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NORTHWESTERN EXPANDED METAL CO

Overview
  • Total Patents
    15
About

NORTHWESTERN EXPANDED METAL CO has a total of 15 patent applications. Its first patent ever was published in 1921. It filed its patents most often in United States. Its main competitors in its focus markets machines, machine tools and civil engineering are AMPLIFORM PTY LTD, YOUNGSTOWN PRESSED STEEL COMPA and UNIVERSAL SAFETY TREAD COMPANY.

Patent filings in countries

World map showing NORTHWESTERN EXPANDED METAL COs patent filings in countries
# Country Total Patents
#1 United States 15

Patent filings per year

Chart showing NORTHWESTERN EXPANDED METAL COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Dean James H 11
#2 Baker George W 5
#3 Prange Henry W A 1
#4 Browne Edith D 1
#5 Joseph Jantusek 1
#6 Alfreds Torris H 1

Latest patents

Publication Filing date Title
US1635662A Manufacture of expanded metal
US1719648A Display folder
US1742155A Manufacture of expanded metal
US1608477A Ribbed metal lath
US1608476A Sheet-metal lath
US1608475A Sheet-metal corner bead
US1608474A Sheet-metal lath
US1664247A Method and apparatus for slitting metal sheets
US1535944A Metal basket
US1448109A Machine for making expanded metal
US1550679A Dipping and drying apparatus
US1474407A Friction lock nut
US1525601A Manufacture of ribbed expanded metal
US1443576A Metal basket
US1443555A Machine for making ribbed expanded metal