Reverse shell network intrusion detection
US-2017339166-A1 · Nov 23, 2017 · US
by using return channel
by using return channel · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H04L1/12 |
| Official title | by using return channel |
| Display label | by using return channel |
| Total patents | 266 |
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 | 19 |
| 2016 | 30 |
| 2017 | 29 |
| 2018 | 38 |
| 2019 | 37 |
| 2020 | 33 |
| 2021 | 19 |
| 2022 | 16 |
| 2023 | 19 |
| 2024 | 17 |
| 2025 | 6 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Combined reliable and unreliable data transmission
US-2017286943-A1 · Oct 5, 2017 · US
User terminal and processor for performing D2D transmission
US-9781760-B2 · Oct 3, 2017 · US
Wireless control system, and method for monitoring wireless link error
US-2017279670-A1 · Sep 28, 2017 · US
System, method and computer readable medium for communicating with a zigbee device from a peripheral network
US-9749774-B2 · Aug 29, 2017 · US
Method for sending an acknowledgement to an ingress mesh point in a mesh network and a medium access control frame format
US-2017230288-A1 · Aug 10, 2017 · US
Method in a computer system, computer program and data processing system
US-9722628-B2 · Aug 1, 2017 · US
Method and apparatus for performing random access procedure in wireless communication system
US-9699823-B2 · Jul 4, 2017 · US
Device, method and computer readable medium for communication on a zigbee network
US-2017093531-A1 · Mar 30, 2017 · US
Device, method and computer readable medium for communication on a zigbee network
US-9554242-B2 · Jan 24, 2017 · US
HARQ timelines for TDD-FDD carrier aggregation
US-9538565-B2 · Jan 3, 2017 · US
Patch download with improved acknowledge mechanism
US-2016380739-A1 · Dec 29, 2016 · US
Joint Radio Link Control (RLC) Signaling with Network Coding
US-2016381665-A1 · Dec 29, 2016 · US
Methods for aperiodic csi report triggering for flexible subframes in lte tdd eimta systems with dynamic ul-dl reconfiguration
US-2016381587-A1 · Dec 29, 2016 · US
Method and apparatus for indicating channel resource
US-2016374114-A1 · Dec 22, 2016 · US
Method in a computer system, computer program and data processing system
US-2016365871-A1 · Dec 15, 2016 · US
Method and apparatus for transmitting and receiving data in mobile communication system
US-2016352625-A1 · Dec 1, 2016 · US
Systems, methods, and devices for device-to-device discovery
US-9504088-B2 · Nov 22, 2016 · US
Method and apparatus for feedback in mobile communication system
US-2016338052-A1 · Nov 17, 2016 · US
Out-of-band acknowledgement of wireless communication
US-9497717-B2 · Nov 15, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H04L1/12?
- CPC H04L1/12 is the Cooperative Patent Classification code for “by using return channel.”
- How many patents are filed under CPC H04L1/12 (by using return channel)?
- Our database includes 266 publications tagged with this CPC code.
- Is patent activity under CPC H04L1/12 growing?
- Publication counts under this code: 17 in 2024 vs 6 in 2025 (latest complete years).