| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 10 | |
| #2 | Germany | 6 | |
| #3 | Austria | 2 | |
| #4 | Switzerland | 2 | |
| #5 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Transport | |
| #3 | Machines | |
| #4 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Motor vehicles | |
| #2 | Clutches and brakes | |
| #3 | Unspecified technologies | |
| #4 | Shafts | |
| #5 | Pistons and sealings | |
| #6 | Gearing | |
| #7 | Making screws | |
| #8 | Vehicle transmission mounting | |
| #9 | Making forged metal products | |
| #10 | Vehicle suspension arrangements |
| # | Name | Total Patents |
|---|---|---|
| #1 | Schmid Leopold | 9 |
| #2 | Leopold Schmid | 2 |
| Publication | Filing date | Title |
|---|---|---|
| FR2302449A1 | Synchronising joint coupling for wheels - transmits torque from inner to outer coupling part by three equally spaced rollers | |
| CA466640A | Speed change gear with synchronizing arrangement |