| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 15 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Transport | |
| #3 | Machine tools | |
| #4 | Environmental technology | |
| #5 | Furniture and games |
| # | Name | Total Patents |
|---|---|---|
| #1 | Thompson Ralph P | 15 |
| #2 | Koeb Emil | 6 |
| #3 | Koeeb Emil | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1735223A | Filing machine | |
| US1468410A | Gearing for drive wheels | |
| US1158585A | Spring suspension. | |
| US1034535A | Portable drill, known as hand or breast drill. | |
| US989206A | Grinding-machine. | |
| US952483A | Explosive-engine. | |
| US893034A | Oscillating fan. | |
| US869994A | Steering mechanism for automobiles. | |
| US842591A | Automobile. | |
| US758943A | Balanced valveless two-cycle gas-engine. | |
| US725379A | Muffler for engines. | |
| US741986A | Oil-injector for gas-engines. | |
| US741985A | Gas-engine. | |
| US740488A | Feed device for gasolene and air for gas-engines. | |
| US729700A | Gas-engine. |