| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 7 | |
| #2 | Austria | 1 | |
| #3 | Belgium | 1 | |
| #4 | Canada | 1 | |
| #5 | Switzerland | 1 | |
| #6 | Finland | 1 | |
| #7 | France | 1 | |
| #8 | Norway | 1 | |
| #9 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machine tools | |
| #3 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Finishing work on buildings | |
| #2 | Wood working | |
| #3 | Unspecified technologies | |
| #4 | Grinding or polishing devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hettich Karl | 11 |
| Publication | Filing date | Title |
|---|---|---|
| DE3523903A1 | Floor-polishing machine | |
| DE3439631A1 | Floor sander | |
| DE3049333A1 | Wooden wall cladding panel - comprises mosaic parquet unit with all round chamfer cut in cube edges | |
| FI802770A | Faerdigparkettelement | |
| DE2634806A1 | Parquet flooring unit assembled from panel and bars - has thin bars and grooves passing only through panel and glue | |
| US3908053A | Finished parquet element |