| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 5 | |
| #2 | EPO (European Patent Office) | 3 | |
| #3 | Austria | 1 | |
| #4 | Canada | 1 | |
| #5 | Switzerland | 1 | |
| #6 | France | 1 | |
| #7 | Netherlands | 1 | |
| #8 | Sweden | 1 | |
| #9 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Environmental technology | |
| #3 | Thermal processes | |
| #4 | Transport | |
| #5 | Packaging and shipping |
| # | Name | Total Patents |
|---|---|---|
| #1 | Groll Hartmut | 10 |
| #2 | Denk Herbert | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE3624987A1 | HEATING SYSTEM | |
| DE3529358A1 | Apparatus for processing tiles or the like | |
| EP0111763A1 | Tile, modular tile | |
| DE3242942A1 | TILE | |
| EP0050685A1 | Catamaran | |
| DE2914734A1 | Sailing catamaran with flexibly linked hulls - has flexible plug-in stirrups between cylindrical, horizontally-finned hulls | |
| DE2452456A1 | BUILDINGS FOR SPORTY OR HEALTH PURPOSES |