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WALKER HAROLD

Overview
  • Total Patents
    13
About

WALKER HAROLD has a total of 13 patent applications. Its first patent ever was published in 1907. It filed its patents most often in WIPO (World Intellectual Property Organization), Australia and Canada. Its main competitors in its focus markets digital networks, basic communication technologies and telecommunications are CHALLA RAGHU N, DICK CHRISTOPHER H and PERIBIT NETWORKS INC.

Patent filings in countries

World map showing WALKER HAROLDs patent filings in countries
# Country Total Patents
#1 WIPO (World Intellectual Property Organization) 3
#2 Australia 2
#3 Canada 2
#4 United Kingdom 2
#5 Colombia 1
#6 Israel 1
#7 Norway 1
#8 United States 1

Patent filings per year

Chart showing WALKER HAROLDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Walker Harold 12
#2 Walker Edgar 1

Latest patents

Publication Filing date Title
US2006248693A1 Shoelace retaining apparatus
WO02065640A1 Digital modulation device in a system and method of using the same
AU2956801A A method and apparatus for improved cellular telephone communications
IL135917D0 Digital modulation employing single sideband with supressed carrier
GB190805548A Improvements in and relating to Pedestals or Bearings.
GB190726097A Improved Means for Preventing the Skidding of Vehicle Wheels.
CA199602A Water tube steam generator