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ARMSTRONG W G WHITWORTH & CO

Overview
  • Total Patents
    127
About

ARMSTRONG W G WHITWORTH & CO has a total of 127 patent applications. Its first patent ever was published in 1898. It filed its patents most often in United Kingdom, Switzerland and France. Its main competitors in its focus markets weapons, packaging and shipping and machines are BREV AEROMECANIQUES S A, SCHNEIDER & CIE and HUGH WILLIAM GABBETT FAIRFAX.

Patent filings in countries

World map showing ARMSTRONG W G WHITWORTH & COs patent filings in countries
# Country Total Patents
#1 United Kingdom 124
#2 Switzerland 1
#3 France 1
#4 United States 1

Patent filings per year

Chart showing ARMSTRONG W G WHITWORTH & COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 John Stewart Smith James 1
#2 Mclaren Middleton Brian 1
#3 Donald Wilfred Tryhorn 1

Latest patents

Publication Filing date Title
GB1102085A Improved turbocharged internal combustion engine
GB407730A Improvements in or relating to clutches
GB410520A Improvements in or relating to rotary melting furnaces
GB392574A Improvements in or relating to the heating of feed water for steam boilers utilizingthe heat of hot waste gases
US1923838A Cotton gin
GB368354A Improvements in or relating to power plants
GB356444A Improvements in and relating to pneumatically operated drilling and grinding machines and the like
GB353013A Improvements in or relating to battery charging arrangements suitable for use in petrol-electric and the like vehicles
GB354747A Improvements in articulated rail motor coach units
GB278074A Means for taking up leash in the transmission of motion
GB260687A Improvements in breech mechanism of ordnance
GB258949A Improvements in or relating to valves suitable for use in high pressure systems
GB218002A Improvements in oil fuel burners
GB205659A Improvements in hoists
GB173029A Improvements in ammunition hoists
GB128136A Improvements in and relating to Work Rotating Gears adapted for use in connection with Hydraulic Presses, Steam Hammers and the like.
GB136931A Improvements in Swashplate Mechanism.
GB131131A Improvements in Electrical Signalling Apparatus.
GB126512A Improvements in Apparatus for Bending Metal Pipes.
GB129383A Improvements in Hydraulic Buffers for Controlling the Movements of Guns in their Mountings.