| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 14 | |
| #2 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Machines | |
| #3 | Transport | |
| #4 | Environmental technology | |
| #5 | Engines, pumps and turbines | |
| #6 | Mechanical elements |
| # | Name | Total Patents |
|---|---|---|
| #1 | Mccoy Verl E | 7 |
| #2 | Wilson Lyndon F | 6 |
| #3 | Anderson Ralph W | 2 |
| #4 | Lammedee John M | 2 |
| #5 | Mcgrath Herbert J | 1 |
| #6 | Preston Everett A | 1 |
| #7 | Williams Richard J | 1 |
| #8 | Bell Harry A | 1 |
| #9 | Urbach Henry H | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2404263A | Separator for boiler blowoff products | |
| US2330653A | Unit heater | |
| US2320207A | Unit heater | |
| US2317546A | Blowoff cock | |
| US2162148A | Air compression system of variable radiation capacity | |
| US2186355A | Locomotive gear drive | |
| US2100095A | Locomotive steam separator | |
| US2080146A | Sludge removal apparatus | |
| US2080147A | Sludge removal apparatus | |
| US2103225A | Boiler feed apparatus | |
| US2080574A | Blow-off apparatus | |
| US1961157A | Blow-off cock | |
| US1939739A | Locomotive spark eliminator | |
| US1968651A | Continuous sludge removal method and apparatus | |
| CA370878A | Boiler feed apparatus |