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PENN METAL COMPANY

Overview
  • Total Patents
    21
About

PENN METAL COMPANY has a total of 21 patent applications. Its first patent ever was published in 1912. It filed its patents most often in United States, Canada and Germany. Its main competitors in its focus markets machine tools, machines and civil engineering are KALMAN STEEL COMPANY INC, CLARK NORRIS ELMORE and IND ORIGAMI LLC.

Patent filings in countries

World map showing PENN METAL COMPANYs patent filings in countries
# Country Total Patents
#1 United States 15
#2 Canada 2
#3 Germany 2
#4 Belgium 1
#5 France 1

Patent filings per year

Chart showing PENN METAL COMPANYs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Baker Herbert K 7
#2 Spinosa Arthur V 2
#3 Stovall Wilbur C Jr 2
#4 Dolan James P 2
#5 Redding Edward T 2
#6 Birkholz Richard G 1
#7 English Analdo M 1
#8 Barnett Levy 1
#9 Cummings Henry H 1
#10 Clevenger Clifton L 1

Latest patents

Publication Filing date Title
US2098261A Plaster base
US2011661A Manufacture of brake shoe inserts
US1972179A Apparatus for expanding metal laths
US1912681A Apparatus for manufacture of expanded metal
US1889969A Apparatus for slitting and forming metal sheets
US1918316A Method of expanding metal lath
US1771167A Culvert joint
US1856686A Metal lath expander
US1890141A Expanded metal lathing
US1723281A Knockdown door frame
US1676517A Expanded-metal machine
US1826286A Expanded metal lath machine
US1762322A Metal lath
US1110047A Culvert.
US1070327A Machine for attaching wires to metallic studs.
CA756797A Retaining clip for construction panels with tear strips
CA668230A Joined sheet metal structures