| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 7 | |
| #2 | Switzerland | 1 | |
| #3 | France | 1 | |
| #4 | United Kingdom | 1 | |
| #5 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Furniture and games | |
| #3 | Consumer goods | |
| #4 | Control | |
| #5 | Mechanical elements | |
| #6 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Milling | |
| #2 | Household appliances | |
| #3 | Goods for writing upon | |
| #4 | Kitchen equipment | |
| #5 | Gas holders | |
| #6 | Money sorting | |
| #7 | Shirts and underwear | |
| #8 | Mining |
| # | Name | Total Patents |
|---|---|---|
| #1 | Koch Wilhelm | 3 |
| #2 | Wilhelm Koch | 2 |
| Publication | Filing date | Title |
|---|---|---|
| GB957029A | Improvements in or relating to jaw crushers for crushing minerals or the like |