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TULL AVIATION CORP

Overview
  • Total Patents
    188
About

TULL AVIATION CORP has a total of 188 patent applications. Its first patent ever was published in 1970. It filed its patents most often in United States, Canada and France. Its main competitors in its focus markets measurement, telecommunications and basic communication technologies are KELVIN HUGHES LTD, FEDERALNOE GOSUDARSTVENNOE UNITARNOE PREDPRIYATIE ROSTOVSKIJ NA DONU NAUCHNO ISSLEDOVATELSKIJ INST R and TELEDYNE AUSTRALIA PTY LTD.

Patent filings in countries

World map showing TULL AVIATION CORPs patent filings in countries

Patent filings per year

Chart showing TULL AVIATION CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Toman Donald J 45
#2 Toman D J 18
#3 Toman D 14
#4 Hundley Warren 14
#5 Coulter J Roland 11
#6 Hundley W 9
#7 Coulter J R 5
#8 Fuerherm Arthur E 5
#9 Donarudo Jiei Tooman 5
#10 Perper L J 4

Latest patents

Publication Filing date Title
US4129870A Apparatus for synthesis of scanning beam
CA1106044A Scanning beam radio navigation method and apparatus
US4080600A Scanning beam radio navigation method and apparatus
US4129872A Microwave radiating element and antenna array including linear phase shift progression angular tilt
CA1021441A Transmitting radio guidance signals with dispersed position sequence switched scanning beam
US4037173A Multiple carrier modulation synthesis
US4050074A Blended step scan beam signal from fixed beam components
CA1062375A Operating condition data system
US4041492A Radio navigation with separate correlated scans to avoid reflection interference
US3982249A Microwave radiation method and apparatus with a combined diffraction edge and radiation screen
US3971026A Multiple beam glide slope radio navigation method with two classes of beams
US4006461A System for transmitting operating condition data from a passive station to a central station
US3950705A Noise rejection method and apparatus for digital data systems
AU7528774A Improved scanning beam guidance method and system
USRE28599E Scanning beam guidance method and system
US3950754A Method of transmitting glide slope navigation signals for aircraft
US3931624A Antenna array for aircraft guidance system
US3890620A Method and apparatus for modulation synthesis
GB1399770A Radio guidance method
AU6140073A Radio guidance method