| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 247 | |
| #2 | Canada | 95 | |
| #3 | United Kingdom | 4 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Thermal processes | |
| #3 | Machines | |
| #4 | Engines, pumps and turbines | |
| #5 | Environmental technology | |
| #6 | Mechanical elements |
| # | Name | Total Patents |
|---|---|---|
| #1 | Blunt James G | 35 |
| #2 | Cole Francis J | 28 |
| #3 | Weber Theodore R | 28 |
| #4 | Nichols William M | 25 |
| #5 | Dalton William | 25 |
| #6 | Gunter Addison Y | 15 |
| #7 | Farkas George B | 12 |
| #8 | Player John | 12 |
| #9 | Mellin Carl J | 11 |
| #10 | Clifford Roger W | 9 |
| Publication | Filing date | Title |
|---|---|---|
| US2831957A | Method and apparatus for forming finned structures | |
| US2686514A | Combustion chamber | |
| US2680651A | Fuel injector | |
| US2686398A | Rotating valve for separating high and low pressure exhaust gases | |
| US2674086A | Exhaust manifold | |
| GB710601A | Internal combustion engine | |
| US2690276A | High-pressure closure | |
| US2647016A | Fuel injector | |
| US2690356A | Fuel injection apparatus | |
| US2686575A | Brake rigging for railway vehicles | |
| US2708574A | Spring group | |
| US2690275A | High-pressure closure | |
| US2711266A | High pressure closures | |
| US2644433A | Combustion chamber for internalcombustion engines | |
| US2644472A | Flushing device | |
| US2691299A | Fuel pump tester | |
| US2647015A | Fuel injector | |
| US2678113A | Railway brake rigging | |
| US2660031A | Exhaust manifold for internalcombustion engines | |
| US2650853A | Railway car wheel |