| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Thread cutting | |
| #2 | Accessories for machine tools | |
| #3 | Grinding or polishing devices | |
| #4 | Turning | |
| #5 | Supplying combustion engines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Bauer Kurt Paul | 2 |
| #2 | Ploettner Walter | 1 |
| #3 | Winkler Kurt | 1 |
| #4 | Pietzsch Walter | 1 |
| #5 | Klunker Martin | 1 |
| #6 | Tappert Curt | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE742877C | Device for tightening and loosening tools with a tapered shaft in a tapered longitudinal bore of the spindle | |
| DE728263C | Adjustable jaw grinding tool | |
| DE725250C | Drawing grinding machine | |
| DE717486C | Axially adjustable tool holder for multi-spindle drilling machines | |
| DE720561C | Device for fixing a graduation disc that can be freely rotated with its hub on an adjusting spindle | |
| DE344270C | Fuel nozzle disc for oil engines |