| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 22 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Machines | |
| #3 | Chemical engineering | |
| #4 | Mechanical elements | |
| #5 | Measurement | |
| #6 | Machine tools | |
| #7 | Agriculture |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Heat-exchange device details | |
| #3 | Separation | |
| #4 | Steam condensers | |
| #5 | Unspecified technologies | |
| #6 | Venting or aerating devices | |
| #7 | Punching metal | |
| #8 | Planting | |
| #9 | Heat-exchanger without contact | |
| #10 | Testing of structures |
| # | Name | Total Patents |
|---|---|---|
| #1 | Braun Carl F | 22 |
| Publication | Filing date | Title |
|---|---|---|
| US1737564A | Floating head for tube nests | |
| US1725052A | Bubble still | |
| US1683236A | Heat-exchanging apparatus | |
| US1662143A | Heat-exchange apparatus | |
| US1640748A | Progressive condenser | |
| US1623617A | Condenser, cooler, and absorber | |
| US1596394A | Testing jig and method of use | |
| US1662142A | Evaporator and method of operation | |
| US1640746A | Heat exchanger | |
| US1516704A | Tube-expanding tool | |
| US1562682A | Condenser | |
| US1442784A | Water-cooling tower | |
| US1442783A | Heat exchanger | |
| US1428270A | Twin strainer | |
| US1442782A | Three-way by-pass valve | |
| US1353449A | Heat-exchanger | |
| US1334014A | Evaporator | |
| US1334515A | Water-cooling tower | |
| US1253344A | Twin strainer. | |
| US1284868A | Heat-exchanger. |