| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 5 | |
| #2 | EPO (European Patent Office) | 2 | |
| #3 | United States | 2 | |
| #4 | Argentina | 1 | |
| #5 | Austria | 1 | |
| #6 | Australia | 1 | |
| #7 | Canada | 1 | |
| #8 | German Democratic Republic | 1 | |
| #9 | Denmark | 1 | |
| #10 | Spain | 1 | |
| #11 | Finland | 1 | |
| #12 | Greece | 1 | |
| #13 | Japan | 1 | |
| #14 | Norway | 1 |
| # | Industry | |
|---|---|---|
| #1 | Furniture and games | |
| #2 | Machines | |
| #3 | Civil engineering | |
| #4 | Chemical engineering | |
| #5 | Packaging and shipping | |
| #6 | Environmental technology | |
| #7 | Transport | |
| #8 | Agriculture |
| # | Technology | |
|---|---|---|
| #1 | Domestic washing | |
| #2 | Unspecified technologies | |
| #3 | Street cleaning | |
| #4 | Separation | |
| #5 | Transport or storage devices | |
| #6 | Vehicle servicing | |
| #7 | Water treatment | |
| #8 | Harvesting |
| # | Name | Total Patents |
|---|---|---|
| #1 | Crema Erhard | 15 |
| #2 | Kloss Harald | 1 |
| #3 | Eruharuto Kurema | 1 |
| Publication | Filing date | Title |
|---|---|---|
| AU4563193A | Process and system for purifying waste water | |
| DE3141609A1 | Process and apparatus for the pneumatic conveyance of bulk materials | |
| DE3111284A1 | Cotton-harvesting appliance | |
| DE3032503A1 | Container for fluids containing harmful substances - has automatic base emptying when certain level reached | |
| DE2912460A1 | METHOD AND DEVICE FOR SEPARATING OIL FROM AN OIL-WATER MIXTURE | |
| DE2758038A1 | VARIABLE CLEANING SYSTEM WITH WATER DRIVE |