| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 22 | |
| #2 | Canada | 3 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Machines | |
| #3 | Electrical machinery and energy | |
| #4 | Thermal processes | |
| #5 | Chemical engineering | |
| #6 | Measurement |
| # | Technology | |
|---|---|---|
| #1 | Steam engine plants | |
| #2 | Unspecified technologies | |
| #3 | Electrically-conductive connections | |
| #4 | Unspecified technologies | |
| #5 | Fluid heaters | |
| #6 | Separation | |
| #7 | Non-positive-displacement pumps | |
| #8 | Weighing | |
| #9 | Casings for combustion chambers | |
| #10 | Cyclones |
| # | Name | Total Patents |
|---|---|---|
| #1 | Roe Ralph C | 19 |
| #2 | Roe Ralph Coats | 3 |
| #3 | Borden Stephen W | 3 |
| #4 | Olley Raymond H | 2 |
| Publication | Filing date | Title |
|---|---|---|
| US2292291A | Steam turbine plant | |
| US2262860A | Steam drier | |
| US2216986A | Flue gas filter | |
| US2003496A | Heat storage device | |
| US1961787A | Binary fluid power plant | |
| US2022812A | Air heater | |
| US1961788A | Two fluid power plant | |
| US1961786A | Binary fluid power plant | |
| US1976462A | Boiler for power plants | |
| US1932485A | Steam plant | |
| US1961784A | Regenerative heat cycle | |
| US1961785A | Heat cycle | |
| US1839121A | Steam plant | |
| US1898020A | Regulation | |
| US1932484A | Power plant | |
| US1833130A | Air preheater | |
| US1857332A | Power plant | |
| US1885378A | Weighing machine | |
| US1914554A | Electrical ground connecter | |
| US1914381A | Grounding device |