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HAZELTINE CORP

Overview
  • Total Patents
    3,598
About

HAZELTINE CORP has a total of 3,598 patent applications. Its first patent ever was published in 1920. It filed its patents most often in Canada, United Kingdom and United States. Its main competitors in its focus markets basic communication technologies, audio-visual technology and telecommunications are HAZELTINE RESEARCH INC, ANHUI ZHANQIAN TECH CO LTD and THOMSON LGT.

Patent filings per year

Chart showing HAZELTINE CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wheeler Harold A 168
#2 Hazeltine Corporation 134
#3 Loughlin Bernard D 125
#4 Wheeler Harold Alden 99
#5 Richman Donald 69
#6 Lopez Alfred R 68
#7 Loughlin Bernard Dunlevy 58
#8 Hannan Peter W 45
#9 Frazita Richard F 45
#10 Case Nelson P 37

Latest patents

Publication Filing date Title
EP0856910A2 Cellular antennae
EP0856909A1 Cellular antennae
GB9723487D0 Network Architecture for Linking Base Stations
EP0834955A2 Feed networks for antennae
US5691729A Aperture-to-receiver gain equalization in multi-beam receiving systems
US5764195A UHF/VHF multifunction ocean antenna system
US5652751A Architecture for mobile radio networks with dynamically changing topology using virtual subnets
US5654939A Retrievable volumetric/planar acoustic array apparatus
US5684794A Validation of subscriber signals in a cellular radio network
US5742593A On-line distributed TDMA/FDMA/CDMA link assignment in mobile radio networks with flexible directivity
US5742258A Low intermodulation electromagnetic feed cellular antennas
US5539783A Non-coherent synchronization signal detector
WO9523441A1 Slot array antennas
US5606333A Low wind resistance antennas using cylindrical radiating and reflector units
US5684491A High gain antenna systems for cellular use
US5581260A Angular diversity/spaced diversity cellular antennas and methods
US5485036A Local ground plane for high frequency circuits
WO9426001A1 Steerable antenna systems
US5625369A Graphic-display panel antennas
US5534882A GPS antenna systems