| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 3 | |
| #2 | Denmark | 3 | |
| #3 | France | 3 | |
| #4 | Austria | 1 | |
| #5 | Canada | 1 | |
| #6 | Switzerland | 1 | |
| #7 | Italy | 1 | |
| #8 | Romania | 1 | |
| #9 | Yugoslavia (Serbia and Montenegro) | 1 |
| # | Technology | |
|---|---|---|
| #1 | Pipes | |
| #2 | Macromolecular compounds compositions | |
| #3 | Compounding ingredients | |
| #4 | Cables and insulators | |
| #5 | Coating compositions | |
| #6 | Building materials |
| # | Name | Total Patents |
|---|---|---|
| #1 | Pfeifer Joachim | 5 |
| #2 | Gabler Gerhard | 3 |
| #3 | Gericke Werner | 3 |
| #4 | Pfeifer J | 3 |
| #5 | Gabler G | 2 |
| #6 | Gericke W | 2 |
| #7 | Pleifer | 1 |
| #8 | Pfeiffer J | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE3333508A1 | Prefabricated insulating body | |
| ATA610375A | Use of a 75 to 95% by weight blown bitumen and 25 to 5% by weight of rubber or. rubber containing rubber as insulating and inserting measurement for pipelines to be layed under ground | |
| RO71224A | Process and device for preparing embedding mass for underground laying of pipelines in particular of heating tubes |