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ALAN GILBERT TULL

Overview
  • Total Patents
    31
About

ALAN GILBERT TULL has a total of 31 patent applications. Its first patent ever was published in 1938. It filed its patents most often in United Kingdom. Its main competitors in its focus markets optics are ORIENTAL PHOTO IND CO LTD, VG N I PI KHIM FOTOGRAFICHESKO and KZ NI T I PI KHIM FOTOGRAFICHE.

Patent filings in countries

World map showing ALAN GILBERT TULLs patent filings in countries
# Country Total Patents
#1 United Kingdom 31

Patent filings per year

Chart showing ALAN GILBERT TULLs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Optics

Latest patents

Publication Filing date Title
GB585279A Improvements in or relating to photographic development processes
GB580496A Production of coloured photographic images
GB557198A Production of coloured photographic images
GB555014A Photographic material for colour photography
GB554990A Photographic processing dishes
GB553961A Production of multi-colour photographic images
GB553963A Colour photography and kinematography
GB553962A Production of chemically toned and dye toned photographic images
GB553352A Coloured photographic images
GB553751A Production of coloured photographic images
GB553879A Production of coloured photographic images
GB553752A Production of coloured photographic images
GB551213A Coloured photographic layers
GB553952A Production of multi-colour photographic images
GB552230A Production of multi-colour photographic images
GB551800A Production of multi-colour photographic images
GB551799A Production of coloured photographic images
GB550028A Coloured photographic layers
GB549587A Photographic processing baths
GB552089A Coating machines