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RAPIDOGRAPH INC

Overview
  • Total Patents
    13
About

RAPIDOGRAPH INC has a total of 13 patent applications. Its first patent ever was published in 1965. It filed its patents most often in United States, Switzerland and Germany. Its main competitors in its focus markets consumer goods, machine tools and machines are SHEAFFER WALTER A, FAGARD A J & CIE and ESTERBROOK STEEL PEN MFG CO.

Patent filings in countries

World map showing RAPIDOGRAPH INCs patent filings in countries
# Country Total Patents
#1 United States 11
#2 Switzerland 1
#3 Germany 1

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Riepe Helmuth 5
#2 Franz Wieland 4
#3 Zansitis Jacob W 2
#4 Ciol Joseph J 2
#5 Wieland Franz 1
#6 Joseph J Ciol 1
#7 J Ciol Joseph 1
#8 Helmuth Riepe 1
#9 Danjczek William E 1
#10 Anderka G 1

Latest patents

Publication Filing date Title
US3475103A Stylographic pen cap with built-in hygrometer
US3383292A Method for uniform chrome plating of a plurality of miniature parts
US3388455A Method for press fitting of miniature tubing of varying diameters
US3404055A Method for assembling miniature tubing
US3463323A Stand for tube writing pens
US3427116A Pen having a wear-compensating construction