Fastening structure and keyboard device
US-12305685-B2 · May 20, 2025 · US
Actions
Actions · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G10C3/16 |
| Official title | Actions |
| Display label | Actions |
| Total patents | 46 |
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 | 4 |
| 2017 | 7 |
| 2018 | 5 |
| 2019 | 12 |
| 2020 | 4 |
| 2021 | 3 |
| 2022 | 1 |
| 2023 | 8 |
| 2024 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Piano including drop action
US-2024331662-A1 · Oct 3, 2024 · US
Fastening Structure and Keyboard Device
US-2023323911-A1 · Oct 12, 2023 · US
Keyboard device
US-11776512-B2 · Oct 3, 2023 · US
Keyboard device
US-11776511-B2 · Oct 3, 2023 · US
Fastening structure and keyboard device
US-11767873-B2 · Sep 26, 2023 · US
Rotation mechanism
US-2023087303-A1 · Mar 23, 2023 · US
Keyboard device
US-2023029113-A1 · Jan 26, 2023 · US
Keyboard device
US-2023016374-A1 · Jan 19, 2023 · US
Rotation mechanism and keyboard apparatus
US-11545119-B2 · Jan 3, 2023 · US
Stopper rail for silent piano
US-11250820-B2 · Feb 15, 2022 · US
Stopper rail for silent piano
US-2021304710-A1 · Sep 30, 2021 · US
Rotation mechanism and keyboard apparatus
US-2021241725-A1 · Aug 5, 2021 · US
Key assembly and keyboard apparatus
US-10984761-B2 · Apr 20, 2021 · US
Key assembly and keyboard apparatus
US-2020410964-A1 · Dec 31, 2020 · US
Keyboard apparatus
US-10672374-B2 · Jun 2, 2020 · US
Hammer assembly, keyboard instrument, and hammer
US-10636394-B2 · Apr 28, 2020 · US
Fastening Structure and Keyboard Device
US-2020011363-A1 · Jan 9, 2020 · US
Hammer assembly, keyboard instrument, and hammer
US-2019362692-A1 · Nov 28, 2019 · US
Action of grand piano
US-10446121-B1 · Oct 15, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G10C3/16?
- CPC G10C3/16 is the Cooperative Patent Classification code for “Actions.”
- How many patents are filed under CPC G10C3/16 (Actions)?
- Our database includes 46 publications tagged with this CPC code.
- Is patent activity under CPC G10C3/16 growing?
- Publication counts under this code: 1 in 2024 vs 1 in 2025 (latest complete years).