| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 14 | |
| #2 | United Kingdom | 2 | |
| #3 | Switzerland | 1 |
| # | Industry | |
|---|---|---|
| #1 | Control | |
| #2 | Electrical machinery and energy | |
| #3 | Weapons |
| # | Technology | |
|---|---|---|
| #1 | Alarm systems | |
| #2 | Electric switches | |
| #3 | Mountings for cannons and pistols |
| # | Name | Total Patents |
|---|---|---|
| #1 | Heinrich Bock Emil | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB230970A | Improvements relating to safety devices provided with cells which are sensitive to light | |
| GB176170A | Electrical apparatus for protection against burglary and the like |