Alden C. Sprague

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Huntington Station, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Vacuum activated power tower
- Patent number 8,544,492
- Issue date Oct 1, 2013
- Alden C. Sprague
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Vacuum activated closed loop system
- Patent number 8,066,027
- Issue date Nov 29, 2011
- Alden C. Sprague
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

Information Patent Application
VACUUM ACTIVATED POWER TOWER
- Publication number 20120068367
- Publication date Mar 22, 2012
- Alden C. Sprague
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
VACUUM ACTIVATED CLOSED LOOP SYSTEM
- Publication number 20100071780
- Publication date Mar 25, 2010
- Alden C. Sprague
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...