| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 12 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Electrical machinery and energy | |
| #3 | Machine tools | |
| #4 | Machines | |
| #5 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Pumps | |
| #2 | Soldering, welding and flame cutting | |
| #3 | Electric motor controls | |
| #4 | Dynamo-electric machines | |
| #5 | Unspecified technologies | |
| #6 | Vehicle servicing | |
| #7 | Controlling combustion engines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hobart Edward A | 12 |
| Publication | Filing date | Title |
|---|---|---|
| US2396176A | Idling mechanism for welding apparatus | |
| US2328452A | Speed regulator for engines | |
| US2244063A | Tractor welder | |
| US2197888A | Welder | |
| US1970854A | Means and method of control of electric welding circuits | |
| US1959674A | Control mechanism for gas driven welders | |
| US1994609A | Electric welding apparatus | |
| US1907110A | Car washing pump | |
| US1842173A | Tank for air compressors | |
| US1786242A | Compressor | |
| US1813998A | Pump | |
| US1771889A | Compressor |