| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 117 | |
| #2 | Germany | 6 | |
| #3 | France | 2 | |
| #4 | Austria | 1 | |
| #5 | Denmark | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Engines, pumps and turbines | |
| #3 | Optics | |
| #4 | Machines | |
| #5 | Consumer goods | |
| #6 | Mechanical elements | |
| #7 | Measurement |
| # | Technology | |
|---|---|---|
| #1 | Accessories for machine tools | |
| #2 | Grinding or polishing devices | |
| #3 | Machines for artistic work | |
| #4 | Supplying combustion engines | |
| #5 | Cameras | |
| #6 | Unspecified technologies | |
| #7 | Controlling combustion engines | |
| #8 | Gearing | |
| #9 | Thread cutting | |
| #10 | Special measuring |
| # | Name | Total Patents |
|---|---|---|
| #1 | Friedrich Deckel Firma | 115 |
| #2 | Heinelt Roland | 1 |
| #3 | Deckel Friedrich | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE414567C | Engraving machine | |
| DE423015C | Engraving machine | |
| DE403832C | Device for adjusting engraving spindles | |
| DE411088C | Automatic engraving machine | |
| DE405420C | Deburring device for automatic turning bars, especially for screw production | |
| DE410632C | Removable storage for axially adjustable graver spindles on engraving machines |