| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 7 | |
| #2 | Egypt | 1 | |
| #3 | Spain | 1 | |
| #4 | United Kingdom | 1 | |
| #5 | Italy | 1 |
| # | Industry | |
|---|---|---|
| #1 | Environmental technology | |
| #2 | Transport | |
| #3 | Electrical machinery and energy | |
| #4 | Medical technology | |
| #5 | Civil engineering |
| # | Name | Total Patents |
|---|---|---|
| #1 | Heid Gerhard Dipl Ing | 7 |
| #2 | Wulff Heinz | 1 |
| #3 | Heid Gerhard | 1 |
| #4 | Wulf Heinz | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE4308797A1 | Floating body of variable height | |
| DE3618851A1 | Floatable building | |
| DE3128112A1 | Small electric vehicle | |
| DE3037378A1 | Automobile with both combustion engine and electric drive - is associated with respective drive axles used selectively for different traffic conditions | |
| DE2819901A1 | Corrugated exterior cladding and solar energy collector - has transparent faced collector strip zone adjoined by radiation reflecting zone | |
| DE2629787A1 | Multi storey floating hotel - has ring shaped superstructure supported on pontoon with lifts, stairs and ventilation shafts |