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VOLLMANN & HOELLFRITSCH

Overview
  • Total Patents
    14
About

VOLLMANN & HOELLFRITSCH has a total of 14 patent applications. Its first patent ever was published in 1961. It filed its patents most often in Germany, Austria and Canada. Its main competitors in its focus markets materials and metallurgy and civil engineering are INT CONSTR PROD RES, SAINT GOBAIN WEBER FRANCE and SOCRI INT SA.

Patent filings in countries

World map showing VOLLMANN & HOELLFRITSCHs patent filings in countries
# Country Total Patents
#1 Germany 7
#2 Austria 1
#3 Canada 1
#4 Switzerland 1
#5 Denmark 1
#6 United Kingdom 1
#7 Norway 1
#8 Sweden 1

Patent filings per year

Chart showing VOLLMANN & HOELLFRITSCHs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Buechsenschuss Guenther 4
#2 Hoellfritsch Erich 2
#3 Hoellfritsch E 2
#4 Buchsenschuss Gunther 1
#5 Raab Richard 1
#6 Erich Hoellfritsch 1
#7 Buechsenschuss Guenter 1
#8 Buechsenschuss 1
#9 Hollfritsch Erich 1
#10 Buechsenschuss G 1

Latest patents

Publication Filing date Title
DE2433317A1 Prefabricated paving element for balcony - laid as single sheet esp. of plastics foam with tile facing
DE2432273A1 Heat-insulated layered floor or wall slab - with open service duct channel in support layer between two lateral edges
DE1909681A1 Floor plaster contng mortar and water- - soluble resin
DE1759496A1 Method for connecting structural parts separated by cracks or construction joints
DE1646412A1 Waterproof building material based on anhydrite binder
DE1170853B Process for producing mortar from anhydrite binder
DE1280540B Method for connecting structural parts separated by cracks or construction joints
CA834814A Waterproof building material on the basis of anhydrite binders, and process for the manufacture thereof