| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 15 | |
| #2 | Canada | 5 | |
| #3 | United Kingdom | 3 | |
| #4 | Germany | 2 | |
| #5 | France | 2 | |
| #6 | Switzerland | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machines | |
| #3 | Machine tools | |
| #4 | Transport | |
| #5 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Clutches and brakes | |
| #2 | Unspecified technologies | |
| #3 | Metal-working | |
| #4 | Making metal sheets | |
| #5 | Vehicle parts | |
| #6 | Furnaces | |
| #7 | Shafts | |
| #8 | Vehicle transmission mounting |
| # | Name | Total Patents |
|---|---|---|
| #1 | Swenson Carl E | 11 |
| #2 | Waisner Horace L | 2 |
| #3 | Swenson Carl Edgar | 2 |
| #4 | Anderson Carl L | 1 |
| #5 | Ekstrom Ernest R | 1 |
| #6 | Anderson Carl Ludvig | 1 |
| #7 | Hobbs John W | 1 |
| #8 | Larson Oscar J | 1 |
| #9 | Harrison Oscar H | 1 |
| #10 | Joint Company Mechanics Univer | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1989832A | Universal joint | |
| DE624185C | Universal joint | |
| GB416542A | Universal joint | |
| GB405160A | Universal joint | |
| US1941764A | Universal joint | |
| US1996996A | Universal joint | |
| US1993192A | Universal joint | |
| US1950579A | Universal joint | |
| US1949500A | Universal joint | |
| US1913537A | Assembling fixture | |
| US1950207A | Universal joint | |
| US1967487A | Method and apparatus for making propeller shafts | |
| DE552646C | Joint, especially for vehicles with steering wheel drive | |
| GB347315A | Universal joint assembly | |
| US1902802A | Automotive vehicle with radio equipment | |
| US1987807A | Universal joint assembly | |
| US1925419A | Shaft connection for universal joint assemblies | |
| US1782451A | Heat-treating furnace | |
| US1762673A | Clutch disk | |
| US1746980A | Universal joint |