| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 3 | |
| #2 | United Kingdom | 3 | |
| #3 | Netherlands | 3 | |
| #4 | Canada | 2 | |
| #5 | Germany | 2 | |
| #6 | Finland | 2 | |
| #7 | Norway | 2 | |
| #8 | Austria | 1 | |
| #9 | Australia | 1 | |
| #10 | Denmark | 1 | |
| #11 | France | 1 | |
| #12 | Italy | 1 | |
| #13 | New Zealand | 1 | |
| #14 | Sweden | 1 | |
| #15 | United States | 1 | |
| #16 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Mechanical elements | |
| #3 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Grinding or polishing devices | |
| #2 | Multi-purpose tools | |
| #3 | Safety devices | |
| #4 | Venting or aerating devices | |
| #5 | Grinding tools | |
| #6 | Unspecified technologies | |
| #7 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hundebol Keld Otting | 10 |
| #2 | Hundeboel Keld Otting | 6 |
| #3 | Hundebol Keld O | 2 |
| #4 | Hundebol K O | 2 |
| #5 | Hundeb L Keld O | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DK273987D0 | Baandpudsemaskine | |
| AU4705985A | Rotating grinding or polishing disc | |
| CH650187A5 | Method for producing a grinding or polishing disc and an after that produced tool. |