| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 8 | |
| #2 | Switzerland | 4 | |
| #3 | Austria | 3 | |
| #4 | United Kingdom | 3 | |
| #5 | United States | 3 | |
| #6 | Denmark | 2 |
| # | Industry | |
|---|---|---|
| #1 | Computer technology | |
| #2 | Electrical machinery and energy |
| # | Technology | |
|---|---|---|
| #1 | Mechanically computing digital computers | |
| #2 | Electric switches |
| # | Name | Total Patents |
|---|---|---|
| #1 | Rauchwetter Franz | 23 |
| Publication | Filing date | Title |
|---|---|---|
| US1239622A | Keyboard adding-machine. | |
| US1127677A | Calculating-machine. | |
| CA148099A | Calculating machine | |
| GB191214574A | Totalizing Mechanism for Calculating Machines and the like. | |
| CA136142A | Calculating machine | |
| US996523A | Calculating-machine. | |
| GB191017958A | A Calculating Machine, especially intended for Effecting Multiplication. | |
| CA232296A | Printing device for calculating machines | |
| CA226316A | Printing device for calculating machines | |
| CA226314A | Drive for the printing mechanism of calculating machines | |
| CA232297A | Calculating mechanism | |
| CA226317A | Adding machine | |
| CA226315A | Calculating machinery |