Switch device and operation device
US-11454754-B2 · Sep 27, 2022 · US
Distinguishing marks on switches, e.g. for indicating switch location in the dark; Adaptation of switches to receive distinguishing marks
Distinguishing marks on switches, e.g. for indicating switch location in the dark; Adaptation of switches to receive distinguishing marks · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01H9/18 |
| Official title | Distinguishing marks on switches, e.g. for indicating switch location in the dark; Adaptation of switches to receive distinguishing marks |
| Display label | Distinguishing marks on switches, e.g. for indicating switch location in the dark; Adaptation of switches to receive distinguishing marks |
| Total patents | 92 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 7 |
| 2017 | 9 |
| 2018 | 10 |
| 2019 | 7 |
| 2020 | 8 |
| 2021 | 8 |
| 2022 | 11 |
| 2023 | 9 |
| 2024 | 3 |
| 2025 | 14 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Toggle switch and variable actuator control
US-11394181-B2 · Jul 19, 2022 · US
Electronic device and nob module thereof
US-2022216020-A1 · Jul 7, 2022 · US
Illumination device
US-11365868-B2 · Jun 21, 2022 · US
Switch having a position indicator
US-2022181097-A1 · Jun 9, 2022 · US
Illumination device
US-2021388971-A1 · Dec 16, 2021 · US
Button with illumination ring
US-2021366670-A1 · Nov 25, 2021 · US
Button with illumination ring
US-11107648-B2 · Aug 31, 2021 · US
Switch structure and manufacturing method therefor
US-2021261049-A1 · Aug 26, 2021 · US
Device and operation device
US-2021247558-A1 · Aug 12, 2021 · US
Switch device
US-11024472-B2 · Jun 1, 2021 · US
Indicators for industrial devices
US-2021090469-A1 · Mar 25, 2021 · US
COB light has even brightness illumination
US-10935195-B1 · Mar 2, 2021 · US
Controller
US-10863228-B2 · Dec 8, 2020 · US
Button with illumination ring
US-2020381191-A1 · Dec 3, 2020 · US
Keyboard key structure and method of manufacturing a keycap of a keyboard key
US-10825621-B2 · Nov 3, 2020 · US
Flat wall switch assembly
US-2020328052-A1 · Oct 15, 2020 · US
Switch device
US-2020312580-A1 · Oct 1, 2020 · US
Knob with display function
US-10790101-B2 · Sep 29, 2020 · US
Toggle switch and variable actuator control
US-2020161841-A1 · May 21, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01H9/18?
- CPC H01H9/18 is the Cooperative Patent Classification code for “Distinguishing marks on switches, e.g. for indicating switch location in the dark; Adaptation of switches to receive distinguishing marks.”
- How many patents are filed under CPC H01H9/18 (Distinguishing marks on switches, e.g. for indicating switch location in the dark; Adaptation of switches to receive distinguishing marks)?
- Our database includes 92 publications tagged with this CPC code.
- Is patent activity under CPC H01H9/18 growing?
- Publication counts under this code: 3 in 2024 vs 14 in 2025 (latest complete years).