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RI RI WERK A G

Overview
  • Total Patents
    23
About

RI RI WERK A G has a total of 23 patent applications. Its first patent ever was published in 1940. It filed its patents most often in France, Canada and United States. Its main competitors in its focus markets machines and consumer goods are OPTI WERK GMBH & CO, OPTI HOLDING AG and JOSEF HORA.

Patent filings in countries

World map showing RI RI WERK A Gs patent filings in countries
# Country Total Patents
#1 France 5
#2 Canada 4
#3 United States 3
#4 Austria 2
#5 Germany 2
#6 United Kingdom 2
#7 Greece 2
#8 Switzerland 1
#9 Denmark 1
#10 Spain 1

Patent filings per year

Chart showing RI RI WERK A Gs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Machines
#2 Consumer goods

Top inventors

# Name Total Patents
#1 Feldmann Otto 2
#2 Ryser Ernst 2
#3 Ernst Ryser 1
#4 Otto Feldmann 1
#5 Friedrich Moser 1
#6 Moser Friedrich 1
#7 G Ri-Ri Werk A 1

Latest patents

Publication Filing date Title
GB734469A Improvements in or relating to slide for slide fasteners
US2705814A Manufacture of slide fasteners
GB713108A Improved method and means for making slide fasteners
DE867682C Process and device for the production of zip fasteners
DE842632C Slider for zippers
ES172996A1 Improvements in the manufacture of slides for zipper closures
US2524574A Slider for slide fasteners
CA539689A Apparatus for the manufacture of sliding clasp fasteners
CA471071A Sliders for slide fasteners
CA518578A Manufacture of slide fastener
CA536197A Slide for slide fasteners