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.
# | 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 |
# | Industry | |
---|---|---|
#1 | Materials and metallurgy | |
#2 | Civil engineering |
# | Technology | |
---|---|---|
#1 | Building materials | |
#2 | Scaffolding | |
#3 | Finishing work on buildings | |
#4 | Roof coverings |
# | 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 |
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 |