Yuehua Xu

Person

ZhuZhou City, HuNan, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Drill bit nozzle and drill bit
- Patent number 10,975,628
- Issue date Apr 13, 2021
- SEED TECHNOLOGIES CORP., LTD.
- Yuehua Xu
- E21 - EARTH DRILLING MINING
Information Patent Grant
Matrix body PDC drill bit
- Patent number 10,968,705
- Issue date Apr 6, 2021
- SEED TECHNOLOGIES CORP., LTD.
- Yuehua Xu
- E21 - EARTH DRILLING MINING
Information Patent Grant
Metal matrix compositions and methods for manufacturing same
- Patent number 10,941,619
- Issue date Mar 9, 2021
- SEED TECHNOLOGIES CORP., LTD.
- Yuehua Xu
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Alloy drill and manufacturing method thereof
- Patent number 10,697,048
- Issue date Jun 30, 2020
- SEED TECHNOLOGIES CORP., LTD.
- Bin Liu
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Drill bit
- Patent number D875147
- Issue date Feb 11, 2020
- SEED TECHNOLOGIES CORP., LTD.
- Yuehua Xu
- D15 - Machines not elsewhere specified
Information Patent Grant
Composite hard-surface material and preparation method therefor
- Patent number 10,166,636
- Issue date Jan 1, 2019
- SEED TECHNOLOGIES CORP., LTD.
- Cankun Chen
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Wear resistant material, wear resistant impeller and preparation me...
- Patent number 10,107,300
- Issue date Oct 23, 2018
- Zhu Zhou Seed Cemented Carbide Technology Co., Ltd.
- Yuehua Xu
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
Metal Matrix Compositions and Methods for Manufacturing Same
- Publication number 20210164295
- Publication date Jun 3, 2021
- Seed Technologies Corp.,Ltd.
- Yuehua Xu
- B22 - CASTING POWDER METALLURGY
Information Patent Application
MATRIX BODY PDC DRILL BIT
- Publication number 20200024903
- Publication date Jan 23, 2020
- SEED TECHNOLOGIES CORP., LTD.
- Yuehua XU
- E21 - EARTH DRILLING MINING
Information Patent Application
DRILL BIT NOZZLE AND DRILL BIT
- Publication number 20190345775
- Publication date Nov 14, 2019
- SEED TECHNOLOGIES CORP., LTD.
- Yuehua XU
- E21 - EARTH DRILLING MINING
Information Patent Application
ALLOY DRILL AND MANUFACTURING METHOD THEREOF
- Publication number 20180305790
- Publication date Oct 25, 2018
- SEED TECHNOLOGIES CORP., LTD.
- Bin LIU
- E21 - EARTH DRILLING MINING
Information Patent Application
HARD ALLOY FUNCTIONALLY GRADED MATERIAL MOLDING METHOD
- Publication number 20180161879
- Publication date Jun 14, 2018
- SEED TECHNOLOGIES CORP., LTD.
- Yuehua XU
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Metal Matrix Compositions and Methods for Manufacturing Same
- Publication number 20180038167
- Publication date Feb 8, 2018
- Seed Technologies Corp.,Ltd.
- Yuehua Xu
- B33 - ADDITIVE MANUFACTURING TECHNOLOGY
Information Patent Application
Composite Hard-Surface Material and Preparation Method Therefor
- Publication number 20170368645
- Publication date Dec 28, 2017
- SEED TECHNOLOGIES CORP., LTD.
- Cankun CHEN
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
WEAR RESISTANT MATERIAL, WEAR RESISTANT IMPELLER AND PREPARATION ME...
- Publication number 20160245295
- Publication date Aug 25, 2016
- ZHU ZHOU SEED CEMENTED CARBIDE TECHNOLOGY CO., LTD.
- Yuehua Xu
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Person

Patents Grantslast 30 patents

Drill bit nozzle and drill bit

Matrix body PDC drill bit

Metal matrix compositions and methods for manufacturing same

Alloy drill and manufacturing method thereof

Drill bit

Composite hard-surface material and preparation method therefor

Wear resistant material, wear resistant impeller and preparation me...

Patents Applicationslast 30 patents

Metal Matrix Compositions and Methods for Manufacturing Same

MATRIX BODY PDC DRILL BIT

DRILL BIT NOZZLE AND DRILL BIT

ALLOY DRILL AND MANUFACTURING METHOD THEREOF

HARD ALLOY FUNCTIONALLY GRADED MATERIAL MOLDING METHOD

Metal Matrix Compositions and Methods for Manufacturing Same

Composite Hard-Surface Material and Preparation Method Therefor

WEAR RESISTANT MATERIAL, WEAR RESISTANT IMPELLER AND PREPARATION ME...