Group 1 - The State Intellectual Property Office of China has granted a patent for a "sand throwing device" to Sinopec Petroleum Engineering Technology Service Co., Ltd. and Sinopec Shengli Oilfield Engineering Co., Ltd. The patent was authorized under announcement number CN223151190U, with an application date of August 2024 [1] - The sand throwing device is designed for offshore construction technology and includes a frame, a hopper, and a discharge door assembly. The device allows for precise sand throwing to meet seabed leveling requirements after pile driving operations [1] - The device features a simple structure and ease of use, with components such as a lifting ear on the frame, a hopper inside the frame, and a discharge door assembly at the bottom of the hopper [1] Group 2 - Sinopec Petroleum Engineering Technology Service Co., Ltd. was established in 1994 and is based in Beijing, primarily engaged in civil engineering and construction. The company has a registered capital of approximately 1.898 billion RMB and has invested in 14 enterprises, participated in 131 bidding projects, and holds 1 trademark and 1,904 patents [2] - Sinopec Shengli Oilfield Engineering Co., Ltd. was founded in 2001 and is located in Dongying City, focusing on building decoration and other construction activities. The company has a registered capital of approximately 20.471 million RMB, has invested in 9 enterprises, participated in 5,000 bidding projects, and holds 6 trademarks and 250 patents [2]
中石化胜利油建取得能实现精准抛沙的抛沙装置专利,实现精准抛沙