Darrel H. Meffert

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Sparland, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Double bowl piston
- Patent number 7,185,614
- Issue date Mar 6, 2007
- Caterpillar Inc.
- Darrel Henry Meffert
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Volume reducer for pressurizing engine hydraulic system
- Patent number 6,604,508
- Issue date Aug 12, 2003
- Caterpillar Inc.
- Darrel H. Meffert
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents

Information Patent Application
Exhaust particulate filter for a machine engine system and assembly...
- Publication number 20080236118
- Publication date Oct 2, 2008
- Robert L. Meyer
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
Double bowl piston
- Publication number 20060090726
- Publication date May 4, 2006
- Caterpillar Inc.
- Darrel Henry Meffert
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Volume reducer for pressurizing engine hydraulic system
- Publication number 20030041841
- Publication date Mar 6, 2003
- Darrel H. Meffert
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS