Varistor
US-12148553-B2 · Nov 19, 2024 · US
Metal oxide
Metal oxide · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01C7/108 |
| Official title | Metal oxide |
| Display label | Metal oxide |
| Total patents | 76 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 7 |
| 2017 | 5 |
| 2018 | 8 |
| 2019 | 4 |
| 2020 | 8 |
| 2021 | 6 |
| 2022 | 10 |
| 2023 | 5 |
| 2024 | 11 |
| 2025 | 5 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Semiconductor circuit breaker
US-11955954-B2 · Apr 9, 2024 · US
Surge arresting power cable
US-2024087779-A1 · Mar 14, 2024 · US
Multilayer varistor
US-2023326636-A1 · Oct 12, 2023 · US
Multilayer varistor
US-2023245805-A1 · Aug 3, 2023 · US
Method for producing chip varistor and chip varistor
US-11682504-B2 · Jun 20, 2023 · US
Devices and methods related to mov having modified edge
US-2023178273-A1 · Jun 8, 2023 · US
Active snubbers for solid state circuit breakers to improve switch voltage utilization rate
US-2023163587-A1 · May 25, 2023 · US
Metal oxide varistor with reinforced electrodes
US-2022344078-A1 · Oct 27, 2022 · US
Surge protection apparatus and method for substation protective relays
US-2022328216-A1 · Oct 13, 2022 · US
Solid state circuit breaker with reduced clamping voltage
US-2022329063-A1 · Oct 13, 2022 · US
Semiconductor circuit breaker
US-2022209765-A1 · Jun 30, 2022 · US
Method for producing chip varistor and chip varistor
US-2022189665-A1 · Jun 16, 2022 · US
Metal oxide varistor formulation
US-11315709-B2 · Apr 26, 2022 · US
Gas discharge tube having enhanced ratio of leakage path length to gap dimension
US-2022115202-A1 · Apr 14, 2022 · US
Method for producing chip varistor and chip varistor
US-11302464-B2 · Apr 12, 2022 · US
Sensing a high frequency arc noise in an arc fault detection circuit interruption (AFCI) device
US-11239648-B2 · Feb 1, 2022 · US
Spark plug resistance element with increased ZrSiO4 phase fraction
US-11217968-B2 · Jan 4, 2022 · US
Method for producing chip varistor and chip varistor
US-2021327616-A1 · Oct 21, 2021 · US
Sensing a high frequency arc noise in an arc fault detection circuit interruption (afci) device
US-2021305801-A1 · Sep 30, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01C7/108?
- CPC H01C7/108 is the Cooperative Patent Classification code for “Metal oxide.”
- How many patents are filed under CPC H01C7/108 (Metal oxide)?
- Our database includes 76 publications tagged with this CPC code.
- Is patent activity under CPC H01C7/108 growing?
- Publication counts under this code: 11 in 2024 vs 5 in 2025 (latest complete years).