| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 7 | |
| #2 | United Kingdom | 5 | |
| #3 | United States | 5 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Civil engineering | |
| #3 | Machines | |
| #4 | Furniture and games | |
| #5 | Textiles and paper | |
| #6 | Consumer goods | |
| #7 | Weapons |
| # | Technology | |
|---|---|---|
| #1 | Structural elements | |
| #2 | Soldering, welding and flame cutting | |
| #3 | Punching metal | |
| #4 | Unspecified technologies | |
| #5 | Toys | |
| #6 | Physical training equipment | |
| #7 | Copy machines | |
| #8 | Books | |
| #9 | Armour | |
| #10 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Litzka Franz | 6 |
| #2 | Franz Litzka | 5 |
| #3 | Kitzka Franz | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US3283464A | Honeycomb girders and method for making same | |
| GB986439A | Constructional part for models or toy building sets | |
| US3190628A | Cutting apparatus for an i-beam | |
| GB895670A | Apparatus for the flame cutting of solid walled girder webs | |
| US3066394A | Apparatus for the manufacture of deeply-webbed girders | |
| GB882175A | Method and apparatus for the manufacture of deeply-webbed girders | |
| GB855180A | Apparatus for flame cutting girders |