| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 4 | |
| #2 | United States | 4 | |
| #3 | Austria | 3 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Portable lighting devices | |
| #2 | Burners | |
| #3 | Ignition and extinguishing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Mueller Otto Max | 11 |
| Publication | Filing date | Title |
|---|---|---|
| US970084A | Lamp-burner. | |
| GB190816296A | Improvements in and relating to Miner's Safety Lamps. | |
| US935219A | Miner's lamp. | |
| US904886A | Self-igniting device. | |
| US921868A | Locking device for miners' lamps. | |
| GB190705849A | An Improved Magnetically Releasable Locking Device for Miners' Lamps and the like. | |
| GB190523229A | Improvements relating to Miner's Lamps. |