Chronograph-watch
US-2025306538-A1 · Oct 2, 2025 · US
with the choice of adjustable or varying transmission ratio
with the choice of adjustable or varying transmission ratio · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G04B13/001 |
| Official title | {with the choice of adjustable or varying transmission ratio} |
| Display label | with the choice of adjustable or varying transmission ratio |
| Total patents | 28 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2017 | 4 |
| 2018 | 2 |
| 2019 | 2 |
| 2020 | 2 |
| 2021 | 6 |
| 2022 | 2 |
| 2023 | 4 |
| 2024 | 4 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Horological mechanism with counting chain
US-12153379-B2 · Nov 26, 2024 · US
Winding device, particularly of a horological barrel, fitted with a disconnectable ratchet
US-2024176293-A1 · May 30, 2024 · US
Variable-geometry timepiece display mechanism with resilient hand
US-11886147-B2 · Jan 30, 2024 · US
Variable-geometry timepiece display mechanism with resilient hand
US-11860577-B2 · Jan 2, 2024 · US
Actuation mechanism of flexible display hand driven by a clockwork movement
US-2023418227-A1 · Dec 28, 2023 · US
Timepiece display mechanism comprising at least one resilient hand
US-11841684-B2 · Dec 12, 2023 · US
Horological display mechanism with elastic hand
US-11841685-B2 · Dec 12, 2023 · US
Horological display mechanism with an elastic hand
US-11774909-B2 · Oct 3, 2023 · US
Timepiece display mechanism with a resilient hand
US-11537080-B2 · Dec 27, 2022 · US
Horological mechanism with counting chain
US-2022026851-A1 · Jan 27, 2022 · US
Horological display mechanism with an elastic hand
US-2021373497-A1 · Dec 2, 2021 · US
Horological display mechanism with elastic hand
US-2021373496-A1 · Dec 2, 2021 · US
Variable-geometry timepiece display mechanism with resilient hand
US-2021223740-A1 · Jul 22, 2021 · US
Timepiece resilient hand
US-2021048782-A1 · Feb 18, 2021 · US
Variable-geometry timepiece display mechanism with resilient hand
US-2021026305-A1 · Jan 28, 2021 · US
Timepiece display mechanism with a resilient hand
US-2021011433-A1 · Jan 14, 2021 · US
Timepiece mechanism
US-10606215-B2 · Mar 31, 2020 · US
Timepiece mechanism
US-10599099-B2 · Mar 24, 2020 · US
Timepiece regulating mechanism with optimised magnetic escapement
US-10241475-B2 · Mar 26, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G04B13/001?
- CPC G04B13/001 is the Cooperative Patent Classification code for “with the choice of adjustable or varying transmission ratio.”
- How many patents are filed under CPC G04B13/001 (with the choice of adjustable or varying transmission ratio)?
- Our database includes 28 publications tagged with this CPC code.
- Is patent activity under CPC G04B13/001 growing?
- Publication counts under this code: 4 in 2024 vs 1 in 2025 (latest complete years).