| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Austria | 2 | |
| #2 | Germany | 2 | |
| #3 | Finland | 2 | |
| #4 | Italy | 2 | |
| #5 | United States | 2 | |
| #6 | Argentina | 1 | |
| #7 | Brazil | 1 | |
| #8 | Canada | 1 | |
| #9 | Switzerland | 1 | |
| #10 | Denmark | 1 | |
| #11 | Spain | 1 | |
| #12 | France | 1 | |
| #13 | United Kingdom | 1 | |
| #14 | Japan | 1 | |
| #15 | Netherlands | 1 | |
| #16 | Norway | 1 | |
| #17 | Sweden | 1 | |
| #18 | USSR (Union of Socialist Soviet Republics) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy | |
| #2 | Environmental technology | |
| #3 | Civil engineering | |
| #4 | Machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Prymelski Franz | 15 |
| #2 | Verth Joachim Otto Zur | 2 |
| #3 | Prymelski F | 1 |
| #4 | Zur Verth J | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4150185A | Building materials in the form of woodstone panels or sheets and processes for their production | |
| DE2550857A1 | Magnesia-cement-bound chipboard prodn. - from wood particles, burnt magnesite, kieselguhr and magnesium chloride soln. | |
| DE2452378A1 | PANEL OR STRAND-SHAPED COMPONENT | |
| FI57096B | Background of the traffic framework |