Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Solid polymer electrolyte fuel cell

Solid polymer electrolyte fuel cell

US Patent 6045934 · Granted Apr 4, 2000

Estimated economic value: $92,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Exhaust gas processing apparatus2019
Exhaust gas processing apparatus2018
Power converter for railroad vehicle2018
Solid polymer electrolyte fuel cell1999