| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 5 | |
| #2 | United Kingdom | 3 | |
| #3 | Canada | 2 | |
| #4 | Germany | 2 | |
| #5 | France | 2 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Machines | |
| #3 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Soldering, welding and flame cutting | |
| #2 | Punching metal | |
| #3 | Unspecified technologies | |
| #4 | Lubricating |
| # | Name | Total Patents |
|---|---|---|
| #1 | Day Harry E | 6 |
| #2 | Carswell James R | 2 |
| #3 | Day Harry Edward | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB959653A | Improvements in or relating to electrode holders | |
| DE1269264B | Electrode holder for cylindrical spot welding electrodes | |
| US3004138A | Welding method and construction | |
| DE1269583B | Device for folding a raised plate edge over a second plate edge | |
| GB827099A | Clinching device | |
| GB836492A | Hydraulic electric resistance welding head | |
| US2966194A | Die section swing out mechanism | |
| US2959205A | Door clinching device | |
| US2938996A | Dual piston welding gun | |
| US2758674A | Piston rod oiling system | |
| CA632146A | Dual piston welding gun | |
| CA613733A | Door clinching device |