| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Mechanical elements | |
| #3 | Packaging and shipping |
| # | Technology | |
|---|---|---|
| #1 | Thread cutting | |
| #2 | Making gears or toothed racks | |
| #3 | Turning | |
| #4 | Grinding or polishing devices | |
| #5 | Handling thin material | |
| #6 | Gearing | |
| #7 | Frames | |
| #8 | Making screws |
| # | Name | Total Patents |
|---|---|---|
| #1 | Roller Albert | 30 |
| #2 | Albert Roller | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE485408C | Production of the flank surfaces of different curvatures of the teeth of lathe chuck jaws which engage in a spiral thread of the adjusting ring |