A method of building automation heat load and user preference inferring occupancy via network systems activity
US-2022418141-A1 · Dec 29, 2022 · US
Testing for incorrect line connections
Testing for incorrect line connections · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G01R31/55 |
| Official title | Testing for incorrect line connections |
| Display label | Testing for incorrect line connections |
| Total patents | 142 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 2 |
| 2017 | 5 |
| 2018 | 2 |
| 2019 | 5 |
| 2020 | 5 |
| 2021 | 12 |
| 2022 | 33 |
| 2023 | 17 |
| 2024 | 33 |
| 2025 | 21 |
| 2026 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Load control device having miswire detection
US-2022381852-A1 · Dec 1, 2022 · US
Engine glow plug disconnection detection method
US-11486344-B2 · Nov 1, 2022 · US
Distributed building automation controllers
US-11490537-B2 · Nov 1, 2022 · US
Digital labeling control system terminals that enable guided wiring
US-11477905-B2 · Oct 18, 2022 · US
Connector connection verification system
US-2022317201-A1 · Oct 6, 2022 · US
Method of Digital Labeling Control System Terminals That Enables Guided Wiring
US-2022312618-A1 · Sep 29, 2022 · US
Method for Checking Load Circuits in a Technical Installation
US-2022299548-A1 · Sep 22, 2022 · US
Thermostat wire detection
US-11441804-B2 · Sep 13, 2022 · US
Determination of phase connections in a power grid
US-2022278527-A1 · Sep 1, 2022 · US
Cable erroneous disconnection prevention system, management apparatus, cable erroneous disconnection prevention method, and program
US-2022254248-A1 · Aug 11, 2022 · US
Aircraft brake control system
US-2022176934-A1 · Jun 9, 2022 · US
Control system and method for detecting ground fault
US-11300629-B2 · Apr 12, 2022 · US
Control System Having an Adjacent Electronic Display for Auto Labeling and Guided Wiring
US-2022066432-A1 · Mar 3, 2022 · US
Building Automation Programming Using UI Representations of Physical Models
US-2022067230-A1 · Mar 3, 2022 · US
Automated Point Mapping Generation
US-2022067227-A1 · Mar 3, 2022 · US
Controller With Moveable Interactive Screen
US-2022066722-A1 · Mar 3, 2022 · US
Automated Line Testing
US-2022070293-A1 · Mar 3, 2022 · US
Digital labeling control system terminals that enable guided wiring
US-2022067261-A1 · Mar 3, 2022 · US
Perceptible Indicators Of Wires Being Attached Correctly To Controller
US-2022069863-A1 · Mar 3, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G01R31/55?
- CPC G01R31/55 is the Cooperative Patent Classification code for “Testing for incorrect line connections.”
- How many patents are filed under CPC G01R31/55 (Testing for incorrect line connections)?
- Our database includes 142 publications tagged with this CPC code.
- Is patent activity under CPC G01R31/55 growing?
- Publication counts under this code: 33 in 2024 vs 21 in 2025 (latest complete years).