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HALOID CO

Overview
  • Total Patents
    139
About

HALOID CO has a total of 139 patent applications. Its first patent ever was published in 1933. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets optics, machines and semiconductors are GESTETNER BYFLEET LTD, ELFOTEC AG and PLASTIC COATING CORP.

Patent filings in countries

World map showing HALOID COs patent filings in countries
# Country Total Patents
#1 United States 110
#2 Canada 9
#3 United Kingdom 7
#4 Germany 6
#5 France 6
#6 Switzerland 1

Patent filings per year

Chart showing HALOID COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Mayo Clyde R 16
#2 Sabel Edward R 15
#3 Walkup Lewis E 14
#4 Lloyd Whitten P 12
#5 Galbrecht Frank I 10
#6 Hayford Richard E 6
#7 Hill Maxwell H 6
#8 Copley Harold E 5
#9 Benson Robert W 5
#10 Vyverberg Robert G 4

Latest patents

Publication Filing date Title
US3023731A Electrostatic alphanumerical printer with image transfer mechanism
GB843502A Contact transfer for xerography
US2836725A Corona charging device
GB821337A Xerographic developing apparatus
US2791949A Xerographic copying device
US2832311A Apparatus for development of electrostatic images
US2817765A Xerographic method
US2759450A Xerographic developing apparatus
US2752271A Electrostatic cleaning of xerographic plates
US2790082A Xerographic charging device
US2803542A Xerographic plate
US2831409A Xerographic camera
US2843084A Xerographic apparatus with endless development electrode
US2815330A Generator of aerosol of powder in gas
US2792971A Particle aerosol generation
US2832511A Generator of an aerosol of powder particles
US2784694A Segmented development electrode
US2824545A Apparatus for developing xerographic images
US2837441A Xerographic wet belt loading
US2817598A Continuous tone reversal development process