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TOMKINS JOHNSON CO

Overview
  • Total Patents
    16
About

TOMKINS JOHNSON CO has a total of 16 patent applications. Its first patent ever was published in 1937. It filed its patents most often in United Kingdom, United States and Canada. Its main competitors in its focus markets mechanical elements, engines, pumps and turbines and electrical machinery and energy are AGIMAN JACQUES, APP DE TRANSMISSION SOC D and BUTTERWORTH HYDRAULIC DEV LTD.

Patent filings in countries

World map showing TOMKINS JOHNSON COs patent filings in countries
# Country Total Patents
#1 United Kingdom 4
#2 United States 4
#3 Canada 3
#4 France 3
#5 Germany 2

Patent filings per year

Chart showing TOMKINS JOHNSON COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Corwin Howard D 2
#2 Watson Tindale P 2
#3 Vandenburgh Robert D 2
#4 Ward Loyd A 1
#5 Halladay Merton E 1
#6 D Vandenburgh Robert 1
#7 P Watson Tindale 1
#8 White Charles William 1
#9 Halladay Merton Emerson 1
#10 White Charles W 1

Latest patents

Publication Filing date Title
FR1520108A Motor unit with expanding chamber
US3414693A Cylinder head limit switch assembly
FR1394623A Actuating device or cylinder with expanding chamber
FR1361239A Expansion motor with end-of-stroke damper for its piston
US3196753A Cushion control and surge relief
US3038448A Cylinder construction
GB779280A Improvements in means for cushioning the pistons of fluid-pressure operated piston and cylinder assemblies
GB714374A Improvements in and relating to piston and cylinder assemblies
US2298852A Actuating mechanism for riveting machines
CA605364A Cushioning structure for hydraulic motor
CA719509A Cylinder cushion structure
CA817672A Cylinder head limit switch assembly