| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Austria | 2 | |
| #2 | Switzerland | 2 | |
| #3 | Germany | 2 | |
| #4 | United Kingdom | 2 | |
| #5 | Canada | 1 | |
| #6 | Denmark | 1 | |
| #7 | Spain | 1 | |
| #8 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Mechanical elements | |
| #3 | Machines | |
| #4 | Measurement | |
| #5 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Nails | |
| #2 | Making needles | |
| #3 | Unspecified technologies | |
| #4 | Measuring length, angles and areas | |
| #5 | Sawing | |
| #6 | Bowling games | |
| #7 | Turning |
| # | Name | Total Patents |
|---|---|---|
| #1 | Retterath Valentin | 8 |
| #2 | Valentin Retterath | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB227632A | Method of and apparatus for producing conical pins, axle parts and the like | |
| CA262566A | Metal working process |