Electronically Controlled Mechanical Timepiece
US-2025291317-A1 · Sep 18, 2025 · US
driven by piezoelectric means; driven by magneto-strictive means
driven by piezoelectric means; driven by magneto-strictive means · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G04C3/12 |
| Official title | driven by piezoelectric means; driven by magneto-strictive means |
| Display label | driven by piezoelectric means; driven by magneto-strictive means |
| Total patents | 44 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2017 | 3 |
| 2018 | 1 |
| 2019 | 8 |
| 2020 | 3 |
| 2021 | 4 |
| 2022 | 7 |
| 2023 | 4 |
| 2024 | 7 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Rotary piezoelectric motor, in particular for watchmaking
US-12341443-B2 · Jun 24, 2025 · US
Horological movement provided with an oscillator comprising a piezoelectric spring
US-12282298-B2 · Apr 22, 2025 · US
Horological movement equipped with an oscillator comprising a piezoelectric balance-spring
US-12276944-B2 · Apr 15, 2025 · US
Wearable object, in particular watch bracelet, comprising a power supply device provided with an electromechanical converter
US-12169391-B2 · Dec 17, 2024 · US
Microelectromechanical System for Moving a Mechanical Part in Two Opposite Directions
US-2024243672-A1 · Jul 18, 2024 · US
Shock-resistant piezoelectric rotary motor, in particular for watchmaking
US-2024210889-A1 · Jun 27, 2024 · US
Balance-spring piezoelectric resonator, in particular for a timepiece rotary motor
US-2024213953-A1 · Jun 27, 2024 · US
Piezoelectric double rcc pivot resonator, in particular for horological rotary motors
US-2024210890-A1 · Jun 27, 2024 · US
Piezoelectric resonator with flexible guide, especially for clock rotary motors
US-2024210891-A1 · Jun 27, 2024 · US
Stator, movement, timepiece, method for manufacturing movement and method for manufacturing stator
US-11929640-B2 · Mar 12, 2024 · US
Locking system for a control element of a timepiece
US-11809139-B2 · Nov 7, 2023 · US
Rotary piezoelectric motor, in particular for watchmaking
US-2023198429-A1 · Jun 22, 2023 · US
Linear piezoelectric motor with longer travel
US-11581826-B2 · Feb 14, 2023 · US
Horological movement equipped with an oscillator comprising a piezoelectric balance-spring
US-2023044830-A1 · Feb 9, 2023 · US
Method for adjusting the mean frequency of a time base incorporated in an electronic watch
US-11537087-B2 · Dec 27, 2022 · US
Horological movement provided with an oscillator comprising a piezoelectric spring
US-2022390901-A1 · Dec 8, 2022 · US
Electronic watch
US-11474482-B2 · Oct 18, 2022 · US
Device for rotating a toothed wheel
US-11428298-B2 · Aug 30, 2022 · US
Tuning fork-type piezoelectric vibration piece and tuning fork-type piezoelectric vibrator using the vibration piece
US-11290082-B2 · Mar 29, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G04C3/12?
- CPC G04C3/12 is the Cooperative Patent Classification code for “driven by piezoelectric means; driven by magneto-strictive means.”
- How many patents are filed under CPC G04C3/12 (driven by piezoelectric means; driven by magneto-strictive means)?
- Our database includes 44 publications tagged with this CPC code.
- Is patent activity under CPC G04C3/12 growing?
- Publication counts under this code: 7 in 2024 vs 4 in 2025 (latest complete years).