| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 8 | |
| #2 | United Kingdom | 5 | |
| #3 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Machine tools | |
| #3 | Engines, pumps and turbines | |
| #4 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Electric incandescent lamps | |
| #2 | Tools for connecting or disengaging | |
| #3 | Protective garments | |
| #4 | Milling | |
| #5 | Electrically-conductive connections | |
| #6 | Cooling of machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Mayer Hermann | 1 |
| #2 | Hermann Mayer | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB521643A | Improvements in incandescent-filament electric lamps | |
| GB429033A | Improvements in and relating to electric incandescent filament lamps of tubular form | |
| GB424708A | Improvements in electric incandescent filament lamps of tubular form | |
| GB409953A | Improvements in or relating to electric incandescent lamps of tubular form | |
| GB269189A | Electric incandescent lamp of tubular form | |
| US1651287A | Electric incandescent lamp made of glass tubing |