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COTTRELL C B & SONS CO

Overview
  • Total Patents
    523
About

COTTRELL C B & SONS CO has a total of 523 patent applications. Its first patent ever was published in 1897. It filed its patents most often in United States, France and Australia. Its main competitors in its focus markets textiles and paper, packaging and shipping and machines are UPHAM BURT F, GOSS CONTIWEB BV and HOE & CO R.

Patent filings in countries

World map showing COTTRELL C B & SONS COs patent filings in countries
# Country Total Patents
#1 United States 502
#2 France 13
#3 Australia 3
#4 Austria 2
#5 Switzerland 2
#6 Denmark 1

Patent filings per year

Chart showing COTTRELL C B & SONS COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Barber Howard M 266
#2 Luehrs Hans J 38
#3 Cottrell Edgar H 28
#4 Cottrell Calvert B 26
#5 Cottrell Charles P 25
#6 Seymour Ralph C 23
#7 Meyer Joseph E 19
#8 Greenway Richard J 12
#9 Mckee Milton A 11
#10 Cundall Constant T 8

Latest patents

Publication Filing date Title
US2811105A Inking mechanism for rotary printing presses
US2836116A Throw-offs for rotary printing presses
US2667835A Means for securing printing plates to their cylinders
US2638343A Sheet feeding and registering mechanism
US2672812A Ink pumping mechanism for rotary printing presses
US2667834A Means for securing printing plates to their cylinders under tension
US2667832A Means for securing printing plates to their cylinders
US2667833A Means for securing printing plates to their cylinders under tension
US2638342A Sheet feeding and registering mechanism
US2672093A Ink distribution for high-speed rotary printing presses
US2645998A Printing plate solidifying and dimensioning method
US2526254A Inking mechanism for printing presses
US2525363A Ink fountain for rotary printing presses
US2528159A Rotary sheet folder
US2495017A Sealing means for rotary intaglio printing press ink fountains
US2527194A Folding jaw assembly for rotary sheet folders
US2577424A Method of and means for stripping cut and creased sheets
US2499871A Means for offset printing
US2499870A Means for and method of offset printing
US2494443A Driving unit