David Charles Klemstine

Follow

Person

Lake Orion, MI, US

People

Patents Grantslast 30 patents

Information Patent Grant
Lightweight nodular iron crankshaft for heavy duty engine
- Patent number 12,044,270
- Issue date Jul 23, 2024
- GM Global Technology Operations LLC
- David C. Klemstine
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
System and method of making a crankshaft with alternate materials
- Patent number 11,619,255
- Issue date Apr 4, 2023
- GM Global Technology Operations LLC
- David C. Klemstine
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Intake manifold
- Patent number 8,800,524
- Issue date Aug 12, 2014
- GM Global Technology Operations LLC
- Wayne Groleau
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents

Information Patent Application
LIGHTWEIGHT NODULAR IRON CRANKSHAFT FOR HEAVY DUTY ENGINE
- Publication number 20230304529
- Publication date Sep 28, 2023
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- David C. Klemstine
- B22 - CASTING POWDER METALLURGY
Information Patent Application
INTAKE MANIFOLD
- Publication number 20110277717
- Publication date Nov 17, 2011
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Wayne Groleau
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS