Group 1 - The core point of the article is that Guotou Caofeidian Port Co., Ltd. has obtained a patent for a new type of excavator arm, which addresses limitations in current designs, particularly regarding the vulnerability of components to damage and the lack of telescopic functionality [1]. Group 2 - The patent, titled "A Type of Excavator Arm," was granted with the announcement number CN223893442U, and the application date was January 2025 [1]. - The new design includes a rotating mechanism and a telescopic component, which aims to enhance durability and functionality compared to existing excavator arms [1]. - Guotou Caofeidian Port Co., Ltd. was established in 2005 and is primarily engaged in water transportation, with a registered capital of 332 million RMB [1]. - The company has made investments in three enterprises, participated in 5,000 bidding projects, and holds 278 patents along with 41 administrative licenses [1].
国投曹妃甸港口取得挖掘机斗杆专利，解决碎石飞溅造成损坏问题
Jin Rong Jie·2026-02-11 10:21