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EMIL MECHAU

Overview
  • Total Patents
    19
About

EMIL MECHAU has a total of 19 patent applications. Its first patent ever was published in 1913. It filed its patents most often in United States, Germany and France. Its main competitors in its focus markets optics are WONDERVIEW OPTICAL IND, WRIGHT JOHN STRATTON and LAB OF IMAGE INFORMATION SCIEN.

Patent filings in countries

World map showing EMIL MECHAUs patent filings in countries
# Country Total Patents
#1 United States 7
#2 Germany 5
#3 France 4
#4 United Kingdom 3

Patent filings per year

Chart showing EMIL MECHAUs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Optics

Focus technologies

# Technology
#1 Cameras

Top inventors

# Name Total Patents
#1 Emil Mechau 7
#2 Mechau Emil 4

Latest patents

Publication Filing date Title
US1513920A Motion-picture-projecting apparatus
US1584317A Motion-picture apparatus
US1401345A Motion-picture-projection apparatus
US1401346A Motion-picture-projection apparatus
US1421523A Cinematographic apparatus
US1417089A Illuminating device for moving-picture apparatus
US1543224A Moving-picture apparatus
GB154222A Improvements in or relating to cinematograph projection apparatus
GB152347A Improvements in or relating to cinematograph projection apparatus
GB143543A Improvements in or relating to kinematographs