Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Small-sized hydroelectric power generating apparatus

Small-sized hydroelectric power generating apparatus

US Patent 6559553 · Granted May 6, 2003

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Planetary gear speed reduction device and driving mechanism2019
Lens driving device2012
Optical unit with shake correcting function and photographic optical device2012
Optical unit with shake correcting function2012
Lens drive device2011
Hydraulic power generating device and manufacturing method therefor2010
Lens driving device and portable equipment with camera2008
Optical switch device2007
Linear actuator and pump device and compressor device therewith2007
Permanent magnet embedded motor2006
Hydraulic power generating device2006
Linear actuator, and pump and compressor devices using the actuator2005