Antenna device
US-2020350683-A1 · Nov 5, 2020 · US
using a secondary device in the form of two or more substantially straight conductive elements (log- periodic antennas H01Q11/10; constituting a reflecting surface H01Q19/10)
using a secondary device in the form of two or more substantially straight conductive elements (log- periodic antennas H01Q11/10; constituting a reflecting surface H01Q19/10) · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01Q19/28 |
| Official title | using a secondary device in the form of two or more substantially straight conductive elements (log- periodic antennas H01Q11/10; constituting a reflecting surface H01Q19/10) |
| Display label | using a secondary device in the form of two or more substantially straight conductive elements (log- periodic antennas H01Q11/10; constituting a reflecting surface H01Q19/10) |
| Total patents | 136 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 9 |
| 2017 | 10 |
| 2018 | 9 |
| 2019 | 22 |
| 2020 | 22 |
| 2021 | 20 |
| 2022 | 11 |
| 2023 | 8 |
| 2024 | 6 |
| 2025 | 10 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Antenna device and electronic device including the same
US-2019363458-A1 · Nov 28, 2019 · US
State Prediction Process and Methodology
US-2019356458-A1 · Nov 21, 2019 · US
Antenna and window glass
US-2019326658-A1 · Oct 24, 2019 · US
Vehicle integrated antenna with enhanced beam steering
US-2019280365-A1 · Sep 12, 2019 · US
Mobile communication terminal and case cover
US-10403965-B2 · Sep 3, 2019 · US
Antenna device and electronic device including the same
US-10381749-B2 · Aug 13, 2019 · US
State prediction process and methodology
US-10374779-B2 · Aug 6, 2019 · US
Antenna device and array antenna device
US-10361483-B2 · Jul 23, 2019 · US
Low profile WiFi antenna with a toroidal pattern
US-10340585-B2 · Jul 2, 2019 · US
Antenna feed system
US-10312599-B2 · Jun 4, 2019 · US
Semiconductor package device
US-2019164916-A1 · May 30, 2019 · US
Antenna feed system
US-10297922-B2 · May 21, 2019 · US
Antenna system with planar antenna and directors and methods for use therewith
US-2019131717-A1 · May 2, 2019 · US
Electronic apparatus
US-2019122978-A1 · Apr 25, 2019 · US
Collocated end-fire antenna and low-frequency antenna systems, devices, and methods
US-2019109387-A1 · Apr 11, 2019 · US
Compact radio frequency (rf) communication modules with endfire and broadside antennas
US-2019103682-A1 · Apr 4, 2019 · US
State Prediction Process and Methodology
US-2019089513-A1 · Mar 21, 2019 · US
Antenna and communications device
US-2019058254-A1 · Feb 21, 2019 · US
Antenna package device
US-10199336-B2 · Feb 5, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01Q19/28?
- CPC H01Q19/28 is the Cooperative Patent Classification code for “using a secondary device in the form of two or more substantially straight conductive elements (log- periodic antennas H01Q11/10; constituting a reflecting surface H01Q19/10).”
- How many patents are filed under CPC H01Q19/28 (using a secondary device in the form of two or more substantially straight conductive elements (log- periodic antennas H01Q11/10; constituting a reflecting surface H01Q19/10))?
- Our database includes 136 publications tagged with this CPC code.
- Is patent activity under CPC H01Q19/28 growing?
- Publication counts under this code: 6 in 2024 vs 10 in 2025 (latest complete years).