Irving B. Joffee
9Patents
7h-index
7Co-inventors
52Inventor score
Filing activity: Oct 19, 1981 → Jun 6, 1991
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4702840A | Charge modified polyamide membrane | Performing Operations; Transporting | 111 | Expired |
| US4707266A | Polyamide membrane with controlled surface properties | Performing Operations; Transporting | 107 | Expired |
| US4774132A | Polyvinylidene difluoride structure | Emerging Cross-Sectional Technologies | 75 | Expired |
| US4734208A | Charge-modified microfiber filter sheets | Performing Operations; Transporting | 71 | Expired |
| US4523995A | Charge-modified microfiber filter sheets | Performing Operations; Transporting | 60 | Expired |
| US5154829A | Polyamide membrane with controlled surface properties | Performing Operations; Transporting | 19 | Expired |
| US4855163A | Method of making polyvinylidene difluoride structure | Emerging Cross-Sectional Technologies | 16 | Expired |
| US5198505A | Uniform polyvinylidene difluoride membranes | Performing Operations; Transporting | 5 | Expired |
| US5196508A | Method for making uniform polyvinylidene difluoride membranes | Performing Operations; Transporting | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.