David E. Duba

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Shelbyville, IN, US

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Patents Grantslast 30 patents

Information Patent Grant
Glow plug
- Patent number 6,878,903
- Issue date Apr 12, 2005
- Fleming Circle Associates, LLC
- David E. Duba
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Hot tip glow plug and method for making
- Patent number 5,251,589
- Issue date Oct 12, 1993
- Wellman Automotive Products, Inc.
- David E. Duba
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents

Information Patent Application
Fluid heater with integral heater element ground connections
- Publication number 20050047768
- Publication date Mar 3, 2005
- VALEO ELECTRICAL SYSTEMS, INC.
- Karl-Heinz Kuebler
- B60 - VEHICLES IN GENERAL
Information Patent Application
Glow plug
- Publication number 20040206742
- Publication date Oct 21, 2004
- Fleming Circle Associates, LLC
- David E. Duba
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES