Robert M. Nelson

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Rosamond, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Dual displacement fluid level control pump
- Patent number 9,777,716
- Issue date Oct 3, 2017
- Richard Nelson
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Method and means for removal of used oil and blending with fuel for...
- Patent number 5,806,472
- Issue date Sep 15, 1998
- Nelson; Robert E.
- Robert M. Nelson
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Sensing pump with improved discrimination between liquids and gases
- Patent number 4,747,300
- Issue date May 31, 1988
- Nelson; Robert M.
- Robert E. Nelson
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Sensors for detection of fluid condition, and control systems utili...
- Patent number 4,496,287
- Issue date Jan 29, 1985
- Nelson; Robert M.
- Robert M. Nelson
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Two reservoir system in which fluid is drawn from one to maintain a...
- Patent number 4,376,449
- Issue date Mar 15, 1983
- Nelson; Robert M.
- Robert M. Nelson
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

Information Patent Application
DUAL PUMP OIL LEVEL SYSTEM AND METHOD
- Publication number 20160215927
- Publication date Jul 28, 2016
- Richard Nelson
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
Dual displacement fluid level control pump
- Publication number 20140369855
- Publication date Dec 18, 2014
- Richard Nelson
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...