Kenneth Erich Schroeder

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Sanford, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Piston for use in internal combustion engines and method of making...
- Patent number 11,994,085
- Issue date May 28, 2024
- GM Global Technology Operations LLC
- Ronald John Petrus
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Two-piece compression piston ring of an internal combustion engine
- Patent number 8,555,850
- Issue date Oct 15, 2013
- GM Global Technology Operations LLC
- Zheng Ma
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Piston top chamfer design to reduce noise and friction
- Patent number 7,614,339
- Issue date Nov 10, 2009
- GM Global Technology Operations, Inc.
- John B. Fisher
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Piston having asymmetrical pin bore slot placement
- Patent number 7,246,552
- Issue date Jul 24, 2007
- GM Global Technology Operations, Inc.
- Kenneth E. Schroeder
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Piston skirt turning tool and method
- Patent number 6,666,118
- Issue date Dec 23, 2003
- General Motors Corporation
- Kenneth Erich Schroeder
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
PISTON FOR USE IN INTERNAL COMBUSTION ENGINES AND METHOD OF MAKING...
- Publication number 20230417203
- Publication date Dec 28, 2023
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Ronald John Petrus
- B22 - CASTING POWDER METALLURGY
Information Patent Application
TWO-PIECE COMPRESSION PISTON RING OF AN INTERNAL COMBUSTION ENGINE
- Publication number 20130032119
- Publication date Feb 7, 2013
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Zheng Ma
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
PISTON TOP CHAMFER DESIGN TO REDUCE NOISE AND FRICTION
- Publication number 20080148933
- Publication date Jun 26, 2008
- GM Global Technology Operations, Inc.
- JOHN B. FISHER
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
Piston having asymmetrical pin bore slot placement
- Publication number 20070095200
- Publication date May 3, 2007
- Kenneth E. Schroeder
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Piston skirt turning tool and method
- Publication number 20020134206
- Publication date Sep 26, 2002
- Kenneth Erich Schroeder
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC