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Pulse jet fabric filter
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Patent number 4,854,951
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Issue date Aug 8, 1989
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James Howden Australia Pty. Ltd.
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Robert G. Stephenson
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Fabric filter shaker assembly
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Patent number 4,637,826
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Issue date Jan 20, 1987
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James Howden Australia Pty. Limited
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Robert G. Stephenson
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Axial and mixed flow fans and blowers
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Patent number 4,511,308
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Issue date Apr 16, 1985
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James Howden Australia Pty. Limited
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Bruce A. Russell
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Gas cleaning installation
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Patent number 4,465,498
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Issue date Aug 14, 1984
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James Howden Australia Pty. Limited
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Robert G. Stephenson
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Filter apparatus
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Patent number 4,390,353
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Issue date Jun 28, 1983
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James Howden Australia Pty. Limited
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Rodney W. Miljoen
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Air infiltration and mixing device
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Patent number 4,350,100
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Issue date Sep 21, 1982
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James Howden Australia Pty. Limited
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Robert G. Stephenson
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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Clamping means
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Patent number 4,323,378
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Issue date Apr 6, 1982
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James Howden Australia Pty. Limited
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Rodney W. Miljoen
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL