| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 5 | |
| #2 | Austria | 4 | |
| #3 | Norway | 3 | |
| #4 | Switzerland | 2 | |
| #5 | Denmark | 2 | |
| #6 | France | 2 | |
| #7 | Netherlands | 2 | |
| #8 | Sweden | 2 | |
| #9 | Greece | 1 | |
| #10 | Israel | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Civil engineering | |
| #3 | Consumer goods | |
| #4 | Surface technology and coating | |
| #5 | Machine tools | |
| #6 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Shaping of plastics | |
| #2 | Roof coverings | |
| #3 | Certain plastics | |
| #4 | Special designs | |
| #5 | Layered products | |
| #6 | Cutting | |
| #7 | Toys |
| # | Name | Total Patents |
|---|---|---|
| #1 | Prignitz Herbert | 10 |
| #2 | Prignitz H | 3 |
| #3 | Herbert Prignitz | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE2519226A1 | Reliable web of heat insulating hard foam material with backing - is formed by directly foaming sections onto moisture resisting backing | |
| DE2408319A1 | Wasteless cutting of foamed plastics laminated roofing felt - cut section supported on convex surface to prevent rotary cutter jamming | |
| DE1629454A1 | Method and device for producing a building board as a strand of foam | |
| DE1609325A1 | Building board | |
| DE1629460A1 | Method and device for the production of building panels from foam |