| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Electric switches | |
| #2 | Domestic stoves | |
| #3 | Special electric heating or lighting | |
| #4 | Distribution of electric power |
| # | Name | Total Patents |
|---|---|---|
| #1 | Mellewigt W | 5 |
| #2 | Mellewigt Wilhelm Dipl Ing | 4 |
| #3 | Wilhelm Mellewigt Dipl-Ing | 2 |
| #4 | Joachim Haschkamp Dipl-Ing | 1 |
| #5 | Imer Klaus | 1 |
| #6 | Wilhelm Mellewigt | 1 |
| #7 | Mellewigt Dipl-Ing Wilh | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE2213718A1 | SWITCHING DEVICE | |
| DE2155139A1 | ROTARY CAM SWITCHES | |
| DE2155138A1 | ROTARY SWITCH WITH SIGNAL LAMP | |
| DE2136276A1 | SEVEN-STROKE COOKING PLATE SWITCH WITH A SIGNAL LIGHT LAMP | |
| DE1810197A1 | Screwless fastening device for device switch | |
| DE1465415A1 | Rocker switch with signal lamp |