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VITROFIL SPA

Overview
  • Total Patents
    33
About

VITROFIL SPA has a total of 33 patent applications. Its first patent ever was published in 1961. It filed its patents most often in Italy, Switzerland and France. Its main competitors in its focus markets machines, textiles and paper and medical technology are SAINT GOBAIN VETROTEX FRANCE S A, SAINT GOBAIN VETROTEX and VETROTEX FRANCE SA.

Patent filings per year

Chart showing VITROFIL SPAs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Tettamanzi Natale 9
#2 Renato Salteri 6
#3 Erich Hesselbarth 6
#4 Ferrari Roberto 4
#5 Rossi Carlo 4
#6 Omacini Alberto 4
#7 Rizzotto Vittorino 4
#8 Semeghini Gian L 2
#9 Brichta Corrado 2
#10 Colombo Ambrogio 2

Latest patents

Publication Filing date Title
EP0193846A2 Process for the preparation of impermeabilizing membranes with a glass filament reinforcing structure
EP0170581A1 A device and a process for preparing glass fibers
IT8519638D0 Continuous glass fibre felt prodn.
ATA235183A Process and apparatus for the continuous production of films from thermoplastic polymers, reinforced with glass fibres or strands
YU17283A Process for the continuous manufacture of glass-fibre reinforced thermoplastic polymer plates
US4158714A Process for imparting a better adhesion between reinforcing materials and plastic matrix and product thereby produced
IT1051185B Plastics-reinforcement, esp. glass, less affected by humidity - is treated with organozirconium or -tin cpd. and silane cp.D.
IT1051386B Plastics-reinforcement, esp. glass, less affected by humidity - is treated with organozirconium or -tin cpd. and silane cp.D.
US3172184A Process and device for the manufacture of fleeces of mineral fibers
US3161010A Process and device for the manufacture of glass yarns