System and method for offloading selected number of users
US-2024334247-A1 · Oct 3, 2024 · US
Arrangements for switching distribution systems
Arrangements for switching distribution systems · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H04H20/26 |
| Official title | Arrangements for switching distribution systems |
| Display label | Arrangements for switching distribution systems |
| Total patents | 421 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 59 |
| 2016 | 53 |
| 2017 | 52 |
| 2018 | 38 |
| 2019 | 47 |
| 2020 | 46 |
| 2021 | 37 |
| 2022 | 25 |
| 2023 | 33 |
| 2024 | 11 |
| 2025 | 16 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Systems and methods for controlling media players in a synchrony group
US-9218017-B2 · Dec 22, 2015 · US
Method and apparatus for synchrony group control via one or more independent controllers
US-9213356-B2 · Dec 15, 2015 · US
Obtaining content from remote source for playback
US-9213357-B2 · Dec 15, 2015 · US
System and method for synchronizing operations among a plurality of independently clocked digital data processing devices
US-9195258-B2 · Nov 24, 2015 · US
Method and apparatus for selecting or removing audio component types
US-2015332729-A1 · Nov 19, 2015 · US
System and method for identifying social trends
US-2015332154-A1 · Nov 19, 2015 · US
Method and apparatus for providing audio and playback timing information to a plurality of networked audio devices
US-9189011-B2 · Nov 17, 2015 · US
Method and apparatus to receive, play, and provide audio content in a multi-zone system
US-9189010-B2 · Nov 17, 2015 · US
System and method for synchronizing operations among a plurality of independently clocked digital data processing devices
US-9182777-B2 · Nov 10, 2015 · US
Method and apparatus for causing a device to join a synchrony group
US-9176519-B2 · Nov 3, 2015 · US
Obtaining and transmitting audio
US-9176520-B2 · Nov 3, 2015 · US
Method and apparatus for providing synchrony group status information
US-9170600-B2 · Oct 27, 2015 · US
Method and apparatus for displaying zones in a multi-zone system
US-9164532-B2 · Oct 20, 2015 · US
System and method for synchronizing operations among a plurality of independently clocked digital data processing devices
US-9164531-B2 · Oct 20, 2015 · US
Method and apparatus for obtaining audio content and providing the audio content to a plurality of audio devices in a multi-zone system
US-9164533-B2 · Oct 20, 2015 · US
Media gateway for scheduling content
US-2015296258-A1 · Oct 15, 2015 · US
Method and apparatus for skipping tracks in a multi-zone system
US-9158327-B2 · Oct 13, 2015 · US
Devices and methods for dynamic broadcast
US-2015288990-A1 · Oct 8, 2015 · US
Content selection based on simulcast data
US-9154246-B2 · Oct 6, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H04H20/26?
- CPC H04H20/26 is the Cooperative Patent Classification code for “Arrangements for switching distribution systems.”
- How many patents are filed under CPC H04H20/26 (Arrangements for switching distribution systems)?
- Our database includes 421 publications tagged with this CPC code.
- Is patent activity under CPC H04H20/26 growing?
- Publication counts under this code: 11 in 2024 vs 16 in 2025 (latest complete years).