Zach Steffes

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West Bloomfield, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Process to make a ceramic filter for metal casting
- Patent number 11,992,874
- Issue date May 28, 2024
- GM Global Technology Operations LLC
- Qigui Wang
- B22 - CASTING POWDER METALLURGY

Patents Applicationslast 30 patents

Information Patent Application
PROCESS TO MAKE AND A CERAMIC FILTER FOR METAL CASTING
- Publication number 20220355369
- Publication date Nov 10, 2022
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Qigui Wang
- B22 - CASTING POWDER METALLURGY
Information Patent Application
PROCESS TO MAKE A CERAMIC FILTER FOR METAL CASTING
- Publication number 20220355232
- Publication date Nov 10, 2022
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Qigui Wang
- B22 - CASTING POWDER METALLURGY