John HAMMAR
3Patents
2h-index
2Co-inventors
38Inventor score
Filing activity: Feb 5, 1975 → Apr 22, 2010
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US3962886A | Freezer ice tray construction | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US8613605B2 | Centrifugal pump | Mechanical Engineering; Lighting; Heating | 5 | Active |
| US4129408A | Gas burner lighting device for an absorption refrigerating apparatus | Mechanical Engineering; Lighting; Heating | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.