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HELL RUDOLF DR ING KG

Overview
  • Total Patents
    14
About

HELL RUDOLF DR ING KG has a total of 14 patent applications. Its first patent ever was published in 1955. It filed its patents most often in United States, Germany and Canada. Its main competitors in its focus markets audio-visual technology, machines and machine tools are NISSEI OPTO KK, KOMIYAMA HIROSHI and WALTER HOWEY.

Patent filings in countries

World map showing HELL RUDOLF DR ING KGs patent filings in countries
# Country Total Patents
#1 United States 11
#2 Germany 2
#3 Canada 1

Patent filings per year

Chart showing HELL RUDOLF DR ING KGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Rudolf Hell 2
#2 Peters Manfred 2
#3 Koll Roman 2
#4 Clement Klaus 2
#5 Taudt Heinz 2
#6 Gesell Reinhard 2
#7 Hell Rudolf 1
#8 Keller Hans 1
#9 Gertung K 1
#10 Hell Rodolf 1

Latest patents

Publication Filing date Title
DE2022984B1 Clamping device for transparent artwork for photo-electrical scanning
CA929633A Device for detecting defects in continuous web material
US3593027A Web fault-detecting apparatus using roller constructed to prevent bouncing
US3626161A Method of producing a character or pattern original for use in quantizing a character or pattern and obtaining digital data therefrom by photoelectrical scanning
US3374311A Producing printing blocks,preferably intaglio printing blocks
US2892887A Apparatus for producing screened printing forms with automatic correction of tone values