Patent · US Expired

Fuel cell and membrane

US6890677B2 · kind B2 · utility

12Cited by
21References
82Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 24, 2002
Grant dateMay 10, 2005
Priority date
Expiry dateAug 21, 2022

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02P70/50
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

Fuel cells and a novel membrane for use in fuel cells and manufacturing processes.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.