| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 17 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Machines | |
| #3 | Mechanical elements | |
| #4 | Control | |
| #5 | Chemical engineering | |
| #6 | Thermal processes | |
| #7 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Pumps | |
| #2 | Unspecified technologies | |
| #3 | Venting or aerating devices | |
| #4 | Mixing | |
| #5 | Systems controlling non-electric variables | |
| #6 | Sound-producing devices | |
| #7 | Preheating for stem generation | |
| #8 | Machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Charles Wainwright | 17 |
| Publication | Filing date | Title |
|---|---|---|
| US2170358A | Multistep intake unloader | |
| US2116456A | Air governor | |
| US1882266A | Unit intercooler | |
| US1938472A | Compressor | |
| US1854085A | Compressor valve unit | |
| US1842303A | Air compressor | |
| US1817862A | Unloading system for air and gas compressors | |
| US1723902A | Signal whistle | |
| US1743989A | Heat exchanger | |
| US1733844A | Speed and pressure governor | |
| US1490049A | Box plate valve | |
| US1390941A | Plate-valve | |
| US1348672A | Uniflow steam-engine | |
| US1366853A | Automatic relief means for compressor-regulators | |
| US1334198A | Plate-valve | |
| US1353098A | Regulator for air-compressors | |
| US1334197A | Box plate-valve |