| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 7 | |
| #2 | Germany | 2 | |
| #3 | Canada | 1 | |
| #4 | France | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Measurement | |
| #3 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Special electric heating or lighting | |
| #2 | Resistors | |
| #3 | Unspecified technologies | |
| #4 | Special measuring | |
| #5 | Electric discharge tubes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Boehm Helmut | 6 |
| #2 | Detweiler William I | 2 |
| #3 | Connally Billie M | 2 |
| #4 | Parnes Arthur | 1 |
| #5 | Arthur Parnes | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US3549849A | Microwave heating apparatus and energy distribution means therefor | |
| US3543082A | Magnetron | |
| US3491440A | Method of making precision wire-wound electrical resistors | |
| FR1545143A | Microwave heater | |
| US3523170A | Control system for microwave heater apparatus | |
| US3427548A | Resistor winding structure | |
| US3440386A | Microwave heating apparatus | |
| US3312892A | Contactless electrical transducer having moving parts | |
| CA814038A | Contactless electrical transducer having moving parts |