| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 34 | |
| #2 | Austria | 26 | |
| #3 | Germany | 15 | |
| #4 | United Kingdom | 2 | |
| #5 | France | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Electrical machinery and energy |
| # | Technology | |
|---|---|---|
| #1 | Thread cutting | |
| #2 | Turning | |
| #3 | Sawing | |
| #4 | Dynamo-electric machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Roller Albert | 52 |
| #2 | Albert Roller | 28 |
| Publication | Filing date | Title |
|---|---|---|
| DE2405670A1 | Automatic pipe cutting tool with feed mechanism - is of light weight and facilitates exact automatic rotation of pipe | |
| GB190102764A | Improved Tool Holder for Metal-cutting Machines. | |
| GB189914306A | Improvements in Stocks and Dies. |