Christopher J. Halbfoster

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Greenbrook, NJ, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus and method
- Patent number 4,269,707
- Issue date May 26, 1981
- Ecodyne Corp.
- Donald J. Butterworth
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Purification of liquids with treated filter aid material and active...
- Patent number 4,238,334
- Issue date Dec 9, 1980
- Ecodyne Corporation
- Christopher J. Halbfoster
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Charged filter aid material and ion exchange bed
- Patent number 4,190,532
- Issue date Feb 26, 1980
- Ecodyne Corporation
- Christopher J. Halbfoster
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Mixture of oppositely charged filter aid material
- Patent number 4,177,142
- Issue date Dec 4, 1979
- Ecodyne Corporation
- Christopher J. Halbfoster
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL