| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 4 | |
| #2 | EPO (European Patent Office) | 3 | |
| #3 | WIPO (World Intellectual Property Organization) | 2 | |
| #4 | Australia | 1 | |
| #5 | China | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Environmental technology | |
| #3 | Machines | |
| #4 | Mechanical elements |
| # | Name | Total Patents |
|---|---|---|
| #1 | Beck Niels J | 7 |
| #2 | Pena James A | 7 |
| #3 | Johnson William P | 6 |
| #4 | Barkhimer Robert L | 4 |
| #5 | Weseloh William E | 3 |
| #6 | Calkins Michael A | 3 |
| #7 | Beck Neils J | 3 |
| #8 | Goohs Christian G | 2 |
| #9 | Roach Alan R | 1 |
| #10 | Johnston Bevan H | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US5685273A | Method and apparatus for controlling fuel injection in an internal combustion engine | |
| US5438968A | Two-cycle utility internal combustion engine | |
| WO9315310A1 | Accumulator fuel injection system | |
| US4997004A | High cycle solenoid valve | |
| US4628881A | Pressure-controlled fuel injection for internal combustion engines | |
| EP0107894A2 | Method and apparatus for precisely controlled fuel injection in a diesel engine |