| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 7 | |
| #2 | Germany | 2 | |
| #3 | United States | 2 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Electrical machinery and energy | |
| #3 | Environmental technology | |
| #4 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Sawing | |
| #2 | Multi-purpose tools | |
| #3 | Reduction of greenhouse gas emissions | |
| #4 | Batteries | |
| #5 | Unspecified technologies | |
| #6 | Hand-held cutting tools | |
| #7 | Tools for connecting or disengaging | |
| #8 | Turning | |
| #9 | Wood saws | |
| #10 | Grinding tools |
| # | Name | Total Patents |
|---|---|---|
| #1 | Dreher Ernst | 6 |
| #2 | Ernst Dreher | 5 |
| Publication | Filing date | Title |
|---|---|---|
| DE4103766A1 | Position measurement workpiece stop for machine tables - has sensing element used with optical reader for positioning, stepped support surface | |
| DE3538663A1 | Power saw for machining wood, with a guide rail and a saw chain revolving on it |