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JOHN A ROEBLING S SONS CORP

Overview
  • Total Patents
    13
About

JOHN A ROEBLING S SONS CORP has a total of 13 patent applications. Its first patent ever was published in 1950. It filed its patents most often in United States, Canada and France. Its main competitors in its focus markets machine tools, materials and metallurgy and packaging and shipping are AMERICAN ROLLING MILL CO, J & L SPECIALTY STEEL INC and UNITED ENG FOUNDRY CO.

Patent filings in countries

World map showing JOHN A ROEBLING S SONS CORPs patent filings in countries
# Country Total Patents
#1 United States 9
#2 Canada 2
#3 France 1
#4 United Kingdom 1

Patent filings per year

Chart showing JOHN A ROEBLING S SONS CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Leroy Nixon 3
#2 Dartrey Lewis 3
#3 Corson John H 2
#4 Goetz George A 2
#5 Lewis Dartrey 1
#6 Stirn Howard F 1
#7 Sher Arnold 1
#8 Amstock Joseph S 1
#9 Lovelett William C 1
#10 Homa Stephen W 1

Latest patents

Publication Filing date Title
US2886193A Handling equipment for spoolless cores
US2868467A Machine for paying off and taking up wire on large reels
US2834302A Self-propelling aerial tramway car
US2833118A Spud driving rig
US2765753A Attachment for conveyor system line
US2689389A Socket for wire strands and the like
US2683207A Stranded welding rod
US2715959A Multiblock wire-drawing apparatus and method
US2756169A Method of heat treating hot rolled steel rods
CA564468A Method and apparatus for heat treating rods
CA592270A Electric cable clamp