| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 6 | |
| #2 | Switzerland | 3 | |
| #3 | United Kingdom | 3 | |
| #4 | Austria | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Electrical machinery and energy |
| # | Technology | |
|---|---|---|
| #1 | Ignition for internal-combustion engines | |
| #2 | Dynamo-electric machines | |
| #3 | Cyclically operating valves |
| # | Name | Total Patents |
|---|---|---|
| #1 | Unterberg Helmle | 3 |
| Publication | Filing date | Title |
|---|---|---|
| GB191403832A | Brush Holder and Plug Contact for use with Magneto Electric Ignition Apparatus. | |
| GB191313006A | Improvements in and relating to Magneto-electric Ignition Apparatus. | |
| GB190811432A | Improved Actuating for Magneto-electric Ignition Apparatus |