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SOUTHWARK FOUNDRY & MACHINE CO

Overview
  • Total Patents
    47
About

SOUTHWARK FOUNDRY & MACHINE CO has a total of 47 patent applications. Its first patent ever was published in 1903. It filed its patents most often in United States and United Kingdom. Its main competitors in its focus markets machine tools, machines and mechanical elements are CHARLES F ELMES ENGINEERING WO, MEYERLE GEORGE M and CINCINNATI SHAPER CO.

Patent filings in countries

World map showing SOUTHWARK FOUNDRY & MACHINE COs patent filings in countries
# Country Total Patents
#1 United States 26
#2 United Kingdom 21

Patent filings per year

Chart showing SOUTHWARK FOUNDRY & MACHINE COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Dinzl Richard W 9
#2 George Schranz Frederick 6
#3 Smith Frank H 3
#4 Ruch Herman J 2
#5 Platt Thomas M 1
#6 Harman William H 1
#7 Hutchinson Morton C 1
#8 Stringfellow Henry A 1
#9 Hellmer Ralph E 1
#10 Vauclain Andrew C 1

Latest patents

Publication Filing date Title
US1905317A Cable shearing mechanism
US1920973A Valve-operating mechanism
US1884612A Steam platen
US1790114A Steam platen
US1872355A Plate bending machine
US1917241A Press mechanism
US1842209A Steam platen
US1818387A Steam platen
US1884611A Riveting mechanism
US1851138A Hydraulic press
US1707212A Elevating mechanism
US1646447A Rubber-cutting machine
US1733784A Valve structure
US1639440A Steam platem
US1594120A Steam platen
US1594121A Steam platen and method of making same
US1574175A Steam platen
US1585212A Bending press
US1549464A Steam platen
US1468924A Clothes wringer