| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Austria | 4 | |
| #2 | Switzerland | 3 | |
| #3 | France | 2 | |
| #4 | Canada | 1 | |
| #5 | Germany | 1 | |
| #6 | Italy | 1 | |
| #7 | Sweden | 1 | |
| #8 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Street cleaning | |
| #2 | Motor vehicles | |
| #3 | Dredging | |
| #4 | Load transportation vehicles |
| # | Name | Total Patents |
|---|---|---|
| #1 | Manfred Buehler | 1 |
| #2 | Buhler M | 1 |
| #3 | Buehler M | 1 |
| #4 | Rer Pol Schleuniger Kurt Dr | 1 |
| #5 | Buehler Manfred | 1 |
| #6 | Buhler Manfred | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US3796505A | Drag roller |