Guided wave couplers and methods thereof
US-2018375184-A1 · Dec 27, 2018 · US
Repeater circuits
Repeater circuits · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H04B3/58 |
| Official title | Repeater circuits |
| Display label | Repeater circuits |
| Total patents | 205 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 13 |
| 2017 | 19 |
| 2018 | 28 |
| 2019 | 48 |
| 2020 | 46 |
| 2021 | 12 |
| 2022 | 11 |
| 2023 | 9 |
| 2024 | 5 |
| 2025 | 8 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Apparatus and methods for communicating utilizing an antenna array
US-10148016-B2 · Dec 4, 2018 · US
Method and apparatus for installation and alignment of radio devices
US-2018331720-A1 · Nov 15, 2018 · US
Apparatus and methods for launching electromagnetic waves having a certain electric field structure
US-2018323826-A1 · Nov 8, 2018 · US
Power line communication system and method of auto-commissioning system nodes
US-10122412-B2 · Nov 6, 2018 · US
Guided wave couplers for coupling electromagnetic waves to an outer surface of a transmission medium
US-10096881-B2 · Oct 9, 2018 · US
Method and apparatus that provides fault tolerance in a communication network
US-2018262929-A1 · Sep 13, 2018 · US
Fault tolerant physical layer solution for FOUNDATION FIELDBUS H1 networks or other networks in industrial process control and automation systems
US-10069538-B2 · Sep 4, 2018 · US
Power line communication system and method of auto-commissioning system nodes
US-2018219582-A1 · Aug 2, 2018 · US
Dual-band communication device and method for use therewith
US-2018167130-A1 · Jun 14, 2018 · US
Method and apparatus for surveying remote sites via guided wave communications
US-2018167131-A1 · Jun 14, 2018 · US
Apparatus and methods for launching electromagnetic waves having a certain electric field structure
US-2018167105-A1 · Jun 14, 2018 · US
Method and apparatus that provides fault tolerance in a communication network
US-9998932-B2 · Jun 12, 2018 · US
Multi-feed dielectric antenna system and methods for use therewith
US-2018159240-A1 · Jun 7, 2018 · US
Method and apparatus that provides fault tolerance in a communication network
US-9973416-B2 · May 15, 2018 · US
Method and apparatus for sensing a condition in a transmission medium of electromagnetic waves
US-2018123641-A1 · May 3, 2018 · US
Automatic cable distribution switch apparatus and system, and automatic cable distribution switch method
US-9941968-B2 · Apr 10, 2018 · US
Method and apparatus for launching a wave mode that mitigates interference
US-2018076849-A1 · Mar 15, 2018 · US
Method for Selecting Relay Station in Power Line Network, and Station
US-2018054381-A1 · Feb 22, 2018 · US
Method and apparatus for sensing a condition in a transmission medium of electromagnetic waves
US-9893766-B2 · Feb 13, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H04B3/58?
- CPC H04B3/58 is the Cooperative Patent Classification code for “Repeater circuits.”
- How many patents are filed under CPC H04B3/58 (Repeater circuits)?
- Our database includes 205 publications tagged with this CPC code.
- Is patent activity under CPC H04B3/58 growing?
- Publication counts under this code: 5 in 2024 vs 8 in 2025 (latest complete years).