Inventor · Glens Falls, NY, US

John Pietrangelo

5Patents
3h-index
8Co-inventors
46Inventor score

Filing activity: Dec 2, 1991 → Apr 22, 2004

Most-cited inventions

PatentTitleAreaCited byStatus
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.