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RICHARD GRUEN DR

Overview
  • Total Patents
    20
About

RICHARD GRUEN DR has a total of 20 patent applications. Its first patent ever was published in 1920. It filed its patents most often in Germany. Its main competitors in its focus markets materials and metallurgy, environmental technology and basic materials chemistry are OTAKE SERAMU KK, YU BOTAO and MITSUI SEKIKA SANSHI KK.

Patent filings in countries

World map showing RICHARD GRUEN DRs patent filings in countries
# Country Total Patents
#1 Germany 20

Patent filings per year

Chart showing RICHARD GRUEN DRs patent filings per year from 1900 to 2020

Latest patents

Publication Filing date Title
DE606096C Crack putty, especially for concrete structures
DE610850C Crack putty for concrete or reinforced concrete works
DE566939C Process for the production of weather-resistant, bituminous compounds for protective concrete coatings
DE589514C Process for the production of concrete bodies with particularly high strengths
DE542861C Process for the production of a portland cement or portland cement-like binder with a high alumina content
DE418355C Process for grinding blast furnace cement or slag cement
DE421776C Process for the production of a salt water resistant cement from blast furnace slag
DE414424C Process for the production of blast furnace cement
DE386374C Manufacture of cement from blast furnace slag
DE371584C Process for the production of cement
DE359766C Process for the production of salt water resistant cement
DE393394C Process for changing the properties of Portland cement
DE396025C Process for converting acidic blast furnace slag into Portland cement or into basic blast furnace slag for the production of blast furnace cement
DE368266C Process for the production of salt water-resistant concrete structures made of Portland, Eisenportland, blast furnace or pozzolana cement
DE395958C Process for the production of reactive blast furnace slag
DE385214C Manufacture of cement
DE368268C Process for the production of cement from blast furnace slag
DE409680C Utilization of acidic, low-reaction blast furnace slag
DE406667C Utilization of acidic blast furnace slag
DE362023C Process for the technical utilization of Si material or ash from coal, wood or peat