Patentes

Zou Chao Originating from a mechanical design background, he joined Fengsu in 2014, focusing on new product development and contributing to patent designs. Since 2015, he has developed at least six new products annually, receiving acclaim from both new and longstanding clients. His work highlights a commitment to quality and innovation in product development.
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High-Efficiency Inspection Device for Drill Bit Production

High-Efficiency Inspection Device for Drill Bit Production

Li Xiaohuan Li Zhongyong Patents and innovation Zou Chao

[Utility Model] High-efficiency inspection device for drill bit production Authorization Announcement Number:CN216205895UAuthorization Announcement Date:2022.04.05Application Number:2021219046680Application Date:2021.08.16Patentee:Qidong County Fengsu Drilling Tools Co., Ltd.Inventors:Li Xiaohuan; Zou Chao; Li ZhongyongAddress:No. 101 Baihe Group, Baijia Village, Baihe Street Office, Qidong County, Hengyang City, Hunan Province 421600Classification Number:G01B5/08(2006.01)I  Abstract:This utility model relates to the technical field of drill bit production equipment...
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Quality Inspection Device for Drill Bit Production

Quality Inspection Device for Drill Bit Production

Li Xiaohuan Li Zhongyong Patents and innovation Zou Chao

[Utility Model] Quality inspection device for drill bit production Authorization Announcement Number:CN215572737UAuthorization Announcement Date:2022.01.18Application Number:2021220542681Application Date:2021.08.30Patentee:Qidong County Fengsu Drilling Tools Co., Ltd.Inventors:Li Xiaohuan; Zou Chao; Li ZhongyongAddress:No. 101 Baihe Group, Baijia Village, Baihe Street Office, Qidong County, Hengyang City, Hunan Province 421600 Classification Number:G01B11/08(2006.01)I  Abstract:This utility model relates to the technical field of drill bit inspection...
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Diamond Composite Core-Drilling Bit for Easy Advancement

Diamond Composite Core-Drilling Bit for Easy Advancement

Li Xiaohuan Li Zhongyong Patents and innovation Zou Chao

[Utility Model] Diamond composite sheet core-drilling bit for easy advancement Authorization Announcement Number:CN207728312UAuthorization Announcement Date:2018.08.14Application Number:2017215725898Application Date:2017.11.22Patentee:Qidong County Fengsu Drilling Tools Co., Ltd.Inventor:Li Xiaohuan; Zou Chao; Li ZhongyongAddress:No. 178, Nanshan Road, Hongqiao Town, Qidong County, Hengyang City, Hunan Province 421600Classification Number:E21B10/48(2006.01)I Abstract:The utility model discloses a diamond composite sheet core-drilling bit for easy advancement, including a...
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Automatic polishing device for drill bit production

Automatic polishing device for drill bit production

Li Xiaohuan Li Zhongyong Patents and innovation Zou Chao

[Utility Model] Automatic polishing device for drill bit production Authorization Announcement Number:CN215470402UAuthorization Announcement Date:2022.01.11Application Number:2021220542677Application Date:2021.08.30Patentee:Qidong County Fengsu Drilling Tools Co., Ltd.Inventors:Li Xiaohuan; Zou Chao; Li ZhongyongAddress:No. 101 Baihe Group, Baijia Village, Baihe Street Office, Qidong County, Hengyang City, Hunan Province 421600Classification Number:B24B29/04(2006.01)I  Abstract:This utility model pertains to the surface treatment technology field of drill bit...
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High-Strength pdc Drill Bit: Manufacturing Method

High-Strength pdc Drill Bit: Manufacturing Method

Li Xiaohuan Li Zhongyong Patents and innovation Zou Chao

[Invention Announcement] A high-strength diamond drill bit and manufacturing method Application Publication Number:CN112139565AApplication Publication Date:2020.12.29Application Number:2020109160393Application Date:2020.09.03Applicant:Qidong County Fengsu Drilling Tools Co., Ltd.Inventors:Zou Chao; Li Zhongyong; Chen PengAddress:No. 101 Baihe Group, Baijia Village, Baihe Street Office, Qidong County, Hengyang City, Hunan Province 421600Classification Number:B23B51/00(2006.01)I;  Abstract:This invention provides a high-strength diamond drill bit and its manufacturing...
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Composite Geological Drill Bit with Anti-Sand Blocking Features

Composite Geological Drill Bit with Anti-Sand Blocking Features

Li Zhongyong Patents and innovation Zou Chao

[Invention Announcement] A composite geological drill bit with anti-sand blocking features Application Publication Number:CN112177531AApplication Publication Date:2021.01.05Application Number:2020109160478Application Date:2020.09.03Applicant:Qidong County Fengsu Drilling Tools Co., Ltd.Inventors:Zou Chao; Li Zhongyong; Chen PengAddress:No. 101 Baihe Group, Baijia Village, Baihe Street Office, Qidong County, Hengyang City, Hunan Province 421600Classification Number:E21B10/16(2006.01)I; Abstract:This invention provides a composite geological drill bit with anti-sand...
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