| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 13 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Mechanical elements | |
| #3 | Measurement | |
| #4 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Vehicle connections | |
| #2 | Motor vehicles | |
| #3 | Clutches and brakes | |
| #4 | Venting or aerating devices | |
| #5 | Measuring length, angles and areas | |
| #6 | Punching metal | |
| #7 | Shafts |
| # | Name | Total Patents |
|---|---|---|
| #1 | Tobias Weber | 10 |
| #2 | Chase Hamilton C | 3 |
| Publication | Filing date | Title |
|---|---|---|
| US2503530A | Fifth wheel structure | |
| US2468419A | Fifth wheel structure | |
| US2498320A | Percussive type fender and body shaping hand tool | |
| US2497481A | Wheel gauge | |
| US2223650A | Semitrailer | |
| US2197401A | Trailer | |
| US2133065A | Coupler | |
| US1696879A | Brake for vehicles | |
| US1755536A | Valve | |
| US1631470A | Vehicle brake | |
| US1426134A | Trailer coupling | |
| US1411230A | Coupling | |
| US1375266A | Coupling |