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STOFFEL FRANZ LEO

Overview
  • Total Patents
    14
About

STOFFEL FRANZ LEO has a total of 14 patent applications. Its first patent ever was published in 1946. It filed its patents most often in Switzerland, Denmark and Austria. Its main competitors in its focus markets audio-visual technology, control and foods and drinks are ZHANGJIAGANG YANAN AUTOMOBILE ELECTRIC APPLIANCE CO LTD, PROFIL IND SOC and LIMA CASTRO NETO E DE.

Patent filings in countries

World map showing STOFFEL FRANZ LEOs patent filings in countries
# Country Total Patents
#1 Switzerland 9
#2 Denmark 2
#3 Austria 1
#4 Germany 1
#5 Italy 1

Patent filings per year

Chart showing STOFFEL FRANZ LEOs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Stoffel Franz Leo 5
#2 Franz Leo Stoffel 4
#3 Josef Guettler 2
#4 Paul Rohner 1

Latest patents

Publication Filing date Title
DE2634953A1 Flat pocket holder for coins of different values - has several annular hoops with resilient sides for clamping coins