David P. McLeod

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Muskegon, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Air-assist discharge of filter press cake
- Patent number 5,567,327
- Issue date Oct 22, 1996
- JWI, Inc.
- Joel D. De Haan
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Batch-type sludge drier
- Patent number 5,456,022
- Issue date Oct 10, 1995
- JWI, Inc.
- David P. McLeod
- F26 - DRYING
Information Patent Grant
Air-assist discharge of filter press cake
- Patent number 5,328,617
- Issue date Jul 12, 1994
- JWI, Inc.
- Joel D. De Haan
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Filter press with adaptive automated control arrangement
- Patent number 5,275,740
- Issue date Jan 4, 1994
- JWI, Inc.
- David J. Spyker
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL