| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 6 | |
| #2 | Germany | 5 | |
| #3 | Belgium | 4 | |
| #4 | United Kingdom | 2 | |
| #5 | Austria | 1 | |
| #6 | Switzerland | 1 | |
| #7 | Denmark | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Materials and metallurgy | |
| #3 | Environmental technology | |
| #4 | Machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Vester Ulrich | 2 |
| #2 | Cohrs Adolf G B | 1 |
| #3 | Koch Werner | 1 |
| #4 | Selle Heinz-Wolf | 1 |
| #5 | Wittge Wolfgang | 1 |
| #6 | Heinz-Wolf Selle | 1 |
| #7 | Wolfgang Wittge | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB994061A | Improvements in and relating to plaster-boards | |
| DE1122686B | Light partition made of building boards | |
| DE1120671B | Construction board made of two spaced apart construction panels | |
| DE1095187B | Fire retardant building board | |
| DE1032511B | Light partition made of building boards | |
| DE1011606B | Process for the production of a floor with dry screed, which preferably floats on a layer of sand |