| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 3 | |
| #2 | Austria | 2 | |
| #3 | Switzerland | 2 | |
| #4 | Italy | 2 | |
| #5 | Netherlands | 2 | |
| #6 | Belgium | 1 | |
| #7 | Canada | 1 | |
| #8 | France | 1 | |
| #9 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Ignition and extinguishing | |
| #2 | Compressed gas holders |
| # | Name | Total Patents |
|---|---|---|
| #1 | Zahn Hermann | 6 |
| #2 | Zahn H | 1 |
| Publication | Filing date | Title |
|---|---|---|
| ATA744778A | Liquid gas small container made of plastic or sheet for refilling lighters | |
| DE2807905A1 | LIGHTER | |
| DE2739186A1 | Cigarette lighter miniature liquefied gas storage vessel - has cylinder with exchangeable end closing valves and flexible closing cap | |
| DE2614207A1 | GAS CYLINDER MADE FROM PLASTIC OR TIN |