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LUNKEN STEEL WINDOW CO

Overview
  • Total Patents
    17
About

LUNKEN STEEL WINDOW CO has a total of 17 patent applications. Its first patent ever was published in 1906. It filed its patents most often in United States. Its main competitors in its focus markets civil engineering, machines and transport are SEASON ALL IND INC, FAIR GEORGE A and BRASCO MFG COMPANY.

Patent filings in countries

World map showing LUNKEN STEEL WINDOW COs patent filings in countries
# Country Total Patents
#1 United States 17

Patent filings per year

Chart showing LUNKEN STEEL WINDOW COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Conklin Charles M 14
#2 Lunken Edmund H 13
#3 Ritter Henry 1
#4 Schmidt William 1

Latest patents

Publication Filing date Title
US966364A Fireproof window construction.
US942967A Shade-supporting device.
US913470A Sash-weight.
US902980A Window construction.
US903058A Fireproof window construction.
US902978A Self-closing window.
US871131A Fireproof window construction.
US871130A Fireproof window construction, (laterally-inserted glass.)
US871229A Fireproof window construction.
US871206A Locking mechanism for swinging windows.
US871129A Fireproof window construction.
US885725A Window-screen and the process of making the same.
US871128A Sash-lock.
US871228A Metallic window construction.
US871127A Metallic window construction.
US885726A Window-screen.
US871715A Metallic window construction.