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CHU ASSOCIATES

Overview
  • Total Patents
    84
About

CHU ASSOCIATES has a total of 84 patent applications. Its first patent ever was published in 1967. It filed its patents most often in Canada, United States and France. Its main competitors in its focus markets telecommunications, basic communication technologies and civil engineering are BSH ELECTRONICS LTD, SMART ANTENNA TECHNOLOGIES LTD and SEFARA.

Patent filings in countries

World map showing CHU ASSOCIATESs patent filings in countries

Patent filings per year

Chart showing CHU ASSOCIATESs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Morgenthaler F 9
#2 Faigen Ivan 8
#3 Creaser Charles W Jr 6
#4 Creaser Charles 5
#5 Morgenthaler Frederic R 5
#6 Eovine Michael 4
#7 Creaser Jr Charles W 4
#8 Thombs David M 3
#9 Creaser Charles W 3
#10 Johnson Ray C 3

Latest patents

Publication Filing date Title
CA2032335A1 Telescoping lightweight antenna tower assembly and the like
US5086635A Method of and machine for forming compound curvatures in metal sheets by drawing
US5184144A Ogival cross-section combined microwave waveguide for reflector antenna feed and spar support therefor
CN1056381A Omnidirectional communications mast-mounted monopole antenna
AU5131790A Broad-band quadrifilar helical antenna and the like and feed network therefor
US5101215A Telescoping lightweight antenna tower assembly and the like
EP0387445A2 Monopole antenna
IL87467D0 Ultra-broadband linearly polarized biconical antenna
US4835542A Ultra-broadband linearly polarized biconical antenna
EP0201645A2 Telescoping lightweight antenna tower assembly and the like
US4745412A Lightweight tower assemblies for antennas and the like
US4598296A Dipole antenna system with overhead coverage having equidirectional-linear polarization
US4567487A Vibration-tolerant whip antenna
US4087823A Broadband dipole antenna system having three collinear radiators
US4008479A Dual-frequency circularly polarized spiral antenna for satellite navigation
DE2306505A1 PROCESS AND FILTER FOR SEPARATING ELECTROMAGNETIC WAVES WITH CERTAIN FREQUENCIES FROM A FREQUENCY BAND
IL41262D0 Method and apparatus for transducing electromagnetic waves
IL41261D0 Tunable electromagnetic wave filter
CA973619A Tunable variable band width magneto-elastic filter and method
CA973620A Electromagnetic wave-elastic wave transducer and method