| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 4 | |
| #2 | EPO (European Patent Office) | 2 | |
| #3 | WIPO (World Intellectual Property Organization) | 2 | |
| #4 | Spain | 1 | |
| #5 | United Kingdom | 1 | |
| #6 | Italy | 1 | |
| #7 | Japan | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Control |
| # | Technology | |
|---|---|---|
| #1 | Grinding or polishing devices | |
| #2 | Accessories for machine tools | |
| #3 | Control or regulating systems |
| # | Name | Total Patents |
|---|---|---|
| #1 | Lang Werner Gerhard | 7 |
| #2 | Salje Ernst Prof Dr-Ing | 1 |
| #3 | Buerunaru Geruharuto Rangu | 1 |
| #4 | Salje Ernst | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE3221395A1 | Double-spindle grinding machine | |
| DE3136372A1 | Planer-type grinding machine | |
| DE3136396A1 | Planer-type grinding machine having one or more stands | |
| DE3136402A1 | DRILL GRINDING MACHINE |