| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Hungary | 12 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Locks | |
| #2 | Gearing | |
| #3 | Bolts for doors or windows |
| # | Name | Total Patents |
|---|---|---|
| #1 | Feherdi Janos | 12 |
| Publication | Filing date | Title |
|---|---|---|
| HU9601453D0 | Unifyed mechanism for locks | |
| HU9503827D0 | Safety device for clothing articles | |
| HU9502365D0 | Bolt arrangement | |
| HU9502338D0 | Lock installation | |
| HU9502223D0 | Arrangement for locks | |
| HU9500831D0 | Actuating mechanism | |
| HU9500766D0 | Working mechanism for iron fittings | |
| HU9403580D0 | Portal lock | |
| HU9403175D0 | Bolt to safety locks | |
| HU9403105D0 | Structural arrangement for safety locks | |
| HU9402990D0 | Lock | |
| HU913091D0 | Multi-pointed lock |