Louis A. Krempel

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Columbus, IN, US

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Patents Grantslast 30 patents

Information Patent Grant
Exhaust aftertreatment system and method for an internal combustion...
- Patent number 6,820,417
- Issue date Nov 23, 2004
- Analytical Engineering, Inc.
- David F. May
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Method and apparatus to determine flow rate with the introduction o...
- Patent number 6,668,663
- Issue date Dec 30, 2003
- Analytical Engineering, Inc.
- David F. May
- G01 - MEASURING TESTING
Information Patent Grant
Centrifugal filter utilizing a partial vacuum condition to effect r...
- Patent number 6,579,218
- Issue date Jun 17, 2003
- Analytical Engineering, Inc.
- David F. May
- B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
Information Patent Grant
Centrifugal filter for removing soot from engine oil
- Patent number 6,517,475
- Issue date Feb 11, 2003
- Baldwin Filters, Inc.
- Gene W. Brown
- B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...

Patents Applicationslast 30 patents

Information Patent Application
Exhaust aftertreatment system and method for an internal combustion...
- Publication number 20030115860
- Publication date Jun 26, 2003
- David F. May
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Gaseous mass flow measurement device
- Publication number 20020108451
- Publication date Aug 15, 2002
- David F. May
- G01 - MEASURING TESTING
Information Patent Application
Motor driven centrifugal filter
- Publication number 20010012814
- Publication date Aug 9, 2001
- David F. May
- B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...