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BIDDLE WALTER HARRISON

Overview
  • Total Patents
    16
About

BIDDLE WALTER HARRISON has a total of 16 patent applications. Its first patent ever was published in 1913. It filed its patents most often in United Kingdom, Spain and Canada. Its main competitors in its focus markets transport are ENA TELECOMUNICACIONES SA, SHOECRAFT JUDSON and DUTTON SAMUEL TELFORD.

Patent filings in countries

World map showing BIDDLE WALTER HARRISONs patent filings in countries
# Country Total Patents
#1 United Kingdom 7
#2 Spain 4
#3 Canada 3
#4 United States 2

Patent filings per year

Chart showing BIDDLE WALTER HARRISONs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Transport

Focus technologies

Top inventors

# Name Total Patents
#1 Biddle Walter Harrison 12

Latest patents

Publication Filing date Title
GB130434A Improvements in or relating to Railway and similar Signals.
CA178424A Train signal
US1250780A Automatic railway signaling train control or the like.
CA185209A Means of compensating the expansion or contraction of wires, etc.
US1263193A Compensating device.
GB101857A Improvements in Means for Producing Audible Signals on Trains.
GB102241A Improvements in Apparatus for Actuating Signals on Trains and for Stopping Trains Independently of Drivers.
GB191511941A Improvements in Apparatus for Actuating Signals on Trains and for Stopping Trains Independently of Drivers.
GB191509387A An Improved Method and Apparatus for Automatically Compensating the Expansion or Contraction of Wires, Rods or the like.
GB191513214A Improvements in and connected with Automatic Railway Signalling Train Control or the like.
GB191327366A Improvements in Apparatus for Actuating Signals on Trains and for Stopping Trains Independently of Drivers.
CA206188A Railway signal