Andrew BELL

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Houston, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Wear resistant layer
- Patent number 11,819,913
- Issue date Nov 21, 2023
- Oerlikon Metco (US) Inc.
- Wei Liu
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Drill bit, a method for making a body of a drill bit, a metal matri...
- Patent number 10,760,343
- Issue date Sep 1, 2020
- Oerlikon Metco (US) Inc.
- Zhongming Wang
- B22 - CASTING POWDER METALLURGY

Patents Applicationslast 30 patents

Information Patent Application
COPPER-BASED ALLOY AND METAL MATRIX COMPOSITE FORMED USING SAME
- Publication number 20240167124
- Publication date May 23, 2024
- OERLIKON METCO (US) INC.
- James Nathaniel VECCHIO
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
SPHEROIDAL TUNGSTEN CARBIDE PARTICLES
- Publication number 20230084878
- Publication date Mar 16, 2023
- OERLIKON METCO (US) INC.
- Zhongming Wang
- B22 - CASTING POWDER METALLURGY
Information Patent Application
WEAR RESISTANT LAYER
- Publication number 20200346285
- Publication date Nov 5, 2020
- OERLIKON METCO (US) INC.
- Wei LIU
- B22 - CASTING POWDER METALLURGY
Information Patent Application
A DRILL BIT, A METHOD FOR MAKING A BODY OF A DRILL BIT, A METAL MAT...
- Publication number 20190071931
- Publication date Mar 7, 2019
- Diapac LLC
- Zhongming WANG
- B22 - CASTING POWDER METALLURGY