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KOCH CARL

Overview
  • Total Patents
    69
About

KOCH CARL has a total of 69 patent applications. Its first patent ever was published in 1899. It filed its patents most often in Germany, Switzerland and United Kingdom. Its main competitors in its focus markets optics, measurement and thermal processes are OEDOEN RISZDORFER DR, DURST AG and MEOPTA PREROV NARODNI PODNIK.

Patent filings in countries

World map showing KOCH CARLs patent filings in countries

Patent filings per year

Chart showing KOCH CARLs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Koch Carl 35
#2 Carl Koch 17
#3 Meyer Rolf 5
#4 Gfeller Karl 3
#5 Zehnder Richard 2

Latest patents

Publication Filing date Title
CH678117A5 Simulator effect of camera adjustment - has longitudinal slide on plate which can be swung about vertical pivot axis
DE3026306A1 CAMERA WALL FOR A PHOTOGRAPHIC CASSETTE CAMERA
DE3019563A1 PHOTOGRAPHIC DEVICE FOR USE OF ROLLING FILMS
CH642757A5 Device for transporting or positioning a strip-shaped light-sensitive material with regard to an image window.
IE781248L Container for drill-bits and the like
DE2708523A1 DEVICE FOR PHOTOGRAPHICAL RECORDINGS ON A STRIP-SHAPED LIGHT-SENSITIVE MATERIAL, IN PARTICULAR ROLLED FILM
GB1137216A Improvements in or relating to photographic focusing screen cameras
GB728763A Improvements in or relating to photographic cameras
GB693867A Photographic camera
GB353077A Improvements in or relating to protective cases more especially for holding a picture frame
GB191014869A An Improved Igniting Appliance for Lighting Cigars and for other Purposes.
US1015193A Lamp-ignition device.
GB190808646A An Improved Device for Igniting Miners Safety Lamps and the like.
GB190409216A Improvements relating to Spring Balances
GB190406943A Improvements in and relating to Safety Fuses for use with Explosives or the like.