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SUMNER IRON WORKS

Overview
  • Total Patents
    23
About

SUMNER IRON WORKS has a total of 23 patent applications. Its first patent ever was published in 1906. It filed its patents most often in United States and Canada. Its main competitors in its focus markets machine tools, machines and transport are GJERDE ARNE, LINCK MASCHF GEB and INDUSTRIAL WOODWORKING MACH.

Patent filings in countries

World map showing SUMNER IRON WORKSs patent filings in countries
# Country Total Patents
#1 United States 15
#2 Canada 8

Patent filings per year

Chart showing SUMNER IRON WORKSs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Briggs William C 4
#2 Fish Marion F 4
#3 Dorman George W 3
#4 Lueth Paul F 3
#5 Boyer August 2
#6 Skeith Isaac L 2
#7 Willett Charles W 2
#8 Fredrick Lueth Paul 2
#9 Small Adelbert E 2
#10 Ringman Henry W 1

Latest patents

Publication Filing date Title
US2838248A Rechipper
US2756788A Feeding mechanism for rechippers
US2765198A Hydraulic barker
US1640718A Lumber carrier
US1650613A Saw shifter
US1632708A Sawmill carriage
US1479995A Hand guard for shingle machines
US1436623A Independent direct-acting skid lift
US1505005A Power setworks for sawmill carriages
CA158955A Edger guide
US1107751A Edger-guide.
US991730A Edger-guide.
US1267130A Power lifting mechanism for saw-trimmers.
CA112561A Shingle machine
US868956A Gang lath-bolter.
US865142A Lath-mill.
US885327A Shingle-machine.
CA252204A Saw mill carriage
CA537570A Hydraulic barker
CA551750A Feeding mechanism for rechippers