Inventor · Worcester, MA, US

Erik Edwin Engwall

7Patents
3h-index
6Co-inventors
42Inventor score

Filing activity: Mar 19, 2004 → Jan 19, 2011

Most-cited inventions

PatentTitleAreaCited byStatus
US7175694B2 Composite gas separation modules having intermediate porous metal layers Chemistry; Metallurgy 34 Expired
US7390536B2 Method for fabricating composite gas separation modules Chemistry; Metallurgy 8 Expired
US7255726B2 Composite gas separation modules having high Tamman temperature intermediate layers Emerging Cross-Sectional Technologies 7 Expired
US7172644B2 Method for curing defects in the fabrication of a composite gas separation module Emerging Cross-Sectional Technologies 3 Expired
US8795912B2 Systems and processes for operating fuel cell systems Emerging Cross-Sectional Technologies 0 Active
US8563186B2 Systems and processes of operating fuel cell systems Emerging Cross-Sectional Technologies 0 Active
US8632922B2 Systems and processes for operating fuel cell systems Emerging Cross-Sectional Technologies 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.