| # | Country | Total Patents | |
|---|---|---|---|
| #1 | German Democratic Republic | 4 | |
| #2 | United States | 4 | |
| #3 | Japan | 2 | |
| #4 | Canada | 1 | |
| #5 | Switzerland | 1 |
| # | Industry | |
|---|---|---|
| #1 | Packaging and shipping | |
| #2 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Transport or storage devices | |
| #2 | Soldering, welding and flame cutting |
| # | Name | Total Patents |
|---|---|---|
| #1 | Stumpf Karl | 9 |
| #2 | Witt Horst | 3 |
| #3 | Pohley Holger | 2 |
| #4 | Kaaru Shiyutsumupufu | 2 |
| #5 | Wider Hans-Wilhelm | 1 |
| #6 | Goller Konrad | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DD201361A1 | Contactless measurement switch | |
| DD151589A3 | Voltage control device for battery-powered consumers | |
| DD138444A1 | Kraengungswinkelmesswertgeber | |
| DD137870A1 | Circuit for thyristor arrangements in pulse plugges | |
| US3944055A | End member for driven rollers of roller conveyors |