Learn more

RESISTANCE WELDER CORP

Overview
  • Total Patents
    23
About

RESISTANCE WELDER CORP has a total of 23 patent applications. Its first patent ever was published in 1945. It filed its patents most often in United States, Canada and Australia. Its main competitors in its focus markets machine tools, electrical machinery and energy and machines are EVANS PIPELINE EQUIP CO, LIUZHOU ZHENYE WELDING ELECTROMECHANICAL EQUIPMENT MFG CO LTD and KSM PRODUCTS INC.

Patent filings in countries

World map showing RESISTANCE WELDER CORPs patent filings in countries
# Country Total Patents
#1 United States 12
#2 Canada 8
#3 Australia 1
#4 Germany 1
#5 United Kingdom 1

Patent filings per year

Chart showing RESISTANCE WELDER CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Blair Robert H 9
#2 Koehler Ralph H 4
#3 Janiske Donald J 4
#4 Guenther Clifford H 3
#5 Nichols Leonard E 2
#6 Beauvais Rene G 2
#7 Lee Sanford L 2
#8 Wight Robert O 1
#9 Guenther C 1
#10 Blair R 1

Latest patents

Publication Filing date Title
US4152576A Low voltage welding circuit with non-conductive ground connector
US4099044A Welding apparatus
US4079223A Electrode system for spot welding aluminum and other difficult-to-weld materials
US4132880A Seam welding method and apparatus
US3823300A Seam welding method
CA932637A Sheet feeding apparatus and methods for roll forming mills
US3473643A Dual shuttle driving arrangement for manufacturing refrigerator cabinets or the like
US3533619A Sheet feeding means for roll forming mill
US3460225A Method of forming a wire condenser mat welder
US3271557A Over and under tig arc welding machines
US3238566A Apparatus for sealing in plastic forming machines
US2856513A Welding guns
US2426280A Welding machine
CA457117A Welding machine
CA835176A Dual shuttle driving arrangement for advancing refrigerator cabinets or the like
CA588258A Welding guns
CA710593A Apparatus for sealing in plastic forming machines