David V. Hart

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Vancouver, CA

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Patents Applicationslast 30 patents

Information Patent Application
AUXILIARY FLOW VALVE SYSTEM AND METHOD FOR MANAGING LOAD FLOW REQUI...
- Publication number 20130205762
- Publication date Aug 15, 2013
- VANGUARD EQUIPMENT, INC.
- David V. Hart
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
WELDING MODULE INCLUDING DUAL CYCLE POWER SYSTEM
- Publication number 20130099558
- Publication date Apr 25, 2013
- VANGUARD EQUIPMENT, INC.
- David V. Hart
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
SYSTEM AND METHOD FOR MANAGING LOAD FLOW REQUIREMENTS FOR A TRACTOR...
- Publication number 20110073192
- Publication date Mar 31, 2011
- David V. Hart
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING