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ALLEN PHILIP J

Overview
  • Total Patents
    19
About

ALLEN PHILIP J has a total of 19 patent applications. Its first patent ever was published in 1949. It filed its patents most often in United States and Switzerland. Its main competitors in its focus markets telecommunications, measurement and audio-visual technology are CHENGDU SINOSCITE TECH CO LTD, CHANNEL MASTER LTD and ZHENJIANG ZHONGAN COMM TECHNOLOGY CO LTD.

Patent filings in countries

World map showing ALLEN PHILIP Js patent filings in countries
# Country Total Patents
#1 United States 18
#2 Switzerland 1

Patent filings per year

Chart showing ALLEN PHILIP Js patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Allen Philip J 18
#2 Philip J Allen 1
#3 Olin Irwin D 1
#4 Dunn John H 1
#5 Organization Inc The Raymond L 1

Latest patents

Publication Filing date Title
US4596074A Curvilinear measuring device, and methods of constructing and utilizing same
US3357021A Polarization characteristics measuring system
US3166724A Electrical frequency shifter utilizing faraday phase shifter and dual mode coupler with rotatable reflection dipole
US3092828A Polarization modulation apparatus
US3142061A Microwave polarization resolver
US3154784A Re-radiating antenna device
US3059186A Polarization resolver and mixer
US3089104A Device for independent control of ellipticity and orientation of polarized electromagnetic waves
US3037204A Trimode turnstile monopulse feed
US3109996A Waveguide feed with septum for directional antenna
US3093825A Polarimeter
US2892982A Trimode hybrid junction
US2867772A Microwave circulator
US2844789A Microwave magnetic detectors
US2809354A Electronic microwave switch
US2716221A Rotatable dielectric slab phase-shifter for waveguide
US2779003A Dielectric disc phase-shifter for waveguide
US2677055A Multiple-lobe antenna assembly