 1
#10 Copenhefer J 1

Latest patents

Publication Filing date Title
US3844085A Studs for demountable partition assembly
US3852081A Cement compositions containing alpha gypsum having improved long-term durability
US3820970A Less dusty granular gypsum product and process
US3830045A Compact air filter
US3810340A Integral stud and bracket standard
US3824147A Weather-resistant,sand coated exterior gypsum board and wall
US3744204A Unit platform
ZA7202454B Improved gypsum board and process therefor
US3730468A Furniture supporting system
US3831333A Crimped end load bearing member and assemble thereof
IL38028D0 Improved gypsum board and process therefor
US3723146A Retarded gypsum plaster for use in long set aggregate mortar applications
US3732908A Hot-roll embossing method
US3721200A Freight restraining bar
US3712015A Integral stud and bracket standard for use in a wall construction