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UNITED AIRCRAFT CORP

Overview
  • Total Patents
    8,747
About

UNITED AIRCRAFT CORP has a total of 8,747 patent applications. Its first patent ever was published in 1928. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets transport, engines, pumps and turbines and machines are LOCKHEED AIRCRAFT CORP, NORTHROP AIRCRAFT INC and MCDONNELL AIRCRAFT CORP.

Patent filings in countries

World map showing UNITED AIRCRAFT CORPs patent filings in countries
# Country Total Patents
#1 United States 3,560
#2 Canada 1,259
#3 United Kingdom 1,134
#4 France 978
#5 Germany 751
#6 Sweden 261
#7 Switzerland 241
#8 Italy 145
#9 Israel 92
#10 Australia 75
#11 Belgium 57
#12 Brazil 52
#13 Spain 42
#14 Netherlands 31
#15 Denmark 14
#16 Austria 12
#17 South Africa 9
#18 Norway 8
#19 Argentina 7
#20 Malaysia 6
#21 Ireland 3
#22 Japan 3
#23 India 2
#24 Philippines 2
#25 Cyprus 1
#26 Finland 1
#27 Greece 1

Patent filings per year

Chart showing UNITED AIRCRAFT CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ledwith Walter A 63
#2 Best Stanley G 63
#3 Erle Martin 60
#4 Farkas Thomas P 47
#5 Brahm Charles B 45
#6 Martin Erle 43
#7 Sikorsky Igor I 42
#8 Andrew Kalitinsky 37
#9 Tyler John M 35
#10 Caldwell Frank W 30

Latest patents

Publication Filing date Title
MY7900044A Attitude control system for an aircraft
CA1008937A Constant slew rate filtering
CA1062337A Single oscillator microwave transceiver
NL7502278A Hemispherical sweep radar scanning antenna - has combined mechanical rotation and electronic scanning
CA1017061A Gas turbine analyzing system
ES433164A1 Improvements in a wet hermetic closure for liquid electrolyte fuel batteries. (Machine-translation by Google Translate, not legally binding)
CA998748A Constant slew rate filter employing an operational amplifier
FR2288584A1 Multiple electrode guide block cast in plastic - suitable for electrochemical drilling of coolant holes in turbine blades
DE2450603A1 Multiple electrode guide block cast in plastic - suitable for electrochemical drilling of coolant holes in turbine blades
GB1461156A Guide for electrochemical drilling and method of making it
CA1034078A Method of making guide for electrochemical drilling
CA1035298A Catalytic cracking hydrogen generator
US3896615A Gas turbine engine for subsonic flight
US3909701A Linear energy conservative current source
US3906333A Low cost switching high voltage supply
DE2446548A1 POWER PLANT WITH COVERED FAN
IT1022325B Auxiliary power take off valve for turbo jet engine - has an under cut throttle valve to allow an air flow in the closed position
US3905192A Combustor having staged premixing tubes
US3900150A Duplex composite tape
ZA7405190B Mold and process for casting high temperature alloys