| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 13 | |
| #2 | Germany | 2 | |
| #3 | United Kingdom | 2 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Measurement |
| # | Technology | |
|---|---|---|
| #1 | Accessories for machine tools | |
| #2 | Thread cutting | |
| #3 | Machines for making clocks | |
| #4 | Grinding or polishing devices | |
| #5 | Turning | |
| #6 | Testing of structures | |
| #7 | Punching metal |
| # | Name | Total Patents |
|---|---|---|
| #1 | A Henri Hauser S | 9 |
| #2 | Walter Hauser | 4 |
| #3 | Hauser Walter | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB794222A | Improvements in or relating to machine-tools | |
| DE625742C | Device for attaching a microscope to the work spindle sleeve of a machine tool, in particular a jig drilling machine |