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ERNST LEITZ OPTISCHE WERKE

Overview
  • Total Patents
    13
About

ERNST LEITZ OPTISCHE WERKE has a total of 13 patent applications. Its first patent ever was published in 1921. It filed its patents most often in United States and Germany. Its main competitors in its focus markets optics, measurement and machines are SYNCHROME CORP, POLA LUX GES FUER BLENDSCHUTZ and SIT KK.

Patent filings in countries

World map showing ERNST LEITZ OPTISCHE WERKEs patent filings in countries
# Country Total Patents
#1 United States 12
#2 Germany 1

Patent filings per year

Chart showing ERNST LEITZ OPTISCHE WERKEs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Oskar Barnack 4
#2 Erwin Lihotzky 2
#3 Walter Klatt 2
#4 Max Berek 1
#5 Heinrich Plies 1
#6 Max Engelmann 1
#7 Hermann Heine 1

Latest patents

Publication Filing date Title
US2055236A Photographic enlargement apparatus
US2055235A Photographic enlargement apparatus
US1931313A Coupling between objective adjustment and distance gauge in cameras
US2041632A Cinematographic and photographic camera
US1935444A Microscope
US1858385A Photographic camera
US1849445A Adjusting device for the parts of optical instruments
US1853689A Illuminating device for microscopes
US1818974A Binocular microscope
US1904695A Epidiascope
US1767831A Polarimetric apparatus
US1528931A Binocular microscope
DE378797C Illumination device for microscopes for examining opaque objects