| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 11 | |
| #2 | Canada | 1 | |
| #3 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Computer technology | |
| #2 | Weapons | |
| #3 | Machines | |
| #4 | Mechanical elements | |
| #5 | Measurement | |
| #6 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Analogue computers | |
| #2 | Weapon sights | |
| #3 | Unspecified technologies | |
| #4 | Mechanically-driven clocks | |
| #5 | Gearing | |
| #6 | Springs | |
| #7 | Vehicle suspension arrangements |
| # | Name | Total Patents |
|---|---|---|
| #1 | Antonin Svoboda | 11 |
| #2 | Lewinston Ruth | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2498312A | Multiplying and dividing linkage | |
| US2498309A | Multiplying linkage | |
| US2498311A | Mechanical divider | |
| US2498308A | Mechanical computer | |
| US2498310A | Multiplying linkage | |
| US2544863A | Computing linkage | |
| US2459726A | Computing linkage | |
| US2395768A | Spring device | |
| US2366658A | Analyzer | |
| US2372613A | Fire director for antiaircraft guns | |
| US2385952A | Fire director apparatus for antiaircraft guns | |
| GB554752A | Sighting apparatus for guns | |
| CA426447A | Anti-aircraft gun fire director |