| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 4 | |
| #2 | Canada | 3 | |
| #3 | Brazil | 2 | |
| #4 | EPO (European Patent Office) | 2 | |
| #5 | Spain | 2 | |
| #6 | Japan | 2 | |
| #7 | United States | 2 | |
| #8 | South Africa | 2 | |
| #9 | Australia | 1 | |
| #10 | China | 1 | |
| #11 | Czechoslovakia | 1 | |
| #12 | German Democratic Republic | 1 | |
| #13 | Denmark | 1 | |
| #14 | France | 1 | |
| #15 | United Kingdom | 1 | |
| #16 | Hungary | 1 | |
| #17 | India | 1 | |
| #18 | Italy | 1 | |
| #19 | Republic of Korea | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Electrical machinery and energy | |
| #3 | Materials and metallurgy | |
| #4 | Chemical engineering | |
| #5 | Environmental technology |
| # | Technology | |
|---|---|---|
| #1 | Milling | |
| #2 | Unspecified technologies | |
| #3 | Special electric heating or lighting | |
| #4 | Mixing | |
| #5 | Building materials | |
| #6 | Foundry moulding | |
| #7 | Solid waste disposal | |
| #8 | Climate change mitigation in wastewater treatment |
| # | Name | Total Patents |
|---|---|---|
| #1 | Eirich Walter | 9 |
| #2 | Duerr Herbert | 8 |
| #3 | Eirich Paul | 7 |
| #4 | Eirich Hubert | 7 |
| #5 | Durr Herbert | 4 |
| #6 | Herbert Duerr | 3 |
| #7 | Goldschmidt Erwin | 3 |
| #8 | Heruberuto Deyuru | 1 |
| #9 | Barutaa Airitsuhi | 1 |
| #10 | Duerr Herbert Dipl Ing | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE4028078A1 | METHOD FOR IMPREGNATING SOLIDS WITH LIQUID BINDING AGENTS AND THE USE THEREOF | |
| DE3838981A1 | AGITATOR BALL MILL | |
| DE3835140A1 | METHOD FOR PRODUCING LEAK-OUT AGGLOMERATES | |
| DE3302110C1 | Device for opening and closing the outlet opening in a processing machine |