| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 11 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Mechanical elements | |
| #3 | Chemical engineering | |
| #4 | Thermal processes | |
| #5 | Weapons |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Steam traps | |
| #3 | Venting or aerating devices | |
| #4 | Separation | |
| #5 | Heat-exchanger without contact | |
| #6 | Military vessels | |
| #7 | Unspecified technologies | |
| #8 | Spraying devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Swendeman Joseph E | 11 |
| Publication | Filing date | Title |
|---|---|---|
| US1843251A | Rotary plug valve | |
| US1732955A | Spraying apparatus | |
| US1483696A | Compensator for submarines | |
| US1486936A | Apparatus for automatically separating liquids of different specific gravities | |
| US1566238A | Steam trap | |
| US1180453A | Valve. | |
| US1171475A | Valve. | |
| US884626A | Steam-trap. | |
| US790602A | Steam-trap. | |
| US677749A | Water-cooling tower. | |
| US646670A | Steam-trap. |