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ARMSTRONG S PATENTS COMPANY LT

Overview
  • Total Patents
    36
About

ARMSTRONG S PATENTS COMPANY LT has a total of 36 patent applications. Its first patent ever was published in 1936. It filed its patents most often in United Kingdom, France and United States. Its main competitors in its focus markets mechanical elements and machine tools are YANGZHOU FOCUS SHOCK ABSORBER CO LTD, DADCO INC and STABILUS.

Patent filings in countries

World map showing ARMSTRONG S PATENTS COMPANY LTs patent filings in countries
# Country Total Patents
#1 United Kingdom 15
#2 France 11
#3 United States 6
#4 Canada 3
#5 Germany 1

Patent filings per year

Chart showing ARMSTRONG S PATENTS COMPANY LTs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Gordon Armstrong Fullerton Geo 4
#2 Armstrong William 2
#3 Armstrong Fullerton George Gor 1
#4 Stephens Ronald Bertram 1
#5 Birkhead Peter Thomas 1
#6 Bogg Fred 1
#7 Armstrong F G G 1
#8 Smith Ronald 1
#9 William Armstrong 1
#10 Ronald Smith 1

Latest patents

Publication Filing date Title
GB696569A Improvements in or relating to hydraulic shock absorbers for vehicles
GB715965A Improvements in bearings for use in hydraulic shock absorbers
GB716032A Improvements in and relating to packing rings
GB716425A An improved fluid shock absorber and method of construction thereof
GB704671A Improvements in or relating to the manufacture of telescopic shock absorbers
GB691477A Improvements in or relating to telescopic shock absorbers
US2672952A Telescopic hydraulic shock absorber
GB670128A Improvements in or relating to hydraulic shock absorbers for vehicles
GB657030A Improvements in or relating to telescopic hydraulic shock absorbers
GB641039A Improvements in or relating to hydraulic shock absorbers
GB565821A Improvements in or relating to shock absorbers
GB560427A Improvements in universal joints
GB543013A Improvements in or relating to flexible joints
US2117644A Hydraulic shock absorber or the like damping means
US2117646A Hydraulic shock absorber and the like damping means
GB472079A Improvements in or relating to hydraulic shock absorbers and the like differential pressure operated damping means
CA385841A Hydraulic shock absorber
CA498586A Hydraulic shock absorbers for vehicles
CA487195A Telescopic hydraulic shock absorbers