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POWELL DUFFRYN STANDARD LTD

Overview
  • Total Patents
    30
About

POWELL DUFFRYN STANDARD LTD has a total of 30 patent applications. Its first patent ever was published in 1990. It filed its patents most often in United Kingdom, EPO (European Patent Office) and France. Its main competitors in its focus markets transport, electrical machinery and energy and packaging and shipping are CARNAHAN CYRUS M, DOUBLE BODY BOLSTER CO and SACMA SPA.

Patent filings in countries

World map showing POWELL DUFFRYN STANDARD LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 24
#2 EPO (European Patent Office) 3
#3 France 2
#4 Czechia 1

Patent filings per year

Chart showing POWELL DUFFRYN STANDARD LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Latham Joseph 18
#2 Harding Alan 5
#3 Kibble Michael 5
#4 Smith Brian 4
#5 Tandy David William 3
#6 Harding Alan Blair 2
#7 Given John Roderick 2
#8 Smith Brian Leslie 2
#9 Leslie Smith Brian 1
#10 Powell Duffryn Standard Limite 1

Latest patents

Publication Filing date Title
GB9924816D0 Primary suspension for a rail vehicle
GB2332410A9 Improvements in bogie trucks for rail vehicles
GB9810814D0 Bogie truck for rail vehicles
EP0879751A1 Improvements in bogie trucks for rail vehicles
GB9810776D0 Bogie rail vehicles
GB9802188D0 Improvements in bogie trucks for rail vehicles
GB2331506A9 Container lifting
GB9720906D0 Improvements in bogie trucks for rail vehicles
GB9714085D0 Improvements in bogie trucks for rail vehicles
GB9710654D0 Improvements in bogie trucks for rail vehicles
GB9704537D0 Bogie truck suspension
GB9624756D0 Single axle suspension for rail vehicle allows steering effect - improving ride, and reducing noise emission and wheel flange wear
GB9621535D0 Railway vehicle coupling systems
GB9525039D0 A suspension unit for a wheelset of a rail vehicle
GB9517221D0 Bogie rail vehicles
GB9417625D0 Bogie rail vehicles
GB9219883D0 Bogie rail vehicles and methods of designing such vehicles
GB9216511D0 Improvements in or relating to bogie trucks for rail vehicles
GB9204361D0 Detecting overheated bearings in railway vehicles
GB9118226D0 Bearer springs