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.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 9 | |
#2 | Canada | 2 | |
#3 | France | 1 | |
#4 | United Kingdom | 1 |
# | Industry | |
---|---|---|
#1 | Machine tools | |
#2 | Materials and metallurgy | |
#3 | Packaging and shipping | |
#4 | Machines | |
#5 | Mechanical elements | |
#6 | Transport | |
#7 | Civil engineering |
# | 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 |
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 |