| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 2 | |
| #2 | France | 2 | |
| #3 | Japan | 2 | |
| #4 | United States | 2 | |
| #5 | Austria | 1 | |
| #6 | Belgium | 1 | |
| #7 | Switzerland | 1 | |
| #8 | Germany | 1 | |
| #9 | Denmark | 1 | |
| #10 | EPO (European Patent Office) | 1 | |
| #11 | Spain | 1 | |
| #12 | Finland | 1 | |
| #13 | United Kingdom | 1 | |
| #14 | Italy | 1 | |
| #15 | Netherlands | 1 | |
| #16 | Norway | 1 | |
| #17 | Sweden | 1 | |
| #18 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Medical technology | |
| #2 | Machines | |
| #3 | Machine tools | |
| #4 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Diagnosis and surgery | |
| #3 | Gearing | |
| #4 | Accessories for machine tools |
| # | Name | Total Patents |
|---|---|---|
| #1 | Leuenberger Roland | 9 |
| #2 | Leuenberger R | 2 |
| #3 | Rooranto Roienberugeru | 1 |
| #4 | Rorando Roienberugeru | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4355931A | Tapping drill | |
| US4111208A | Process for drilling holes in hard materials, in surgical procedures, and apparatus for carrying out the process |