Robert H. Zimmerli
3Patents
3h-index
3Co-inventors
43Inventor score
Filing activity: Nov 25, 1977 → Jun 3, 1991
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4646548A | Tube expanding and grooving tool and method | Emerging Cross-Sectional Technologies | 18 | Expired |
| US5131463A | Corrosion protection filter for heat exchangers | Mechanical Engineering; Lighting; Heating | 17 | Expired |
| US4196923A | Adhesive bonding of aluminum coils | Emerging Cross-Sectional Technologies | 15 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.