Radio data communication system and method
US-2024223236-A1 · Jul 4, 2024 · US
Protocol engines
Protocol engines · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H04L69/12 |
| Official title | Protocol engines |
| Display label | Protocol engines |
| Total patents | 531 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 48 |
| 2016 | 59 |
| 2017 | 37 |
| 2018 | 56 |
| 2019 | 75 |
| 2020 | 57 |
| 2021 | 45 |
| 2022 | 45 |
| 2023 | 49 |
| 2024 | 30 |
| 2025 | 26 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method of extracting data from packets and an apparatus thereof
US-9516145-B2 · Dec 6, 2016 · US
Method and Computing Device for Selecting Protocol Stack
US-2016239337-A1 · Aug 18, 2016 · US
Accelerator system for use with secure data storage
US-9411524-B2 · Aug 9, 2016 · US
Regular expression processing automaton
US-9398033-B2 · Jul 19, 2016 · US
Protocol for layer two multiple network links tunnelling
US-9369550-B2 · Jun 14, 2016 · US
Efficient application recognition in network traffic
US-9356844-B2 · May 31, 2016 · US
Network interface device having general-purpose computing capability
US-9350828-B2 · May 24, 2016 · US
Network controller-sideband interface port controller
US-2016134560-A1 · May 12, 2016 · US
Network communication protocol processing optimization system
US-2016080530-A1 · Mar 17, 2016 · US
Scheduling system, scheduling method, and recording medium
US-2016077882-A1 · Mar 17, 2016 · US
Systems and methods for handling a multi-connection protocol between a client and server traversing a multi-core system
US-9264293-B2 · Feb 16, 2016 · US
Method and apparatus for load balancing
US-9225651-B2 · Dec 29, 2015 · US
Method of forming a hash input from packet contents and an apparatus thereof
US-2015373164-A1 · Dec 24, 2015 · US
Method of extracting data from packets and an apparatus thereof
US-2015373163-A1 · Dec 24, 2015 · US
Method of using a unique packet identifier to identify structure of a packet and an apparatus thereof
US-2015373156-A1 · Dec 24, 2015 · US
Method of splitting a packet into individual layers for modification and intelligently stitching layers back together after modification and an apparatus thereof
US-2015373161-A1 · Dec 24, 2015 · US
Efficient packet classification for dynamic containers
US-2015358433-A1 · Dec 10, 2015 · US
Efficient packet classification for dynamic containers
US-2015358434-A1 · Dec 10, 2015 · US
Providing access to message headers
US-9203687-B2 · Dec 1, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H04L69/12?
- CPC H04L69/12 is the Cooperative Patent Classification code for “Protocol engines.”
- How many patents are filed under CPC H04L69/12 (Protocol engines)?
- Our database includes 531 publications tagged with this CPC code.
- Is patent activity under CPC H04L69/12 growing?
- Publication counts under this code: 30 in 2024 vs 26 in 2025 (latest complete years).