Electrical feedthrough
US-12431267-B2 · Sep 30, 2025 · US
quartz; glass; glass wool; slag wool; vitreous enamels
quartz; glass; glass wool; slag wool; vitreous enamels · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01B3/08 |
| Official title | quartz; glass; glass wool; slag wool; vitreous enamels |
| Display label | quartz; glass; glass wool; slag wool; vitreous enamels |
| Total patents | 63 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 5 |
| 2017 | 6 |
| 2018 | 6 |
| 2019 | 7 |
| 2020 | 5 |
| 2021 | 7 |
| 2022 | 6 |
| 2023 | 10 |
| 2024 | 5 |
| 2025 | 2 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
High frequency AC-powered drain cleaning and inspection apparatus and methods
US-12157995-B1 · Dec 3, 2024 · US
Photosensitive insulating paste and electronic component
US-2024368026-A1 · Nov 7, 2024 · US
Wire-embedded zeolite structures with bare wire leads
US-2024296977-A1 · Sep 5, 2024 · US
Glass powder, dielectric material, sintered body, and high frequency circuit member
US-11939258-B2 · Mar 26, 2024 · US
Dielectric composition and multilayer electronic component including the same
US-11869720-B2 · Jan 9, 2024 · US
High frequency AC-powered drain cleaning and inspection apparatus and methods
US-11846095-B2 · Dec 19, 2023 · US
Flame barrier material for a rechargeable electrical energy storage system
US-2023395281-A1 · Dec 7, 2023 · US
Coaxial Cable With A Braided Si02 Core
US-2023298783-A1 · Sep 21, 2023 · US
Multilayer coil component
US-11756723-B2 · Sep 12, 2023 · US
Crosslinking of loose insulating powders
US-11746264-B2 · Sep 5, 2023 · US
Thermal barrier material for a rechargeable electrical energy storage system
US-11735332-B2 · Aug 22, 2023 · US
Dielectric material having improved DC bias dielectric constant and multilayer ceramic electronic component using the same
US-11715603-B2 · Aug 1, 2023 · US
Multilayer electronic component
US-2023215642-A1 · Jul 6, 2023 · US
Electrical isolator
US-11631510-B2 · Apr 18, 2023 · US
Method of producing printed circuit boards with routing conductors and dielectric strands
US-11596054-B2 · Feb 28, 2023 · US
Conductive polymers with reduced radiative transport and emissivity for insulating materials
US-11518917-B2 · Dec 6, 2022 · US
Glass powder, dielectric material, sintered body, and high frequency circuit member
US-2022289622-A1 · Sep 15, 2022 · US
Thermal barrier material for a rechargeable electrical energy storage system
US-2022262539-A1 · Aug 18, 2022 · US
Electrical feedthrough
US-2022246332-A1 · Aug 4, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01B3/08?
- CPC H01B3/08 is the Cooperative Patent Classification code for “quartz; glass; glass wool; slag wool; vitreous enamels.”
- How many patents are filed under CPC H01B3/08 (quartz; glass; glass wool; slag wool; vitreous enamels)?
- Our database includes 63 publications tagged with this CPC code.
- Is patent activity under CPC H01B3/08 growing?
- Publication counts under this code: 5 in 2024 vs 2 in 2025 (latest complete years).