Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Perpetual calendar watch having two motors

Perpetual calendar watch having two motors

US Patent 4733384 · Granted Mar 22, 1988

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Analogue display device including a planetary gear device2013
Resonator mounted in a case incorporating a watch module2012
Arrangement for the mechanical interfacing of a MEMS micromotor with a clock whe2010
Timepiece including a dial made of semiconductor material2010
Analogue display member made of crystalline material, timepiece fitted therewith2009
Assembly element including two series of elastic structures and timepiece fitted2009
Assembly element including fork shaped elastic structures and timepiece includin2009
MEMS micromotor and timepiece equipped with this micromotor2009
Drive module comprising an MEMS micromotor, process for the production of this m2008
Assembly element including two superposed strip shaped elastic structures and ti2008
Regulated low power control system for electrostatic actuators2008
System for automatically setting a portable object with a clock function2005