| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 2 | |
| #2 | France | 2 | |
| #3 | Austria | 1 | |
| #4 | Belgium | 1 | |
| #5 | Canada | 1 | |
| #6 | Germany | 1 | |
| #7 | Spain | 1 | |
| #8 | United Kingdom | 1 | |
| #9 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Surface technology and coating | |
| #3 | Materials and metallurgy |
| # | Technology | |
|---|---|---|
| #1 | Grinding or polishing devices | |
| #2 | Coating metallic material | |
| #3 | Layered products | |
| #4 | Changing non-ferrous metals |
| # | Name | Total Patents |
|---|---|---|
| #1 | Dreher Manfrid | 4 |
| #2 | Dreher Manfrid Dr Ing | 2 |
| #3 | Dreher Dieter Dipl Ing | 1 |
| #4 | Dr Dreher Manfrid Ing | 1 |
| #5 | Dreher Dieter | 1 |
| Publication | Filing date | Title |
|---|---|---|
| ES270694A1 | A procedure to manufacture metallic objects from hardened alloys (Machine-translation by Google Translate, not legally binding) | |
| GB934559A | Method of preparing an age-hardened coated metal alloy article | |
| CA737418A | Method of preparing an age-hardened coated metal alloy article |