| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 5 | |
| #2 | United Kingdom | 4 | |
| #3 | Austria | 3 | |
| #4 | Spain | 2 | |
| #5 | United States | 2 | |
| #6 | Canada | 1 | |
| #7 | Denmark | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Transport | |
| #3 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Special musical instruments | |
| #2 | Lubricating | |
| #3 | Vehicle wheels |
| # | Name | Total Patents |
|---|---|---|
| #1 | Walch Gustav | 16 |
| Publication | Filing date | Title |
|---|---|---|
| CA103900A | Stringed musical instrument | |
| US884785A | Piano-violin. | |
| GB190619644A | An Improved Stringed Musical Instrument. | |
| US774960A | Lubricator. | |
| GB190400978A | Improvements in Lubricators. | |
| GB190106802A | Improvements in or appertaining to Apparatus for Lubricating the Moving Parts of Machinery. | |
| GB189706584A | Improvements in Automatic Grease Boxes. |