| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 13 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Machines | |
| #3 | Computer technology | |
| #4 | Machine tools | |
| #5 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Weighing | |
| #2 | Unspecified technologies | |
| #3 | Accessories for machine tools | |
| #4 | Analogue computers | |
| #5 | Shafts |
| # | Name | Total Patents |
|---|---|---|
| #1 | Smith Walter S | 13 |
| Publication | Filing date | Title |
|---|---|---|
| US1870929A | Scale | |
| US1772294A | Scale | |
| US1734098A | Scale | |
| US1774296A | Weighing mechanism | |
| US1682355A | Scale | |
| US1719734A | Scale | |
| US1676295A | Scale | |
| US1723896A | Scale | |
| US1457194A | Spring scale | |
| US1501141A | Scale | |
| US1328600A | Ball-crank connection | |
| US800836A | Smoothing-machine. | |
| US655027A | Computing device. |