John Hallberg
7Patents
4h-index
13Co-inventors
54Inventor score
Filing activity: May 11, 1977 → Jul 29, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4574763A | Dual fuel carburetion system and method | Emerging Cross-Sectional Technologies | 24 | Expired |
| US4492207A | Dual fuel system | Emerging Cross-Sectional Technologies | 17 | Expired |
| US5095950A | Fluid mixing apparatus with progressive valve means | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4111219A | Industrial fuel blender and fuel blending method | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4765356A | Method and apparatus for mixing fluids | Emerging Cross-Sectional Technologies | 3 | Expired |
| US10677054B2 | Cutting bit assembly | Fixed Constructions | 0 | Active |
| US8330314B2 | Magnetic transmission device | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.