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STEWART & SONS WM R

Overview
  • Total Patents
    73
About

STEWART & SONS WM R has a total of 73 patent applications. Its first patent ever was published in 1953. It filed its patents most often in United Kingdom, United States and EPO (European Patent Office). Its main competitors in its focus markets textiles and paper, machines and machine tools are STEWART & SONS HACKLEMAKERS, CASHIN SYSTEMS CORP and COM IND MAQUINARIA CARTON ONDU.

Patent filings in countries

World map showing STEWART & SONS WM Rs patent filings in countries

Patent filings per year

Chart showing STEWART & SONS WM Rs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Stewart David Bruce 17
#2 Stewart William Rennie 16
#3 Stewart David B 8
#4 Hogan Brian David 6
#5 Stewart William R 5
#6 Dickinson John Michael Casson 5
#7 Dickinson John M C 4
#8 Stewart D 3
#9 Butler Joseph 2
#10 Debitsudo Buruusu Suchiyuwaato 2

Latest patents

Publication Filing date Title
GB9916107D0 Fibre carding flat
GB9805415D0 Fibre processing apparatus
GB9713389D0 Pinned member
GB9707051D0 Fibre processing apparatus
GB9705412D0 Fibre processing apparatus
GB9609627D0 Securing segments to a base
GB9104158D0 Manufacture of paper and board and related products
GB9014222D0 An improved comb for textile machinery
US4869060A Fiber opening devices
US4884395A Fibre opening devices
FI833476A0 Skaeranordning
EP0049142A1 Improved opening roller for open end spinning machines
DE2855153A1 NEEDLED ELEMENT FOR TEXTILE MACHINERY AND PROCESSES
US4162559A Carding apparatus
DE2550432A1 Discontinuous spinning of fibres of unlike characteristics - uses a beating roller with pointed studs to break down sliver into fibres for spinning
IT1048372B Discontinuous spinning of fibres of unlike characteristics - uses a beating roller with pointed studs to break down sliver into fibres for spinning
GB1449466A Pinned tubes or rollers
GB1440111A Manufacture of split fibre products
GB1398307A Drawing frames for the textile industry
GB1421324A Fibrillating rollers