Gao Neng Environment and 4 other companies jointly apply for patents related to plug installation devices, and the segmented device improves plug seal positioning accuracy and installation convenience.

On March 20, the State Intellectual Property Office’s information shows that Beijing High Energy Times Environmental Technology Co., Ltd., Jiangxi Xinke Environmental Protection High-tech Co., Ltd., Zhuhai New Rainbow Environmental Protection Development Co., Ltd., Jingyuan High Energy Environmental New Materials Technology Co., Ltd., and Chongqing Yao Hui Environmental Protection Co., Ltd. applied for a patent titled “Splittable Piston Seal Positioning and Guiding Installation Device.” The application publication number is CN121670563A, application number CN202610037040.6, published on March 17, 2026. The application was filed on January 12, 2026. Inventors are Xin Gengjia and Dong Wangzi. The patent agency is Beijing Huixinhe Intellectual Property Agency Co., Ltd., with patent agent Lin Congyuan. The classification code is B25B27/00.

Patent Abstract: The invention discloses a splittable piston seal positioning and guiding installation device, including symmetrical upper and lower guide sleeve assemblies that are connected and locked via a locking mechanism. The upper guide sleeve assembly includes an upper guide sleeve with a flat end and an outer end with an upper arc guide surface and an upper inclination angle, and an upper fastening bracket installed on the end face, used to connect with one set of cylinder block base. The lower guide sleeve assembly includes a lower guide sleeve with a flat end and an outer end with a lower arc guide surface and a lower inclination angle, and a lower fastening bracket installed on the end face, used to connect with another set of cylinder block base. The device can effectively improve the positioning accuracy during piston seal installation, enhance sealing performance, prevent oil seepage, and is designed to be splittable for easy installation.

High Energy Environment was established on August 28, 1992, and listed on the Shanghai Stock Exchange on December 29, 2014. Its registered and office addresses are both in Beijing. The company is a leading comprehensive solid waste treatment service provider in China, with full industry chain service capabilities and strong technical strength.

The company’s industry classification is Environmental Protection - Environmental Management - Solid Waste Management, involving biomass energy, waste power generation, medical waste treatment, and related sectors. It mainly focuses on research and application of solid waste pollution control technologies, providing system solutions and engineering contracting services for waste treatment and mining energy fields.

In 2025, High Energy Environment achieved revenue of 14.732 billion RMB, ranking first in the industry, with industry average and median levels. Main business revenue includes resource recycling at 11.899 billion RMB (80.77%), environmental operation services at 1.721 billion RMB (11.68%), and environmental engineering services at 1.112 billion RMB (7.55%). Net profit was 1.039 billion RMB, also ranking first in the industry, matching the industry average and median.

Recent patent applications by Beijing High Energy Times Environmental Technology Co., Ltd.:

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According to Tianyancha data, Jiangxi Xinke Environmental Protection High-tech Co., Ltd. was established on June 13, 2016, with legal representative Li Yewei. It operates in the non-ferrous metal smelting and rolling processing industry, is a medium-sized enterprise with registered capital of 1.5 billion RMB, and registered address in Jinxian Industrial Park, Fuzhou City, Jiangxi Province. The company has invested in 1 enterprise, participated in 57 bidding projects, holds 0 trademarks, 25 patents, and has 205 administrative licenses.

Recent patent applications include:

(Additional patents follow similar listing format.)

Similarly, Zhuhai New Rainbow Environmental Protection Development Co., Ltd. was established on July 11, 2002, with legal representative Peng Huazhen. It operates in ecological protection and environmental management, is a medium-sized enterprise with registered capital of 100 million RMB, located at No. 1, Chisan South Road, Doumen Town, Zhuhai. It has invested in 0 enterprises, participated in 28 tenders, holds 0 trademarks, 9 patents, and has 101 administrative licenses.

Recent patents include:

And for Chongqing Yao Hui Environmental Protection Co., Ltd., established on April 26, 2018, with legal representative Xie Lihua, operating in ecological protection and environmental management, with registered capital of 50 million RMB, located at Changxing Avenue, Tianan District, Chongqing. It has invested in 1 enterprise, participated in 95 tenders, holds 0 trademarks, 23 patents, and 23 administrative licenses.

Selected recent patents:

(Note: The full list continues similarly for each company.)

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