Brian Christopher Leuenhagen

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Clarkston, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Hybrid cam bore sand core with metal chills for cast aluminum block
- Patent number 11,554,413
- Issue date Jan 17, 2023
- GM Global Technology Operations LLC
- Ronald J. Petrus
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method of manufacturing an engine block
- Patent number 10,781,769
- Issue date Sep 22, 2020
- GM Global Technology Operations LLC
- Lokesh Choudhary
- B22 - CASTING POWDER METALLURGY

Patents Applicationslast 30 patents

Information Patent Application
HYBRID CAM BORE SAND CORE WITH METAL CHILLS FOR CAST ALUMINUM BLOCK
- Publication number 20220241851
- Publication date Aug 4, 2022
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Ronald J. Petrus
- B22 - CASTING POWDER METALLURGY
Information Patent Application
METHOD OF MANUFACTURING AN ENGINE BLOCK
- Publication number 20200182188
- Publication date Jun 11, 2020
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Lokesh Choudhary
- B22 - CASTING POWDER METALLURGY