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VON FRAUNHOFER HANS

Overview
  • Total Patents
    18
About

VON FRAUNHOFER HANS has a total of 18 patent applications. Its first patent ever was published in 1946. It filed its patents most often in Switzerland, Spain and United States. Its main competitors in its focus markets optics and machines are KARL SCHINZEL, NEUE PHOTOGRAPHISCHE GES AG and DUFAYCOLOR LTD.

Patent filings in countries

World map showing VON FRAUNHOFER HANSs patent filings in countries
# Country Total Patents
#1 Switzerland 7
#2 Spain 7
#3 United States 4

Patent filings per year

Chart showing VON FRAUNHOFER HANSs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Optics
#2 Machines

Top inventors

# Name Total Patents
#1 Von Fraunhofer Hans 11
#2 Harry Edward Coote 6
#3 Edward Coote Harry 3

Latest patents

Publication Filing date Title
ES217328A3 Procedure for producing negatives from a photographic primary negative material of color that includes at least two layers of emulsion of silver halide (Machine-translation by Google Translate, not legally binding)
US3032413A Colour photographic processes and materials
ES184944A1 A new procedure to obtain photographs in colors
ES182376A1 A procedure to obtain photographs in colors
ES176534A1 Improvements introduced in color photography
ES176157A1 Improvements introduced in color photography
ES174093A1 A new procedure to obtain cinematographic films
ES174094A1 A procedure for the production of positive cinematographic films in color
US2480793A Color cinematography
US2561299A Color cinematography