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ALCHANAN COHEN

Overview
  • Total Patents
    11
About

ALCHANAN COHEN has a total of 11 patent applications. Its first patent ever was published in 1921. It filed its patents most often in United Kingdom and Germany. Its main competitors in its focus markets optics, consumer goods and audio-visual technology are SYDNEY HAROLD MORSE, BLU RAY INC and CORREX AKT GES DEUTSCHE.

Patent filings in countries

World map showing ALCHANAN COHENs patent filings in countries
# Country Total Patents
#1 United Kingdom 10
#2 Germany 1

Patent filings per year

Chart showing ALCHANAN COHENs patent filings per year from 1900 to 2020

Focus industries

Latest patents

Publication Filing date Title
GB638357A Improvements in or relating to apparatus for the recording of sound tracks on photographic film
GB470755A Improvements in lighting accessories for photographic purposes and the like
GB438475A Improvements in apparatus for drying photographic prints, blue prints and like articles
GB377357A Apparatus for drying photographic films, prints and the like
GB363710A Improvements in or relating to adhesive mountants
GB350477A Improvements in photographic drying apparatus
GB326864A An improved apparatus for drying flat articles such as photographic prints, blue prints, pieces of cloth and the like
GB310700A Improvements in photographic reproduction apparatus
GB219051A Improvements in and relating to photographic copying, enlarging and reducing apparatus
GB185534A Improvements in drawing pins