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BRUNING CHARLES CO INC

Overview
  • Total Patents
    68
About

BRUNING CHARLES CO INC has a total of 68 patent applications. Its first patent ever was published in 1929. It filed its patents most often in United States, United Kingdom and Switzerland. Its main competitors in its focus markets optics, machines and textiles and paper are LUMOPRINT ZINDLER KG, BRUNING CO CHARLES and SHIYASHIN KOGYO KK.

Patent filings in countries

World map showing BRUNING CHARLES CO INCs patent filings in countries
# Country Total Patents
#1 United States 45
#2 United Kingdom 10
#3 Switzerland 7
#4 France 3
#5 Germany 2
#6 Austria 1

Patent filings per year

Chart showing BRUNING CHARLES CO INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Knud Murck 10
#2 Schulze John J 7
#3 Streich Paul B 6
#4 Arndt John P 5
#5 Joseph Hruby 5
#6 Streich Sr Paul B 4
#7 Macdonald Herbert G 3
#8 Tregay John L 3
#9 Company Inc Charles Bruning 3
#10 Paul Bernhart Streich 2

Latest patents

Publication Filing date Title
FR1388789A Process for manufacturing parts for electrophotographic recording and products conforming to those obtained by the present process or similar process
FR1365651A Reversible powder developer for electrostatic images
GB950158A Apparatus for exposing light sensitive sheets and/or webs
US3077316A Sheet rolling device
US3024985A Sheet counters
US3107169A Processes of producing lithographic electrostatic printing plates
US2959481A Electrophotographic recording member and process of producing same
US2986972A Ultraviolet copying objective lens
US3052155A Apparatus for exposing light sensitive sheets and/or webs
US2981171A Developer process and apparatus
GB818017A Developer process and apparatus for diazo type reproductions
US3003462A Apparatus for applying developer powder to photo-conductive insulating sheets
US2894744A Feed rollers for photo-conductive insulating material
US2980834A Charging of photo-conductive insulating material
US2863063A Charging of photo-conductive insulating material
US2851373A Developing electrostatic latent images on photo-conductive insulating material
US2906189A Rotary printer with sheet separating device
US2865287A Rotary image transfer machine
US2780547A Diazotype photoprinting materials and processes for preparing same
US2766044A Sheet separating device