Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Dual voice coil shutter

Dual voice coil shutter

US Patent 4839679 · Granted Jun 13, 1989

Estimated economic value: $7,623,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Telescoping linear extension robot2024
Method and apparatus for a fireproof wall2022
Over and under linear axis robot2020
Linear wafer drive for handling wafers during semiconductor fabrication2018
Utility meter reporting network2017
Long-life asset tracking2017
Crane boom pointing angle determination2017
Ruggedized electronic enclosure for in-ground installation2017
Determining a crane tilt angle2016
Lifting device efficient load delivery, load monitoring, collision avoidance, an2016
RFID for location of the load on a tower crane2016
Method and apparatus for resonant rotational oscillator2016