| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 6 | |
| #2 | Austria | 4 | |
| #3 | Denmark | 3 | |
| #4 | United States | 2 | |
| #5 | Spain | 1 | |
| #6 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Textiles and paper |
| # | Technology | |
|---|---|---|
| #1 | Footwear manufacturing machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Engelhardt Georg | 15 |
| #2 | Foelsch Carl Friedrich | 2 |
| #3 | Georg Engelhardt | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US806531A | Measuring device for shoe-lasts and foot-coverings. | |
| US807917A | Last. | |
| GB190426187A | An Improved Measuring Appliance for Foot Wear |