Learn more

HERTZ CARL H

Overview
  • Total Patents
    61
About

HERTZ CARL H has a total of 61 patent applications. Its first patent ever was published in 1966. It filed its patents most often in Canada, United States and Germany. Its main competitors in its focus markets textiles and paper, audio-visual technology and measurement are S R TECNOS KK, IRIS GRAPHICS INC and WEDG CO LTD.

Patent filings per year

Chart showing HERTZ CARL Hs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hertz Carl Hellmuth 21
#2 Hertz Carl H 19
#3 Samuelsson Bo A 5
#4 Kaaru Herumuuto Herutsu 3
#5 Nilsson Jan Ove 2
#6 Simonsson Sven-Inge 2
#7 Hellmuth Hertz Carl 2
#8 Carl Hellmuth Hertz 2
#9 Samuelsson Bo Aa 1
#10 Samuelsson Bo 1

Latest patents

Publication Filing date Title
US4839665A Method and apparatus for controlling the electrical charging of drops in an ink jet recording apparatus
US4800396A Compensation method and device for ink droplet deviation of an ink jet
EP0293496A1 Method and apparatus for high resolution ink jet printing
US4620196A Method and apparatus for high resolution ink jet printing
US4413276A Optical scanner for color facsimile
JPS5698177A Method and device for controlling charge of drop and ink jet recorder into which said device is incorporated
CA1158706A Method and apparatus for controlling the electric charge on droplets and ink jet recorder incorporating the same
GB2063769A Method and apparatus for controlling the electric charge on droplets and ink-jet recorder incorporating the same
NL7708228A Ink jet printing - uses non"clogging primary jet from nozzle to entrain secondary fluid containing pigment
CA1082285A Method and apparatus for forming a liquid jet particularly suited for ink-jet printing
US4050075A Ink jet method and apparatus
CA1002578A Combination charging/deflection electrode for ink jet recorder
US3994736A Ink composition for ink-jet writing
GB1440222A Transfer method for liquid jet recorders
CA977817A Liquid jet recorder with contact image transfer to continuous paper web
US3695107A Method of measuring the level of a material in a tank, and an apparatus for practicing this method
US3673601A Liquid jet recorder
GB1275936A Improvements in or relating to liquid jet recorders
GB1143079A Improvements in or relating to recording devices for converting electrical signals
CA779505A Recording devices for converting electrical signals