| # | Country | Total Patents | |
|---|---|---|---|
| #1 | EPO (European Patent Office) | 4 | |
| #2 | South Africa | 4 | |
| #3 | Brazil | 3 | |
| #4 | United States | 3 | |
| #5 | Switzerland | 2 | |
| #6 | Germany | 1 | |
| #7 | Japan | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Packaging and shipping | |
| #3 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Transport or storage devices | |
| #2 | Scaffolding | |
| #3 | Preparing clay | |
| #4 | Shafts |
| # | Name | Total Patents |
|---|---|---|
| #1 | Egger Hans Rudolf | 10 |
| #2 | Vogler Rudolf | 6 |
| #3 | Egger Hans R | 2 |
| #4 | Waelti Robert | 2 |
| #5 | Egger Hans-Ruedi | 2 |
| #6 | Walti Robert | 1 |
| #7 | Egger Rudolf | 1 |
| #8 | Egger Hansruedi | 1 |
| #9 | Egger H | 1 |
| #10 | Hansuuruedei Eegeru | 1 |
| Publication | Filing date | Title |
|---|---|---|
| EP0149485A2 | Method and apparatus for conveying powder or granular material | |
| EP0066755A1 | Guiding device for the hose of a concrete spraying installation | |
| CH650307A5 | Concrete spraying machine. | |
| CH632646A5 | Method and device for spraying concrete. |