| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 7 | |
| #2 | German Democratic Republic | 2 | |
| #3 | Canada | 1 | |
| #4 | Switzerland | 1 | |
| #5 | France | 1 |
| # | Industry | |
|---|---|---|
| #1 | Basic communication technologies | |
| #2 | Measurement | |
| #3 | Electrical machinery and energy | |
| #4 | Chemical engineering | |
| #5 | Transport | |
| #6 | Furniture and games | |
| #7 | Civil engineering | |
| #8 | Agriculture |
| # | Technology | |
|---|---|---|
| #1 | Code conversion | |
| #2 | Installations for obtaining water | |
| #3 | Animal care | |
| #4 | Separation | |
| #5 | Weighing | |
| #6 | Analysing materials | |
| #7 | Dynamo-electric machines | |
| #8 | Load transportation vehicles | |
| #9 | Toys |
| # | Name | Total Patents |
|---|---|---|
| #1 | Arnold Kurt | 10 |
| #2 | Dietz Werner | 2 |
| #3 | Wolf Lothar | 1 |
| #4 | Knittel Bernd | 1 |
| #5 | Kurt Arnold | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE3329025A1 | Method and apparatus for determining the moisture content of cereal and other granular materials | |
| DE3228205A1 | Filtration device for small water vessels and associated component set and filter module | |
| DD145398A1 | Process for preparing wafer acrylamide solutions | |
| DD145401A1 | Method for producing polymerlatices and polymer solutions | |
| DE2457965A1 | Safety circuit for multiple train model railway - relay cuts off current to track section behind train | |
| CA945258A | Analog-digital converter |