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HOBROUGH LTD

Overview
  • Total Patents
    28
About

HOBROUGH LTD has a total of 28 patent applications. Its first patent ever was published in 1968. It filed its patents most often in United States, Canada and Switzerland. Its main competitors in its focus markets measurement, computer technology and optics are MYZOX KK, ALT HEINRICH and PATENT ISLAND CO LTD.

Patent filings in countries

World map showing HOBROUGH LTDs patent filings in countries
# Country Total Patents
#1 United States 7
#2 Canada 6
#3 Switzerland 5
#4 Germany 4
#5 Spain 3
#6 United Kingdom 2
#7 France 1

Patent filings per year

Chart showing HOBROUGH LTDs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Hobrough Gilbert L 8
#2 Gilbert L Hobrough 4
#3 L Hobrough Gilbert 3
#4 Hobrough G L 2
#5 Hobrough G 2
#6 George A Wood 1
#7 Wood G A 1
#8 Wood George A 1
#9 Crawley Barry G 1

Latest patents

Publication Filing date Title
US3914051A Automatic orthophoto printer and display including position error compensation for photo-positioning transport
ES417341A3 Orthophotograph printing apparatus. (Machine-translation by Google Translate, not legally binding)
ES417339A3 Paralage discriminator system. (Machine-translation by Google Translate, not legally binding)
ES417340A3 Improvements introduced in pending limiters to soften discontinuities between a first and second signals. (Machine-translation by Google Translate, not legally binding)
US3777055A Hexagonal patch printing for orthophoto printers
GB1348908A Orthophoto printer systems
CA941152A Orthophoto printer system with parallax display
CA930155A Automatic orthophoto printer
US3674369A Automatic orthophoto printer
US3686489A Digital slope limiter
US3687547A Photo positioning system
CA872461A Automatic orthophoto printer
US3651416A Digital parallax discriminator system
US3659939A Automatic orthophoto printer
CA897796A Digital parallax discriminator system