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CHROMATIC TELEVISION LAB INC

Overview
  • Total Patents
    153
About

CHROMATIC TELEVISION LAB INC has a total of 153 patent applications. Its first patent ever was published in 1950. It filed its patents most often in United States, United Kingdom and Germany. Its main competitors in its focus markets electrical machinery and energy, audio-visual technology and machine tools are CHROMATIC TELEVISION LAB, CO FRANCAISE DE TELEVISION and DIRECT ELECTRON LP.

Patent filings in countries

World map showing CHROMATIC TELEVISION LAB INCs patent filings in countries
# Country Total Patents
#1 United States 53
#2 United Kingdom 48
#3 Germany 21
#4 France 8
#5 Austria 7
#6 Spain 7
#7 Denmark 6
#8 Switzerland 3

Patent filings per year

Chart showing CHROMATIC TELEVISION LAB INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Lawrence Ernest O 18
#2 Renn Zaphiropoulos 11
#3 Zaphiropoulos Renn 6
#4 Nunan Craig S 6
#5 Lawrence Ernest Orlando 5
#6 Patterson Howard R 4
#7 Lloyd William A 2
#8 Paul Raibourn 2
#9 Lee Ray H 2
#10 Robert Dressler 2

Latest patents

Publication Filing date Title
US2943230A Storage-type color display tube
GB872543A Improvements in color television voltage control system
GB832535A Improvements in methods of coating cathode-ray tubes with luminescent material
DE1036400B Method for covering the window of a cathode ray tube with a luminous layer
US2890379A Distortion correction in cathode-ray tubes
DE1022333B Method for producing a fusion connection by means of an electric arc between a number of very thin wire ends and two strip-shaped conductors
ES229691A1 A method of setting tensioned wires to a metal frame (Machine-translation by Google Translate, not legally binding)
GB793902A Improvements in or relating to a method of welding wires to strip-shaped conductors
US2971048A Self-decoding color television apparatus
DE1015843B Electron beam tubes for displaying color television pictures
US3084212A Narrow-gate pulsing of post deflection color tube
GB824294A Improvements in or relating to display screens for cathode ray tubes
US2879444A Display screen for television tubes
US2878411A Color television display screen
GB827178A Improvements in or relating to methods of producing colour screens for use in cathode-ray tubes
US2875363A Color-control grid structure for cathode-ray tubes
US2839704A Switching circuit
US2793319A Electron lens structure for television tubes
US2825836A Method and apparatus for establishing electrical contact to a plurality of wires
GB790325A Improvements in or relating to methods of welding wires to a holder