| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 5 | |
| #2 | Italy | 4 | |
| #3 | United States | 4 | |
| #4 | Spain | 3 | |
| #5 | France | 2 | |
| #6 | United Kingdom | 2 | |
| #7 | EPO (European Patent Office) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Control | |
| #2 | Basic communication technologies | |
| #3 | Machines | |
| #4 | Electrical machinery and energy | |
| #5 | Measurement |
| # | Name | Total Patents |
|---|---|---|
| #1 | Melbert Joachim G | 6 |
| #2 | Lingstaedt Ernst Ludwig | 4 |
| #3 | Melbert Dr Joachim G | 2 |
| #4 | Melbert Joachim G Dr | 2 |
| #5 | Sax Herbert | 2 |
| #6 | Lingstaedt Ernst L | 1 |
| #7 | Malbert Joachim G | 1 |
| Publication | Filing date | Title |
|---|---|---|
| ES8706981A3 | Improvements in series voltage regulators | |
| DE3341344A1 | VOLTAGE REGULATOR | |
| DE3341345A1 | VOLTAGE REGULATOR | |
| DE3304814A1 | Differential amplifier | |
| DE3246291A1 | PLL CIRCUIT ARRANGEMENT | |
| DE3210134A1 | METHOD FOR OBTAINING A SPEED-PROPORTIONAL SIZE FROM A DC MOTOR |