Nancy K. Smrcka

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Point Richmond, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Lower ash lubricating oil with low cold cranking simulator viscosity
- Patent number 7,687,445
- Issue date Mar 30, 2010
- Chevron U.S.A. Inc.
- John M. Rosenbaum
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Method for using medium-speed diesel engine oil
- Patent number 7,473,346
- Issue date Jan 6, 2009
- Chevron U.S.A., Inc.
- John M. Rosenbaum
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Process for making medium-speed diesel engine oil
- Patent number 7,435,328
- Issue date Oct 14, 2008
- Chevron U.S.A. Inc.
- John M. Rosenbaum
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Medium speed diesel engine oil
- Patent number 7,374,658
- Issue date May 20, 2008
- Chevron Corporation
- John M. Rosenbaum
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Chlorine-free diesel engine lubricating composition
- Patent number 5,370,805
- Issue date Dec 6, 1994
- Chevron Research and Technology Company, a division of Chevron U.S.A. Inc.
- Nancy K. Smrcka
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR USING MEDIUM-SPEED DIESEL ENGINE OIL
- Publication number 20080110798
- Publication date May 15, 2008
- John M. Rosenbaum
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
PROCESS FOR MAKING MEDIUM-SPEED DIESEL ENGINE OIL.
- Publication number 20080113885
- Publication date May 15, 2008
- John M. Rosenbaum
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
Lower ash lubricating oil with low cold cranking simulator viscosity
- Publication number 20060293193
- Publication date Dec 28, 2006
- Chevron U.S.A. Inc.
- John M. Rosenbaum
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
Medium speed diesel engine oil
- Publication number 20060247138
- Publication date Nov 2, 2006
- Chevron U.S.A. Inc.
- John M. Rosenbaum
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...