Ttimepiece having a driving wheel including a hole with projections disengageable with a crown shaft
US-12405578-B2 · Sep 2, 2025 · US
with clutch wheel {(support and displacement of the winding stem through the case, means for preventing the stem from going too far, fixation G04B37/06)}
with clutch wheel {(support and displacement of the winding stem through the case, means for preventing the stem from going too far, fixation G04B37/06)} · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G04B27/04 |
| Official title | with clutch wheel {(support and displacement of the winding stem through the case, means for preventing the stem from going too far, fixation G04B37/06)} |
| Display label | with clutch wheel {(support and displacement of the winding stem through the case, means for preventing the stem from going too far, fixation G04B37/06)} |
| Total patents | 32 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 2 |
| 2020 | 1 |
| 2021 | 3 |
| 2022 | 6 |
| 2023 | 3 |
| 2024 | 3 |
| 2025 | 9 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Timepiece control device
US-2025244717-A1 · Jul 31, 2025 · US
Hand-setting device for a horological movement
US-2025208577-A1 · Jun 26, 2025 · US
Horological movement comprising a stop-seconds function that can be operated from two separate actuating members
US-12339624-B2 · Jun 24, 2025 · US
Timepiece mechanism
US-12332602-B2 · Jun 17, 2025 · US
Device for selecting timepiece functions
US-12326695-B2 · Jun 10, 2025 · US
Device for selecting timepiece functions
US-12314010-B2 · May 27, 2025 · US
Horological movement comprising a setting and winding mechanism with an internal stop for positioning a winding stem
US-2025147467-A1 · May 8, 2025 · US
Component of a horological movement comprising a joint capable of being locked
US-2025116967-A1 · Apr 10, 2025 · US
Horological movement comprising a display correction mechanism
US-2024176301-A1 · May 30, 2024 · US
Timepiece
US-11960245-B2 · Apr 16, 2024 · US
Pull-out piece indexing device
US-11914329-B2 · Feb 27, 2024 · US
Horological movement comprising a stop-seconds function that can be operated from two separate actuating members
US-2023205138-A1 · Jun 29, 2023 · US
Timepiece
US-2023010996-A1 · Jan 12, 2023 · US
Timepiece
US-11550261-B2 · Jan 10, 2023 · US
Timepiece
US-2022373974-A1 · Nov 24, 2022 · US
Device for selecting timepiece functions
US-2022299942-A1 · Sep 22, 2022 · US
Device for selecting timepiece functions
US-2022283547-A1 · Sep 8, 2022 · US
Timepiece mechanism
US-2022283545-A1 · Sep 8, 2022 · US
Timepiece display correction mechanism
US-11360433-B2 · Jun 14, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G04B27/04?
- CPC G04B27/04 is the Cooperative Patent Classification code for “with clutch wheel {(support and displacement of the winding stem through the case, means for preventing the stem from going too far, fixation G04B37/06)}.”
- How many patents are filed under CPC G04B27/04 (with clutch wheel {(support and displacement of the winding stem through the case, means for preventing the stem from going too far, fixation G04B37/06)})?
- Our database includes 32 publications tagged with this CPC code.
- Is patent activity under CPC G04B27/04 growing?
- Publication counts under this code: 3 in 2024 vs 9 in 2025 (latest complete years).