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HELL RUDOLF

Overview
  • Total Patents
    88
About

HELL RUDOLF has a total of 88 patent applications. Its first patent ever was published in 1951. It filed its patents most often in United Kingdom, France and Denmark. Its main competitors in its focus markets audio-visual technology, textiles and paper and computer technology are RUDOLF HELL KOMMANDITGESELLSCH, HELL RUDOLF DR ING FA and PIERCE COMPANY.

Patent filings per year

Chart showing HELL RUDOLFs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hell Rudolf 5
#2 Keller Hans Dr 4
#3 Taudt Heinz Dipl Ing 4
#4 Sommer R 3
#5 Keller H 2
#6 Karius H 1
#7 Hell R 1
#8 Andree K 1
#9 Jung E 1
#10 Parl U 1

Latest patents

Publication Filing date Title
JPS544607A Method and device for flat plate printing
US3904816A Method for the dot-by-dot and line-by-line reproduction of picture originals
GB1272295A Improvements in or relating to shearing devices
GB1256145A A method for producing a rastered recording of a video signal obtained by photo-electrically scanning a continuous tone picture
GB1176920A A Method and Arrangement for Driving Engraving Machines of the Drum Type
GB1224383A An optical-electronic system for stabilizing a controllable recording lamp
GB1429469A Method for subsequently setting data receivers in a contrinuous transmission of encoded data transmitted in binary code form
GB1506143A Method for producing cipher sequences consisting of binary symbol elements for enciphering binarily-coded data
GB1418864A Method for enciphering and deciphering continuous-tone pictures in picture telegraphy
GB1506741A Apparatus for mixing plain language characters with ciphering characters
GB1605259A Apparatus for encoding & decoding characters or combinations of code symbols representing them
GB1449597A Encoding and decoding information for transmission by facsimile apparatus
GB699324A Improvements in or relating to recording devices
GB748262A Improvements in or relating to a method of transmitting electrically pictures, drawings, texts or the like
CA911817A Web fault-detecting apparatus