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KENT FRANK WILLIAM

Overview
  • Total Patents
    13
About

KENT FRANK WILLIAM has a total of 13 patent applications. Its first patent ever was published in 1912. It filed its patents most often in United Kingdom, Canada and Austria. Its main competitors in its focus markets optics are DOI KK, MIMOSA AKT GES and MAX B DU PONT VITACOLOR CORP.

Patent filings in countries

World map showing KENT FRANK WILLIAMs patent filings in countries
# Country Total Patents
#1 United Kingdom 7
#2 Canada 4
#3 Austria 1
#4 United States 1

Patent filings per year

Chart showing KENT FRANK WILLIAMs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Optics

Top inventors

# Name Total Patents
#1 Kent Frank William 13
#2 Middleton Thomas Percy 2
#3 Mills Thomas Albert 1

Latest patents

Publication Filing date Title
GB191512091A Photographic Transfer Processes.
CA159408A Photographic printing paper
US1228680A Photographic printing paper and transfer process.
CA152866A Stained relief for transparencies
GB191303509A Improvements in or relating to the Production of Cinematographic Effects in Colour and in Monochrome with Isochromatic Effect.
GB191229616A Improvements in and relating to Photographic Printing Paper and Transfer Processes.
GB191220556A Producing and Combining Colour-elements for Diapositives or Katapositives.
GB191220555A Production and Treatment and use of Gelatinous Reliefs.
GB191217483A Improvements in or relating to Cinematography.
GB191208626A Production of Cinematographic Effects in Colour.
CA212713A Photographic transfer process
CA220369A Photographic transfer process