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WALSH ROBERT L

Overview
  • Total Patents
    12
About

WALSH ROBERT L has a total of 12 patent applications. Its first patent ever was published in 1920. It filed its patents most often in United States, Canada and Germany. Its main competitors in its focus markets transport, electrical machinery and energy and environmental technology are NOSWORTHY WILLIAM HENRY, FOWLER HARLAN D and HELOU JR ELIE.

Patent filings in countries

World map showing WALSH ROBERT Ls patent filings in countries
# Country Total Patents
#1 United States 7
#2 Canada 4
#3 Germany 1

Patent filings per year

Chart showing WALSH ROBERT Ls patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Walsh Robert L 12

Latest patents

Publication Filing date Title
DE2329692A1 Transport system with suspended carriages - has overhead slotted rail for guiding reaction engine powered carriages at high speed
CA975612A Transportation system
US3194518A Aircraft panel construction for boundary air control
US2960249A Container framework
US2846167A Aircraft panel construction
US1986867A Airplane propeller
US1588214A Production of gas by electrolysis
US1575084A Electrical auxiliary arrangement
US1436616A Secondary or storage battery
CA751797A Aircraft panel construction for boundary air control
CA659960A Packaging device
CA599728A Aircraft panel construction