Dielectric filter
US-2017365902-A1 · Dec 21, 2017 · US
Electricity
Electricity · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01P1/2002 |
| Official title | — |
| Display label | Electricity (mapped technology topic) |
| Total patents | 329 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 30 |
| 2016 | 21 |
| 2017 | 19 |
| 2018 | 36 |
| 2019 | 35 |
| 2020 | 30 |
| 2021 | 40 |
| 2022 | 41 |
| 2023 | 19 |
| 2024 | 31 |
| 2025 | 20 |
| 2026 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Dielectric resonator, dielectric filter, and fabrication method
US-2017365904-A1 · Dec 21, 2017 · US
Resonator, filter, and communication device
US-2017309982-A1 · Oct 26, 2017 · US
Radio-Frequency Filter
US-2017263996-A1 · Sep 14, 2017 · US
Rod-Switched Tunable Filter
US-2017237142-A1 · Aug 17, 2017 · US
Artificial dielectric resonator and artificial dielectric filter using the same
US-9673500-B2 · Jun 6, 2017 · US
Dielectric waveguide filter with cross-coupling RF signal transmission structure
US-9666921-B2 · May 30, 2017 · US
Dielectric line and electronic component
US-9601816-B2 · Mar 21, 2017 · US
Dielectric waveguide comprised of a core surrounded by a cladding and forming integrated periodical structures
US-9601820-B2 · Mar 21, 2017 · US
Multi-Band RF Monoblock Filter
US-2016372810-A1 · Dec 22, 2016 · US
Isolation devices that pass coupler output signals
US-9520630-B2 · Dec 13, 2016 · US
Dielectric waveguide (DWG) filter having curved first and second DWG branches where the first branch forms a delay line that rejoins the second branch
US-9515363-B2 · Dec 6, 2016 · US
Dielectric Waveguide Filter with Direct Coupling and Alternative Cross-Coupling
US-2016336632-A1 · Nov 17, 2016 · US
RF Dielectric Waveguide Duplexer Filter Module
US-2016308264-A1 · Oct 20, 2016 · US
RF duplexer filter module with waveguide filter assembly
US-9466864-B2 · Oct 11, 2016 · US
Dielectric resonator, dielectric filter, and communication apparatus
US-2016294034-A1 · Oct 6, 2016 · US
Resonator filter
US-2016294030-A1 · Oct 6, 2016 · US
Integrated multi-band bandpass multiplexer based on dielectric resonators
US-2016294031-A1 · Oct 6, 2016 · US
Dielectric-filled surface-mounted waveguide devices and methods for coupling microwave energy
US-2016261015-A1 · Sep 8, 2016 · US
Dielectric Resonator and Dielectric Filter
US-2016261016-A1 · Sep 8, 2016 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01P1/2002?
- CPC H01P1/2002 is the Cooperative Patent Classification code for “Electricity.”
- How many patents are filed under CPC H01P1/2002 (Electricity)?
- Our database includes 329 publications tagged with this CPC code.
- Is patent activity under CPC H01P1/2002 growing?
- Publication counts under this code: 31 in 2024 vs 20 in 2025 (latest complete years).