| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 34 | |
| #2 | United Kingdom | 4 | |
| #3 | France | 2 | |
| #4 | Austria | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Computer technology | |
| #3 | Mechanical elements | |
| #4 | Measurement | |
| #5 | Optics | |
| #6 | Control |
| # | Technology | |
|---|---|---|
| #1 | Accessories for machine tools | |
| #2 | Turning | |
| #3 | Counting mechanisms | |
| #4 | Grinding or polishing devices | |
| #5 | Measuring volume | |
| #6 | Gearing | |
| #7 | Shafts | |
| #8 | Optical systems | |
| #9 | Clutches and brakes | |
| #10 | Control or regulating systems |
| # | Name | Total Patents |
|---|---|---|
| #1 | Doerr Arnold | 10 |
| #2 | Vogler Bruno | 3 |
| #3 | Einhand Kurt | 2 |
| #4 | Wolfgarten Hubert | 2 |
| #5 | Melzer Rudolf | 2 |
| #6 | Schoener Kurt | 2 |
| #7 | Gerlach Hans | 2 |
| #8 | Meyer Will | 2 |
| #9 | Kuehn Heinrich | 1 |
| #10 | Bemuth Ernst | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB912694A | Improvements in or relating to tracer controls for machine tools | |
| GB266314A | Improvements in machine tools more particularly machines for polishing crank shafts | |
| GB257884A | Improvements in or relating to circular grinding or polishing machines | |
| GB240408A | Arrangement for alternately grinding between dead centres and grinding internally | |
| DE206360C | Belt drive |