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BLACK J

Overview
  • Total Patents
    23
About

BLACK J has a total of 23 patent applications. Its first patent ever was published in 1909. It filed its patents most often in United Kingdom, Italy and United States. Its main competitors in its focus markets textiles and paper, machines and civil engineering are BLACK JAMES, BOBST CHAMPLAIN S A and CAMPBELL PRINTING PRESS & MFG.

Patent filings in countries

World map showing BLACK Js patent filings in countries

Patent filings per year

Chart showing BLACK Js patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Black J 8
#2 Farwell H 2
#3 Lennox A H 1
#4 Sinnema W 1
#5 Lennox H 1

Latest patents

Publication Filing date Title
GB8418641D0 Ic engines
GB8309043D0 Life buoys
WO8101586A1 Door stopping device
NZ188631A Writing paper with reinforcing material along as least one side edge
AU6014280A Door stop
GB1529375A Stencil screen printing presses
GB1468688A Web registration mechanisms for printing presses
US3834348A Printing screen coating apparatus
US3746099A Method and apparatus for picking up litter
US3779160A Printing press and web registry system
CA118097A Draught and smoke washing apparatus