David G. Parshall

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Northville, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Pressure filter media mounting assembly
- Patent number 4,738,777
- Issue date Apr 19, 1988
- AMSTED Industries Incorporated
- David G. Parshall
- B30 - PRESSES
Information Patent Grant
Continuous media filter
- Patent number 4,514,301
- Issue date Apr 30, 1985
- AMSTED Industries Incorporated
- David G. Parshall
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
High pressure flat bed filter
- Patent number 4,343,701
- Issue date Aug 10, 1982
- AMSTED Industries Incorporated
- David G. Parshall
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Filtration system with bi-flow filter
- Patent number 4,312,764
- Issue date Jan 26, 1982
- AMSTED Industries Incorporated
- David G. Parshall
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Conveying means for use in filtering devices
- Patent number 4,250,036
- Issue date Feb 10, 1981
- AMSTED Industries Incorporated
- David G. Parshall
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL