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.
# | Country | Total Patents | |
---|---|---|---|
#1 | Canada | 816 | |
#2 | United Kingdom | 612 | |
#3 | United States | 587 | |
#4 | France | 414 | |
#5 | Germany | 276 | |
#6 | Austria | 216 | |
#7 | Switzerland | 189 | |
#8 | Japan | 75 | |
#9 | Spain | 71 | |
#10 | EPO (European Patent Office) | 62 | |
#11 | Australia | 55 | |
#12 | Netherlands | 32 | |
#13 | Sweden | 29 | |
#14 | Brazil | 23 | |
#15 | Israel | 22 | |
#16 | New Zealand | 20 | |
#17 | Italy | 18 | |
#18 | WIPO (World Intellectual Property Organization) | 13 | |
#19 | Ireland | 10 | |
#20 | Belgium | 9 | |
#21 | Greece | 9 | |
#22 | Mexico | 7 | |
#23 | Czechoslovakia | 5 | |
#24 | German Democratic Republic | 5 | |
#25 | Norway | 5 | |
#26 | USSR (Union of Socialist Soviet Republics) | 5 | |
#27 | Finland | 3 | |
#28 | Iceland | 3 | |
#29 | Republic of Korea | 3 | |
#30 | South Africa | 2 | |
#31 | India | 1 | |
#32 | Taiwan | 1 |
# | Industry | |
---|---|---|
#1 | Basic communication technologies | |
#2 | Audio-visual technology | |
#3 | Telecommunications | |
#4 | Measurement |
# | Technology | |
---|---|---|
#1 | Television | |
#2 | Antennas | |
#3 | Amplification control | |
#4 | Radio navigation | |
#5 | Resonators | |
#6 | Tuning resonant circuits | |
#7 | Demodulation | |
#8 | Transmission | |
#9 | Amplifiers | |
#10 | Pulse technique |
# | 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 |
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 | |
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US5652751A | Architecture for mobile radio networks with dynamically changing topology using virtual subnets | |
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US5742258A | Low intermodulation electromagnetic feed cellular antennas | |
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WO9523441A1 | Slot array antennas | |
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US5581260A | Angular diversity/spaced diversity cellular antennas and methods | |
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WO9426001A1 | Steerable antenna systems | |
US5625369A | Graphic-display panel antennas | |
US5534882A | GPS antenna systems |