| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 3 | |
| #2 | France | 2 | |
| #3 | United Kingdom | 2 | |
| #4 | Austria | 1 | |
| #5 | Switzerland | 1 | |
| #6 | EPO (European Patent Office) | 1 | |
| #7 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Measurement |
| # | Technology | |
|---|---|---|
| #1 | Measuring distances |
| # | Name | Total Patents |
|---|---|---|
| #1 | Scheyer Guido | 5 |
| #2 | Scheyer Dietmar | 2 |
| #3 | Guido Scheyer | 1 |
| Publication | Filing date | Title |
|---|---|---|
| ATA51786A | Level | |
| DE2148024A1 | Bubble level - comprising a frame and a polystyrene partition | |
| GB1247124A | Improvements in spirit and like levels | |
| GB1210348A | Improvements in bubble-levels |