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FRANK WHYMAN

Overview
  • Total Patents
    17
About

FRANK WHYMAN has a total of 17 patent applications. Its first patent ever was published in 1930. It filed its patents most often in United Kingdom. Its main competitors in its focus markets transport, electrical machinery and energy and environmental technology are ROBERT BROOKS, MEYFARTH GOTTLIEB and VOSSLOH KIEPE GMBH.

Patent filings in countries

World map showing FRANK WHYMANs patent filings in countries
# Country Total Patents
#1 United Kingdom 17

Patent filings per year

Chart showing FRANK WHYMANs patent filings per year from 1900 to 2020

Latest patents

Publication Filing date Title
GB641123A Improvements relating to electrically driven railway vehicles
GB626798A Improvements relating to the suspension of vehicle bodies
GB583713A Improvements relating to braking equipment for electric traction systems
GB524083A Improvements relating to driving devices for electrically propelled vehicles
GB496590A Improvements in and relating to control equipment for electric locomotives
GB478824A Improvements in arc extinguishing devices for electric circuit interrupters
GB455826A Improvements relating to the control of electric motors
GB458705A Improvements relating to protective arrangements for compound-wound electric motors
GB456197A Improvements relating to electrically driven locomotives
GB457907A Improvements relating to electrically driven locomotives and trains
GB417812A Improvements in current collecting devices for electric railway vehicles
GB417001A Improvements in and relating to electric contactors
GB414850A Improvements in or relating to devices for collecting electric currents from overhead conductors for transmission to moving vehicles
GB404396A Improvements in current collecting devices for electric railway vehicles
GB396410A Improvements relating to the control of direct current electric motors
GB386716A Improvements in electric motor control systems
GB359548A Improvements in electric motor control systems