| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 12 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Machines | |
| #3 | Chemical engineering | |
| #4 | Thermal processes | |
| #5 | Measurement |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Steam turbines | |
| #3 | Cleaning | |
| #4 | Cleaning heat-exchanger internal surfaces | |
| #5 | Separation | |
| #6 | Non-positive-displacement pumps | |
| #7 | Measuring volume | |
| #8 | Unspecified technologies | |
| #9 | Rotary-pistons | |
| #10 | Rotary pistons |
| # | Name | Total Patents |
|---|---|---|
| #1 | Faber Frank M | 5 |
| #2 | Conn Charles A | 2 |
| #3 | Mills Edward R | 1 |
| #4 | Pratt Clayton A | 1 |
| #5 | Hugo Berquist | 1 |
| #6 | Rawson George O | 1 |
| #7 | Holt Harris B | 1 |
| #8 | Atterbury George W | 1 |
| #9 | Mccomb William | 1 |
| #10 | Swartz Alfred H | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1662630A | Liquid-treating apparatus | |
| US917724A | Rotary motor. | |
| US914155A | Rotary motor. | |
| US983032A | Turbine. | |
| US874174A | Turbine. | |
| US792975A | Turbine. | |
| US807918A | Tube-cleaner. | |
| US826413A | Turbine for boiler-cleaners. | |
| US830808A | Tube-cleaner. | |
| US748515A | Water-column. | |
| US722750A | Tube-cleaner. | |
| US717619A | Tube-cleaner. |