Todd A. Johnson

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Metamora, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Variable displacement pump with an anti-stiction device
- Patent number 7,509,948
- Issue date Mar 31, 2009
- Caterpillar Inc.
- Jeffrey M. DePayva
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
VARIABLE DISPLACEMENT PUMP WITH AN ANTI-STICTION DEVICE
- Publication number 20090084360
- Publication date Apr 2, 2009
- Caterpillar Inc.
- Jeffrey M. DePayva
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
Multi-stage relief valve having different opening pressures
- Publication number 20080022974
- Publication date Jan 31, 2008
- Caterpillar Inc.
- Alan R. Stockner
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS