| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 7 | |
| #2 | Canada | 2 | |
| #3 | EPO (European Patent Office) | 1 | |
| #4 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Machine tools | |
| #3 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Magnets and transformers | |
| #2 | Unspecified technologies | |
| #3 | Soldering, welding and flame cutting |
| # | Name | Total Patents |
|---|---|---|
| #1 | Schwartz Charles A | 11 |
| Publication | Filing date | Title |
|---|---|---|
| US4488135A | Transformer for welding gun | |
| US4485289A | Welding system | |
| US4210994A | Method of manufacturing a cooled lifting magnet with damped eddy currents | |
| US4233488A | Deep throat resistance welder | |
| US4103266A | Cooled lifting magnet with damped eddy currents and method for its fabrication | |
| US3296409A | Resistance welding apparatus | |
| US2556602A | Electrical coil structure for transformers | |
| CA497849A | Bed clothing support |