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DEHAVILLAND AIRCRAFT

Overview
  • Total Patents
    334
About

DEHAVILLAND AIRCRAFT has a total of 334 patent applications. Its first patent ever was published in 1922. It filed its patents most often in United Kingdom, United States and Canada. Its main competitors in its focus markets transport, electrical machinery and energy and measurement are FAIREY AVIAT CO LTD, AGUSTA AERONAUT COSTR and SIKORSKY AIRCRAFT CORP.

Patent filings in countries

World map showing DEHAVILLAND AIRCRAFTs patent filings in countries
# Country Total Patents
#1 United Kingdom 167
#2 United States 52
#3 Canada 49
#4 France 44
#5 Germany 18
#6 Belgium 2
#7 Italy 1
#8 Sweden 1

Patent filings per year

Chart showing DEHAVILLAND AIRCRAFTs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Bernard Halford Frank 11
#2 Halford Frank Bernard 9
#3 Blackaby Benjamin Edward 7
#4 Goodwin Laurence 6
#5 Metcalf Thomas Frederick 6
#6 Lee John G W 5
#7 Boydell Timothy Gordon Bevon 4
#8 Paddick Richard Raymond 4
#9 Blackaby Benjamin E 4
#10 Lee John Gwyn William 4

Latest patents

Publication Filing date Title
CA1100463A Nozzle structure with notches
GB1186393A Mass Flow Control
US3432123A Cross ducting system for augmentor wing aircraft
GB1080013A Improvements in or relating to mass flow measuring apparatus
GB1076163A Improvements in or relating to moisture-extracting devices
GB1116801A Improvements in or relating to homing systems
GB1070723A Improvements in or relating to aircraft
GB1068347A Improvements in or relating to control systems
GB1042140A Improvements in or relating to pulse train generators
GB1068346A Improvements in or relating to frequency comparison devices
US3289183A Multi-directional shifting device
US3153341A Rotary fluid flowmeter sensing element
GB1047011A Improvements in or relating to manual control members
US3153322A Magnetic amplifier circuits
US3213288A Magnetic amplifier engine control system
GB1021544A Improved variable pitch propeller control system
US3093350A Aircraft wing with nose flap and boundary layer control
GB977030A Improvements in or relating to encapsulating articles
GB963268A Improvements in or relating to apparatus for detecting low frequency alternating current
GB1511642A Optical systems for missile fuses