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SAMUEL SUMMERSON WRIGHTSON

Overview
  • Total Patents
    17
About

SAMUEL SUMMERSON WRIGHTSON has a total of 17 patent applications. Its first patent ever was published in 1923. It filed its patents most often in United Kingdom. Its main competitors in its focus markets transport and civil engineering are AJAX FORGE COMPANY, VOESTALPINE SIGNALING ZELTWEG GMBH and WEGH GROUP S P A.

Patent filings in countries

World map showing SAMUEL SUMMERSON WRIGHTSONs patent filings in countries
# Country Total Patents
#1 United Kingdom 17

Patent filings per year

Chart showing SAMUEL SUMMERSON WRIGHTSONs patent filings per year from 1900 to 2020

Focus industries

Latest patents

Publication Filing date Title
GB480535A Improved rail chairs or tie plates
GB388032A Improvements in and relating to railway or tramway track, switches, crossings and the like
GB363636A Improvements in or relating to railway and tramway points or switches and crossings
GB345786A Improvements in or relating to connecting rods for railway or tramway points or switches
GB319974A Improvements in or relating to lubricators for the axles of pit tubs and the like
GB318781A Improvements in or relating to railway and tramway switch boxes or ground levers
GB323571A Improvements in or relating to rail chairs or tie plates or rail chairs combined with steel sleepers for tramways or railways
GB292444A Improvements in or relating to fishplates for railways or tramways
GB304496A Improvements in or relating to rail chairs or tie plates for tramways or railways
GB298777A Improvements relating to railway and tramway points or switches
GB268569A Improvements in or relating to serving hatches and the like wall fixtures or furniture
GB251089A Improvements in or relating to rail chairs or tie plates for tramways or railways
GB237497A Improvements in or relating to railway and tramway switch boxes or ground levers
GB233151A Improvements in connecting rods for railway or tramway points or switches
GB233110A Improvements relating to railway and tramway points or switches
GB224726A Improvements in or relating to railway and tramway switch boxes or ground levers
GB222607A Improved connecting rod for railway or tramway points or switches