| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 16 | |
| #2 | Austria | 9 | |
| #3 | United Kingdom | 5 | |
| #4 | Switzerland | 3 | |
| #5 | United States | 2 | |
| #6 | Denmark | 1 | |
| #7 | Spain | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Machines | |
| #3 | Packaging and shipping | |
| #4 | Mechanical elements | |
| #5 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Portable lighting devices | |
| #2 | Lighting device details | |
| #3 | Unspecified technologies | |
| #4 | Cycle accessories | |
| #5 | Unspecified technologies | |
| #6 | Packaging | |
| #7 | Nails |
| # | Name | Total Patents |
|---|---|---|
| #1 | Rogge Bernhard | 12 |
| #2 | Bernhard Rogge | 3 |
| Publication | Filing date | Title |
|---|---|---|
| US3483612A | Fastener-self-locking | |
| US3457691A | Method and apparatus for feeding capsules | |
| GB418470A | Improvements in portable electric battery lamps, particularly torches | |
| GB292836A | Improvements in portable electric lamps | |
| GB189053A | Improvements in electrical pocket-lamps | |
| GB169439A | Improvements in electric pocket lamps | |
| GB160761A | Casings for electric pocket-lamps |