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EVANS HENRY RIEGEL

Overview
  • Total Patents
    30
About

EVANS HENRY RIEGEL has a total of 30 patent applications. Its first patent ever was published in 1914. It filed its patents most often in United Kingdom, Canada and Austria. Its main competitors in its focus markets optics and electrical machinery and energy are AGFA CAMERA WERK AG, MEOPTA NARODNI PODNIK and ULYSSE PIERRE.

Patent filings in countries

World map showing EVANS HENRY RIEGELs patent filings in countries
# Country Total Patents
#1 United Kingdom 13
#2 Canada 5
#3 Austria 4
#4 Spain 4
#5 Denmark 2
#6 Switzerland 1
#7 United States 1

Patent filings per year

Chart showing EVANS HENRY RIEGELs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Evans Henry Riegel 25
#2 Henry Riegel Evans 1

Latest patents

Publication Filing date Title
GB119470A Improvements relating to Lamps for Lighting.
GB105243A Improvements in or relating to Kinematographic Projection Apparatus.
GB108491A Improvements in or relating to Spool-mountings for Kinematographic Apparatus.
CA177537A Reflector
CA173591A Motion picture apparatus
CA173257A Machine for printing motion picture films
CA183907A Coloured motion picture
GB103511A Improvements in or relating to Film-feeding or Film-registering Devices for Kinematograph and like Machines.
GB104517A Improvements in or relating to the Projection of a Light Beam.
GB191511099A Improvements in or relating to Kinematograph Projection Apparatus.
GB191510266A Improvements in or relating to Motion-picture Apparatus.
US1259500A Means for joining photographic films.
CA166979A Projection of coloured motion picture
GB191507699A Improvements in or relating to Motion-picture Apparatus.
GB191416866A Improvements in or relating to Motion-picture Apparatus.
GB191416867A Improvements in or relating to the Projection of Coloured Motion-pictures.
GB191416536A Improvements in or relating to Means for Joining Photographic Films.
GB191414270A Improvements in or relating to Methods & Apparatus for Printing Motion-picture Films.
GB191411514A Improvements in or relating to Coloured Motion-pictures.