Patents/Inventors

Weifeng Du

ZhengzhouCN13 patents

19 Patents

USD10688842025
Polycrystalline Diamond Compact with a Raised Parallelogram Surface and a Groove Formed Therein
SF DIAMOND CO., Ltd.
0 cites
USD10577792025
Polycrystalline Diamond Compact with a Raised Surface and Groove Therein
SF Diamond Co., Ltd
0 cites
USD10577802025
Polycrystalline Diamond Compact with a Tripartite Raised Surface
SF Diamond Co., Ltd.
0 cites
US121686082024
Polycrystalline Diamond Compact Table with Polycrystalline Diamond Extensions Therefrom
SF Diamond Co., Ltd.
0 cites
US121038532024
Polycrystalline Diamond Compact Table with Polycrystalline Diamond Extensions Therefrom
SF Diamond Co., Ltd.
0 cites
USD10269802024
Polycrystalline Diamond Compact with a Raised Surface and Groove Therein
SF DIAMOND CO., Ltd.
0 cites
USD10269812024
Polycrystalline Diamond Compact with a Tripartite Raised Surface
SF DIAMOND CO., Ltd.
0 cites
US118736842024
Polycrystalline Diamond Compact
SF DIAMOND CO., Ltd.
0 cites
USD10060732023
Polycrystalline Diamond Compact with a Raised Surface Sloping to a Peripheral Extension
SF DIAMOND CO., Ltd.
0 cites
USD10060742023
Polycrystalline Diamond Compact with a Raised Triangular Structure
SF DIAMOND CO., Ltd.
0 cites
US117729772023
Polycrystalline Diamond Compact Table with Polycrystalline Diamond Extensions Therefrom
SF Diamond Co., Ltd.
0 cites
USD09972192023
Polycrystalline Diamond Compact with a Double-layer Structure
SF DIAMOND CO., Ltd.
0 cites
USD09964822023
Polycrystalline Diamond Compact with a Raised Surface Sloping to a Peripheral Extension
SF DIAMOND CO., Ltd.
0 cites
USD09964832023
Polycrystalline Diamond Compact with a Raised Triangular Structure
SF DIAMOND CO., Ltd.
0 cites
USD09898262023
Drill Bit
SF DIAMOND CO., Ltd.
0 cites
USD09898272023
Drill Bit
SF DIAMOND CO., Ltd.
0 cites
USD09826312023
Drill Bit
SF DIAMOND CO., Ltd.
0 cites
USD09826322023
Drill Bit
SF DIAMOND CO., Ltd.
0 cites
USD09820462023
Drill Bit
SF DIAMOND CO., Ltd.
0 cites