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DITTO INC

Overview
  • Total Patents
    447
About

DITTO INC has a total of 447 patent applications. Its first patent ever was published in 1925. It filed its patents most often in United States, United Kingdom and Germany. Its main competitors in its focus markets textiles and paper, machines and packaging and shipping are GEN CREDIT FORMS INC, BECK DUPLICATOR COMPANY and SPIEGEL MAY STERN COMPANY.

Patent filings in countries

World map showing DITTO INCs patent filings in countries
# Country Total Patents
#1 United States 351
#2 United Kingdom 46
#3 Germany 14
#4 Switzerland 13
#5 France 12
#6 Canada 9
#7 Denmark 1
#8 Malaysia 1

Patent filings per year

Chart showing DITTO INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Alfred Marchev 53
#2 Morrison Robert F 22
#3 Champion William J 22
#4 Hernlund John W 18
#5 Hubert Jagger 18
#6 Johan Bjorksten 17
#7 Duncan James K 13
#8 Ditto Incorporated 12
#9 Alonzo Williams Robert 11
#10 Neal Morris P 10

Latest patents

Publication Filing date Title
GB976043A Automatic photoprinting machine
US3248236A Thermo-wax transfer sheets
US3102470A Duplicating machine with automatic controls
GB910248A Method of laminating sheets
GB972914A Infrared transfer process
US3119318A Vacuum blanket and focusing means for exposure device
US3091169A Automatic photoprinting machine
GB877047A Contact printing apparatus
US3090717A Method of laminating sheets
US3049994A Duplicating process
GB917761A Control equipment for use with a duplicating machine
US3007390A Exposure device
GB888742A Method of preparing copies
GB844695A Method of preparing duplicating or negative master sheet
GB844696A Method of preparing duplicating master sheets
US2916988A Duplicating machine with automatic controls
GB783684A Feed roll driving means for duplicating machines
GB802170A Chemical reaction type duplicating process and transfer sheet adapted for use therein
US2999453A Means for line printing
US2777781A Transfer sheet having waxy top protective coating