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ARMSTRONG WHITWORTH CO ENG

Overview
  • Total Patents
    434
About

ARMSTRONG WHITWORTH CO ENG has a total of 434 patent applications. Its first patent ever was published in 1898. It filed its patents most often in United Kingdom, United States and Canada. Its main competitors in its focus markets transport, weapons and engines, pumps and turbines are SOPWITH AVIAT COMPANY LTD, BELL AIRCRAFT CORP and VICKERS AVIAT LTD.

Patent filings in countries

World map showing ARMSTRONG WHITWORTH CO ENGs patent filings in countries
# Country Total Patents
#1 United Kingdom 301
#2 United States 49
#3 Canada 47
#4 France 22
#5 Germany 10
#6 Italy 2
#7 Switzerland 1
#8 Spain 1
#9 Japan 1

Patent filings per year

Chart showing ARMSTRONG WHITWORTH CO ENGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Lloyd John 11
#2 Young Robert Eric 10
#3 Warren Lee Hugh 8
#4 John Lloyd 7
#5 Neil Wylie Hamilton 6
#6 Windlow Swindale John 5
#7 Mansfield Wilfred Percival 5
#8 Wylie Hamilton Neil 4
#9 Plester Joseph 4
#10 Watson Henry Romaine 4

Latest patents

Publication Filing date Title
FR2352952A1 Opposed piston compression ignition engine - has pistons connected to L-shaped levers by small dia. pins in bushes
GB1370353A Rotary positive-displacement machine
GB1306880A Internal combustion engines
US3153318A Exhaust systems for gas producing units
DE1094855B Device for controlling one or more actuation means
DE1062775B Electrical directional coupling device
GB855676A Hermetically-sealed plunger-operated electric switch
GB840637A Control for the pitch stop of a variable-pitch, aircraft propeller
GB805657A Improved multiple electrical switch
GB859047A A method of forming a base, or terminal board, for an electronic circuit
GB859048A Improvements in and relating to stencils
GB811800A A generator of heated and pressurized gas to act as motive fluid
GB808779A Improvements in and relating to radar systems
GB775070A Improvements relating to electrical junction boxes
GB840425A Improvements in radar systems
GB778019A Improved motor-driven hand-saw
GB807675A Improvements in and relating to grounded grid thermionic valve circuits
GB793442A A mould for, and a process of moulding, sandwich-type laminated materials
GB793441A A process of making sandwich-type laminated materials
GB784929A Closing doors for a bomb bay of an aircraft