| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 7 | |
| #2 | United Kingdom | 3 | |
| #3 | France | 2 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Shafts | |
| #2 | Clutches and brakes | |
| #3 | Unspecified technologies | |
| #4 | Pistons and sealings |
| # | Name | Total Patents |
|---|---|---|
| #1 | Stein Louis H | 5 |
| #2 | Schoenrock Otto R | 1 |
| #3 | Rozner Joseph J | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2403460A | Ball bearing | |
| US2299351A | Universal joint | |
| US2225758A | Oil seal | |
| GB523593A | Improvements in anti-friction bearings | |
| US2230471A | Antifriction bearing | |
| US2140818A | Antifriction bearing | |
| GB478825A | Improvements in or relating to ball and roller bearings | |
| GB485650A | Improvements in or relating to ball and roller bearings | |
| US1958725A | Ball bearing | |
| US2009281A | Fluid seal for rotary shafts |