| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 6 | |
| #2 | France | 3 | |
| #3 | United States | 3 | |
| #4 | Canada | 2 | |
| #5 | Switzerland | 2 | |
| #6 | Czechoslovakia | 2 | |
| #7 | German Democratic Republic | 2 | |
| #8 | Austria | 1 | |
| #9 | Australia | 1 | |
| #10 | Spain | 1 | |
| #11 | Sweden | 1 |
| # | Industry | |
|---|---|---|
| #1 | Packaging and shipping | |
| #2 | Thermal processes | |
| #3 | Mechanical elements | |
| #4 | Transport |
| # | Name | Total Patents |
|---|---|---|
| #1 | Langen Peter | 16 |
| #2 | Peter Langen | 1 |
| #3 | Schildt Juergen | 1 |
| #4 | Brachwitz Hans | 1 |
| #5 | Waschke Silvia | 1 |
| #6 | Guenther Wolfgang | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DD153116A1 | Process for increasing interferon production in cell cultures | |
| DE2827602A1 | CONVEYOR TUBE FOR A SCHUETTGUTANLAN | |
| DE2506005A1 | DISCHARGE DEVICE FOR A SCHUETTGUTBUNKER | |
| CS184756B2 | Equipment for boiler charging with fine or rough lump coal |