Electronic device having a waterproof structure
US-2016381820-A1 · Dec 29, 2016 · US
Dustproof, splashproof, drip-proof, waterproof, or flameproof casings
Dustproof, splashproof, drip-proof, waterproof, or flameproof casings · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01H9/04 |
| Official title | Dustproof, splashproof, drip-proof, waterproof, or flameproof casings |
| Display label | Dustproof, splashproof, drip-proof, waterproof, or flameproof casings |
| Total patents | 274 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 27 |
| 2016 | 36 |
| 2017 | 24 |
| 2018 | 24 |
| 2019 | 27 |
| 2020 | 30 |
| 2021 | 20 |
| 2022 | 17 |
| 2023 | 24 |
| 2024 | 19 |
| 2025 | 24 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Button retention, assembly, and water sealing
US-9529391-B2 · Dec 27, 2016 · US
Magnetically coupled waterproof hinge with integrated multi-stage button and state detection
US-9529201-B1 · Dec 27, 2016 · US
Enclosures having sloping and convex curved tops
US-2016368655-A1 · Dec 22, 2016 · US
Control device and image display system
US-2016372279-A1 · Dec 22, 2016 · US
Switch device
US-2016358729-A1 · Dec 8, 2016 · US
Lever sealing structure and electric tool provided therewith
US-2016358728-A1 · Dec 8, 2016 · US
Actuator Override Mechanism For Subsea Circuit Breaker
US-2016358735-A1 · Dec 8, 2016 · US
High speed closing switch
US-2016351367-A1 · Dec 1, 2016 · US
Mobile terminal comprising lid unit with key device
US-9510468-B2 · Nov 29, 2016 · US
Hand held appliance
US-2016338465-A1 · Nov 24, 2016 · US
Limit switch
US-9490081-B2 · Nov 8, 2016 · US
Electrical switch
US-9478370-B2 · Oct 25, 2016 · US
Variable speed switch and electric power tool with the variable speed switch mounted thereto
US-9444307-B2 · Sep 13, 2016 · US
Membrane switch assembly for a handpiece for carrying out medical interventions
US-9433424-B2 · Sep 6, 2016 · US
Vacuum circuit breaker under high pressure
US-2016240338-A1 · Aug 18, 2016 · US
Protective case for electronic device
US-9411367-B2 · Aug 9, 2016 · US
Interlock device of ring main unit
US-2016217942-A1 · Jul 28, 2016 · US
Switch device and motor vehicle
US-2016211094-A1 · Jul 21, 2016 · US
Piece of furniture with an electronic switching element for an airliner
US-9391608-B2 · Jul 12, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01H9/04?
- CPC H01H9/04 is the Cooperative Patent Classification code for “Dustproof, splashproof, drip-proof, waterproof, or flameproof casings.”
- How many patents are filed under CPC H01H9/04 (Dustproof, splashproof, drip-proof, waterproof, or flameproof casings)?
- Our database includes 274 publications tagged with this CPC code.
- Is patent activity under CPC H01H9/04 growing?
- Publication counts under this code: 19 in 2024 vs 24 in 2025 (latest complete years).