The Hunan Provincial Land and Resources Planning Institute applied for invention patent CN 118230237 B, “A Method for Acquiring Evidence Images Based on Construction Machinery Operation Behavior.” The National Intellectual Property Administration granted and announced it on February 24, 2026. The certificate lists March 6, 2024, as the filing date.
A project leader from Hunan YenGear Tech Co., Ltd. is listed as one of the inventors and participated in the patent research and development. The work relates to Industrial Internet of Things and agricultural equipment monitoring.
The patented method uses visual analysis and recognition to monitor construction-machinery operating behavior and collect evidence images for farmland construction, land leveling and water-conservancy projects.
As a technology enterprise focusing on industrial IoT data transmission, control modules and IoT cloud services, YenGear continues to connect core technologies with vertical industry applications. The patent is one example of that work in smart agricultural machinery monitoring.



