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PORTER SCREEN COMPANY

Overview
  • Total Patents
    12
About

PORTER SCREEN COMPANY has a total of 12 patent applications. Its first patent ever was published in 1915. It filed its patents most often in United States and Canada. Its main competitors in its focus markets civil engineering, furniture and games and consumer goods are MARTELA AG, MARCADET MOBILIER and JUL HAEDRICH & CO.

Patent filings in countries

World map showing PORTER SCREEN COMPANYs patent filings in countries
# Country Total Patents
#1 United States 10
#2 Canada 2

Patent filings per year

Chart showing PORTER SCREEN COMPANYs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Maynard William H 9
#2 Mckenney Guy C 2
#3 Southworth Henry E 1
#4 Peters Oscar A 1

Latest patents

Publication Filing date Title
US2121174A Window screen
US2051997A Window ventilator
US2066118A Window ventilator
US2113310A Extensible window screen
US2014974A Window ventilator
US1989555A Collapsible ironing table
US2015454A Locking device
US1975857A Table
US1961241A Collapsible table
US1153140A Window-screen.
CA357066A Window ventilator
CA358406A Locking device