George J. Loos

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North Wales, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for indicating the level of a material in a container
- Patent number 5,331,850
- Issue date Jul 26, 1994
- Arkwin Industries Incorporated
- George J. Loos
- G01 - MEASURING TESTING
Information Patent Grant
Recirculation valve with pilot valve
- Patent number 4,967,783
- Issue date Nov 6, 1990
- Keystone International Holdings Corp.
- George Loos
- G05 - CONTROLLING REGULATING
Information Patent Grant
Low pressure recirculation valve
- Patent number 4,941,502
- Issue date Jul 17, 1990
- Keystone International Holdings Corp.
- George Loos
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Automatic recirculation valve
- Patent number 4,779,639
- Issue date Oct 25, 1988
- Keystone International Holdings Corp.
- George J. Loos
- G05 - CONTROLLING REGULATING