| # | Industry | |
|---|---|---|
| #1 | Consumer goods | |
| #2 | Mechanical elements | |
| #3 | Environmental technology | |
| #4 | Machine tools | |
| #5 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Writing or drawing tools | |
| #2 | Springs | |
| #3 | Hydraulic engineering | |
| #4 | Soldering, welding and flame cutting | |
| #5 | Climate change adaptation technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kovacs Theodor | 19 |
| #2 | Theodor Kovacs | 7 |
| Publication | Filing date | Title |
|---|---|---|
| ES104223A1 | Fountain pen with vacuum piston moved by threaded mechanisms. | |
| CA555157A | Fountain pen | |
| CA541726A | Fountain pen | |
| CA313913A | Fountain pen protector | |
| CA397025A | Magazine pencil | |
| CA305346A | Clip for securing articles to cloth | |
| CA296567A | Fountain pen | |
| CA637318A | Fountain pens | |
| CA621742A | Fountain pen with overflow chamber |