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BUECHNER WERNER W

Overview
  • Total Patents
    20
About

BUECHNER WERNER W has a total of 20 patent applications. Its first patent ever was published in 1960. It filed its patents most often in United States and Canada. Its main competitors in its focus markets optics, electrical machinery and energy and measurement are BERNARDINI ANGELO, MEEK JAMES WYNDHAM and C I R COSTRUZIONE INCOLLATRICI.

Patent filings in countries

World map showing BUECHNER WERNER Ws patent filings in countries
# Country Total Patents
#1 United States 19
#2 Canada 1

Patent filings per year

Chart showing BUECHNER WERNER Ws patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Buechner Werner W 20

Latest patents

Publication Filing date Title
US3592118A Photographic program timer
US3611904A Device for the wet treatment of photographic materials
US3581984A Temperature control device
US3626835A Photographic processing machine
US3542042A Water mixing device and method for delivering a stream of temperature controlled water
US3528760A Method and device for the treatment of paper-backed photographic sheet materials
US3503319A Carrier for the wet treatment of photographic materials
US3521545A Photographic vessel
US3559553A Automatic forwarding mechanism for photographic materials
US3548733A Color process timer
US3470810A Water jacket and photographic processing apparatus
US3538270A Photographic program timer
US3349689A Photographic treating apparatus
US3349686A Photographic treating apparatus
US3349688A Temperature controlling photographic bath
US3337714A Heating device
US3280694A Photographic easel
US3349685A Photographic timer and method of timing photographic treating processes
US3236649A Photographic process and apparatus
CA823420A Process and apparatus for the treatment of photographic materials