| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Austria | 5 | |
| #2 | EPO (European Patent Office) | 5 | |
| #3 | Hungary | 3 | |
| #4 | Czechia | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Control |
| # | Technology | |
|---|---|---|
| #1 | Locks | |
| #2 | Registering devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Luef Heinz | 10 |
| #2 | Helmreich Josef | 2 |
| #3 | Katschinka Werner Dipl Ing | 2 |
| #4 | Katschinka Werner | 2 |
| #5 | Gantner Wilhelm | 1 |
| #6 | Katschinka Werner Dipl-Ing | 1 |
| #7 | Katschinka Werner Ing | 1 |
| Publication | Filing date | Title |
|---|---|---|
| ATA139793A | Flat key and or or locking cylinder | |
| HU9302006D0 | Closing cylinder and key to that | |
| ATA133593A | Flat key and or or locking cylinder | |
| ATA70893A | Lock with lock cylinder and lockable latch | |
| ATA231392A | Key and or or castle | |
| ATA85092A | Locking cylinder or flat key for a locking cylinder |