Explosion management display and methods thereof
US-2022397433-A1 · Dec 15, 2022 · US
Explosion-proof cases
Explosion-proof cases · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01H9/042 |
| Official title | {Explosion-proof cases} |
| Display label | Explosion-proof cases |
| Total patents | 90 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 4 |
| 2017 | 7 |
| 2018 | 3 |
| 2019 | 14 |
| 2020 | 7 |
| 2021 | 9 |
| 2022 | 14 |
| 2023 | 14 |
| 2024 | 9 |
| 2025 | 5 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Compliant, hazardous environment circuit protection devices, systems and methods
US-11527882-B2 · Dec 13, 2022 · US
Circuit protection devices, systems and methods for explosive environment compliance
US-2022328262-A1 · Oct 13, 2022 · US
Actuator assembly for electrical switches housed in an enclosure
US-11462368-B2 · Oct 4, 2022 · US
Hazardous location compliant circuit protection devices, systems and methods with safety lockout/tagout components
US-11456142-B2 · Sep 27, 2022 · US
Compliant, hazardous environment circuit protection devices, systems and methods
US-2022200267-A1 · Jun 23, 2022 · US
Configurable modular hazardous location compliant ciruit protection devices, systems and methods
US-2022190594-A1 · Jun 16, 2022 · US
Pyrotechnic device with plastic housing
US-11342145-B2 · May 24, 2022 · US
Rupture resistant relay
US-11335520-B2 · May 17, 2022 · US
Circuit protection devices, systems and methods for explosive environment compliance
US-11270854-B2 · Mar 8, 2022 · US
Finger safe cover for a terminal of an electrical switching device
US-2022059300-A1 · Feb 24, 2022 · US
Compliant, hazardous environment circuit protection devices, systems and methods
US-11239652-B2 · Feb 1, 2022 · US
Pyrotechnic device with plastic housing
US-2022028638-A1 · Jan 27, 2022 · US
Pyrotechnic device with riveted housing
US-2021407752-A1 · Dec 30, 2021 · US
Enclosure arrangements; components; and methods
US-2021367413-A1 · Nov 25, 2021 · US
Rupture resistant relay
US-2021358696-A1 · Nov 18, 2021 · US
A2l compliant contactor
US-2021247096-A1 · Aug 12, 2021 · US
Enclosure arrangements; components; and methods
US-11081868-B2 · Aug 3, 2021 · US
Mechanical spark containment for disconnector
US-2021234359-A1 · Jul 29, 2021 · US
Dual contactor electrical panelboard assembly, systems and methods
US-2021184438-A1 · Jun 17, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01H9/042?
- CPC H01H9/042 is the Cooperative Patent Classification code for “Explosion-proof cases.”
- How many patents are filed under CPC H01H9/042 (Explosion-proof cases)?
- Our database includes 90 publications tagged with this CPC code.
- Is patent activity under CPC H01H9/042 growing?
- Publication counts under this code: 9 in 2024 vs 5 in 2025 (latest complete years).