| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 5 | |
| #2 | Canada | 4 | |
| #3 | Republic of Korea | 4 | |
| #4 | United States | 3 | |
| #5 | Switzerland | 2 | |
| #6 | EPO (European Patent Office) | 2 | |
| #7 | France | 2 | |
| #8 | Hong Kong | 2 | |
| #9 | India | 2 | |
| #10 | WIPO (World Intellectual Property Organization) | 2 | |
| #11 | Australia | 1 | |
| #12 | Brazil | 1 | |
| #13 | Singapore | 1 | |
| #14 | Ukraine | 1 |
| # | Name | Total Patents |
|---|---|---|
| #1 | Tetzlaff Karl-Heinz | 20 |
| #2 | Tetzlaff Karl Heinz | 6 |
| #3 | Karl-Heinz Tetzlaff | 1 |
| #4 | Schmid Dieter | 1 |
| #5 | Tetzlaff Karl-Heinz Dipl Ing | 1 |
| #6 | Strecker Helmut | 1 |
| #7 | Russow Juergen | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE3533825A1 | METHOD AND DEVICE FOR RADIATION OF IRRADIATION MATERIAL BY MEANS OF IONIZING RADIATION | |
| DE3533826A1 | METHOD FOR RADIATION OF LARGE RADIATION UNITS BY MEANS OF IONIZING RADIATION | |
| DE3035806A1 | Radiation treatment appts. for e.g. leukaemia - has screen between source and rotary container for patient blocking side radiation | |
| CA1053808A | Gamma irradiation plant | |
| US4029967A | Device for the uniform irradiation of goods by means of electro-magnetic radiation | |
| DE2425533A1 | Gamma source esp. for medicinal sterilisation is unloaded - by temporarily flooding shielded irradiation chamber |