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SOUTHWARK FOUNDRY & MACHINE COMPANY

Overview
  • Total Patents
    33
About

SOUTHWARK FOUNDRY & MACHINE COMPANY has a total of 33 patent applications. Its first patent ever was published in 1897. It filed its patents most often in United States. Its main competitors in its focus markets engines, pumps and turbines, machines and mechanical elements are SOUTHWARK FOUNDRY AND MACHINE COMPANY, LUFKIN FOUNDRY & MACHINE COMPA and CHARLES WAINWRIGHT.

Patent filings in countries

World map showing SOUTHWARK FOUNDRY & MACHINE COMPANYs patent filings in countries
# Country Total Patents
#1 United States 33

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Petsche Gustav Bernhard 21
#2 Petsche Gustav B 11
#3 Lindroth Carl O 1

Latest patents

Publication Filing date Title
US972402A Reversing mechanism for steam-engines.
US833973A Throttle-valve.
US833937A Reversing mechanism for compound engines.
US967551A Water-cooled piston for gas-engines.
US870125A Admission-valve for gas-engines.
US909214A Admission-valve for gas-engines.
US905224A Admission-valve and valve-actuating mechanism for gas-engines.
US991454A Starting mechanism for gas-engines.
US896318A Gas-engine.
US822387A Engine construction.
US850248A Pump.
US894047A Gas-actuated blowing-engine or compressor.
US791109A Automatic shifting device.
US780911A Blowing-engine or compressor.
US926762A Adjustable bearing for valves.
US780061A Pump.
US780060A Pump.
US780059A Pump.
US894852A Blowing-engine or compressor.
US850178A Pump.