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ZELACOLOR SYST

Overview
  • Total Patents
    96
About

ZELACOLOR SYST has a total of 96 patent applications. Its first patent ever was published in 1969. It filed its patents most often in Switzerland, United States and Australia. Its main competitors in its focus markets optics are PICTORIAL MACHINERY LTD, LITHOPRINTEX CORP and HUNTER PENROSE LTD.

Patent filings per year

Chart showing ZELACOLOR SYSTs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Optics

Top inventors

# Name Total Patents
#1 Guillaume Emile Armand Henri 22
#2 Guillaume E A H 9
#3 Guillaume Emile A H 9
#4 Guillaume E 7
#5 Emiru Aruman Anri Giyoomu 2
#6 Emiiru Arumondo Henrii Giroomu 2
#7 Guillaume Emile A 2
#8 Berger Michel 1
#9 Gullaume Emile Armand Henri 1
#10 Gijom Emil Armand Anri 1

Latest patents

Publication Filing date Title
AU8531882A Photographic recording apparatus
CH635449A5 Machine for processing films
DD144830A5 Photographic apparatus
US4241993A Mount for originals in photographic devices
CA1130627A Photograph camera for exposing correction masks of subjects
US4194834A Unit for reproducing transparent originals, or the like
NL7806863A Colour film negative selection machine - is used to select negatives for processing in daylight conditions
AU524020B2 Photographic recording apparatus
DE2808163A1 ENLARGEMENT APPARATUS
KR810001784B1 Unit for making color component records of color transparencies
IL50972D0 Unit for reproducing colour transparencies
GB1486643A Feed mechanism for a film
CH594187A5 Photographic film precision advance and positioning mechanism - uses two toothed wheels, one driving and other tensioning film
IE33430L An optical device for splitting a polychromatic light beam into three components
CA904068A Method and apparatus for splitting up a polychromatic light beam into three component monochromatic beams