John Pietrangelo
5Patents
3h-index
8Co-inventors
46Inventor score
Filing activity: Dec 2, 1991 → Apr 22, 2004
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5617975A | Chip feed system | Textiles; Paper | 21 | Expired |
| US5567279A | Variable stage pressure diffuser | Textiles; Paper | 7 | Expired |
| US6129816A | Tapered screen assembly for a cellulose pulp digester | Textiles; Paper | 7 | Expired |
| US6375796B1 | Method of treating material in a continuous digester | Textiles; Paper | 1 | Expired |
| USRE39208E1 | Method of treating material in a continuous digester | General | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.