| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 21 | |
| #2 | France | 2 | |
| #3 | United Kingdom | 2 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Mechanical elements | |
| #3 | Machines | |
| #4 | Materials and metallurgy | |
| #5 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Electrical vehicle propulsion | |
| #2 | Vehicle transmission mounting | |
| #3 | Gearing | |
| #4 | Unspecified technologies | |
| #5 | Motor vehicles | |
| #6 | Metal tempering | |
| #7 | Grinding or polishing devices | |
| #8 | Clutches and brakes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Keim Lester H | 6 |
| #2 | Burnham Leland F | 6 |
| #3 | Phillips William H | 2 |
| #4 | Hoke Keim Lester | 2 |
| #5 | Moore William Enoch | 1 |
| #6 | Martin Frederick S | 1 |
| #7 | Felix Frank C | 1 |
| #8 | Young Robert W | 1 |
| #9 | Milton Rupert | 1 |
| #10 | Schafer Carl H | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1671475A | Power-transmitting mechanism | |
| US1517293A | Drive-gear mechanism | |
| US1504602A | Trolley base | |
| US1614155A | Trolley wheel | |
| US1558832A | Trolley pole | |
| US1555264A | Current collector | |
| US1553424A | Trolley pole | |
| US1563336A | Trolley | |
| US1545735A | Trolley base | |
| US1473809A | Trolley base | |
| US1595725A | Gear-rim holder | |
| US1543720A | Flexible coupling | |
| US1365277A | Trolley-wheel | |
| US1506755A | Transmission mechanism | |
| GB122823A | Improvements in Transmission Mechanism for Motor Driven Vehicles. | |
| US1435242A | Transmission mechanism | |
| US1454930A | Transmission mechanism | |
| US1431960A | Transmission mechanism | |
| US1431958A | Transmission mechanism | |
| US1431959A | Tractor transmission mechanism |