Randal S. Aspen

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Oswego, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Control apparatus for a water powered sump pump
- Patent number 9,803,656
- Issue date Oct 31, 2017
- A. Y. McDonald Mfg. Co.
- Randal S. Aspen
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Pump control and method
- Patent number 8,920,131
- Issue date Dec 30, 2014
- A.Y. McDonald Mfg. Co.
- Randal S. Aspen
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Valve controlled spraying system
- Patent number 6,189,807
- Issue date Feb 20, 2001
- Spraying Systems Co.
- Fred A. Miller
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Control valve arrangement for spraying systems
- Patent number 6,036,107
- Issue date Mar 14, 2000
- Spraying System Co.
- Randal S. Aspen
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
CONTROL APPARATUS FOR A WATER POWERED SUMP PUMP
- Publication number 20150354602
- Publication date Dec 10, 2015
- A.Y. McDonald Mfg. Co.
- Randal S. Aspen
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
Pump Control and Method
- Publication number 20120148419
- Publication date Jun 14, 2012
- Randal S. Aspen
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...