Group 1 - Gree Electric Appliances (000651) has filed an international patent application for a "side brush device and cleaning robot" with application number PCT/CN2025/106406, published internationally on February 19, 2026 [1] - The company has announced a total of 6 international patent applications this year, representing a 62.5% decrease compared to the same period last year [1] - In the first half of 2025, Gree Electric invested 3.918 billion yuan in research and development, which is a year-on-year increase of 10.92% [1]