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DONISTHORPE FRANK WORDSWORTH

Overview
  • Total Patents
    12
About

DONISTHORPE FRANK WORDSWORTH has a total of 12 patent applications. Its first patent ever was published in 1901. It filed its patents most often in United Kingdom, Austria and Canada. Its main competitors in its focus markets optics are SCHWARTZ YORK, BRASSEUR CHARLES LOUIS ADRIEN and MASKASKY JOE E.

Patent filings in countries

World map showing DONISTHORPE FRANK WORDSWORTHs patent filings in countries
# Country Total Patents
#1 United Kingdom 7
#2 Austria 1
#3 Canada 1
#4 Denmark 1
#5 Spain 1
#6 United States 1

Patent filings per year

Chart showing DONISTHORPE FRANK WORDSWORTHs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Optics

Focus technologies

Top inventors

# Name Total Patents
#1 Donisthorpe Frank Wordsworth 11

Latest patents

Publication Filing date Title
CA183901A Colour kinematography
GB102280A Improvements in and relating to Colour Kinematography.
GB191307368A Improvements in and relating to Colour Photography and Colour Cinematography.
GB191124091A Improvements in Synchronising Talking Machines & Cinematograph or Moving Picture Machines.
US923030A Photography.
GB190807087A Improvements in or relating to Photographic Sensitive Surfaces.
GB190713874A Improvements in Colour Photography and Photographic Printing
GB190301483A Improvements in and connected with the Rendering of Cinematograph Representations.
GB190116092A A Method of, & Means for, Preparing, Exhibiting & Viewing Stereoscopic Pictures.