| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 11 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Environmental technology | |
| #3 | Machines | |
| #4 | Mechanical elements | |
| #5 | Foods and drinks | |
| #6 | Basic materials chemistry | |
| #7 | Chemical engineering | |
| #8 | Textiles and paper |
| # | Name | Total Patents |
|---|---|---|
| #1 | Simpson Ward T | 6 |
| #2 | Kenyon Bertrand F | 2 |
| #3 | Martin William | 1 |
| #4 | Knowles Joseph G | 1 |
| #5 | Clarke Cox David | 1 |
| #6 | Finney James J | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2554334A | Transmission | |
| US2489646A | Automatic feathering and nonstallable force drive | |
| US1951861A | Process of wax purification | |
| US1748149A | Carburetor | |
| US1647058A | Carburetor | |
| US1498084A | Apparatus for mixing or beating plastic materials | |
| US1625575A | Carburetor and fuel-feeding system therefor | |
| US1625574A | Carburetor | |
| US1631701A | Carburetor | |
| US1625572A | Carburetor | |
| US1262357A | Machine for making fly-traps. |