Special Inventories
| German patents and utility model documents (Including East Germany and German Empire) |
from 1900 |
| EP and WO patents | from 1978 |
| EP-patents | from 1978 |
| U.S. patents | from 1976 |
| SU and Russian patent documents | from 1985 |
| USA | 1911 to 1954 (incomplete) and 1965 to 07/1993 |
| Japan* | from 1977 |
* For Japanese patent documents from 1994 - the machine translation in English is available.