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THOMSON ELECTRIC WELDING COMPA

Overview
  • Total Patents
    25
About

THOMSON ELECTRIC WELDING COMPA has a total of 25 patent applications. Its first patent ever was published in 1918. It filed its patents most often in United States. Its main competitors in its focus markets machine tools, machines and electrical machinery and energy are BERNARD ARTHUR A, ALLOY WELDING PROCESSES LTD and HEXACON ELECTRIC COMPANY.

Patent filings in countries

World map showing THOMSON ELECTRIC WELDING COMPAs patent filings in countries
# Country Total Patents
#1 United States 25

Patent filings per year

Chart showing THOMSON ELECTRIC WELDING COMPAs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Gravell James H 5
#2 Wolcott Remington 4
#3 Elihu Thomson 3
#4 Addison Woofter Herbert 3
#5 Sander Jacob C 2
#6 Thornton George A 2
#7 Martin Hall Preston 1
#8 Speed Francis H 1
#9 Kjus Enger Thorbjorn 1
#10 Schkommodau Gustave H 1

Latest patents

Publication Filing date Title
US2063407A Electric heating device
US1744284A Welding and forging by electric-resistance method
US1714962A Means for regulating secondary current and voltage in transformers
US1715017A Electric welding apparatus
US1736617A Mechanically-operated butt welder
US1576169A Method of electric welding
US1578658A Method of removing the burr formed in welding
US1503827A Process of welding cast iron to steel
US1470160A Chain-link welding
US1452942A Chain-link welding
US1490647A Process of making endless metal forms
US1462572A Condensing welding circuit
US1363356A Method of butt-welding tubing
US1382906A Self-heating rivet and method of riveting with same
US1363355A Method of uniting cable ends
US1358428A Electric metal-working apparatus
US1355206A Manufacture of articles of rubber
US1498222A Method of heating vulcanizers
US1382905A Cooling means for electric metal-working transformers
US1344961A Electric metal-working apparatus