Dave Marshall

Follow

Person

Dallas, TX, US

People

Patents Applicationslast 30 patents

Information Patent Application
STRUCTURAL ARRANGEMENT FOR A DOWN-HOLE TURBINE
- Publication number 20150121868
- Publication date May 7, 2015
- GEOTEK ENERGY, LLC
- Kenneth W. Fryrear
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Application
MAGNETICALLY COUPLED EXPANDER PUMP WITH AXIAL FLOW PATH
- Publication number 20140271270
- Publication date Sep 18, 2014
- GEOTEK ENERGY, LLC
- Michael Pierce
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...