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Wind scavenger
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Patent number 10,378,788
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Issue date Aug 13, 2019
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Ibrahim Alatawi
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F24 - HEATING RANGES VENTILATING
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-
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Air filter
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Patent number 8,663,354
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Issue date Mar 4, 2014
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4Energy Ltd
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Patrick Arthur Tindale
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H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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Rotary separator
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Patent number 6,616,840
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Issue date Sep 9, 2003
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Rowe Parsons International B.V.
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Hendrik Arie Boele
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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-
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Scrubber filter
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Patent number 4,787,920
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Issue date Nov 29, 1988
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Donald E. Richard
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Filter, especially air filter
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Patent number 4,655,805
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Issue date Apr 7, 1987
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Industriell Arbetshygien i Soderhamn AB
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Anders Krantz
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Filtering method and apparatus
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Patent number 4,167,482
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Issue date Sep 11, 1979
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Hans Muller
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Filtration method and apparatus
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Patent number 3,977,847
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Issue date Aug 31, 1976
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Brunswick Corporation
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Raymond C. Clark
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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2027906
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Patent number 2,027,906
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Issue date Jan 14, 1936
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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1908334
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Patent number 1,908,334
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Issue date May 9, 1933
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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1760705
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Patent number 1,760,705
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Issue date May 27, 1930
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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1700126
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Patent number 1,700,126
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Issue date Jan 29, 1929
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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741210
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Patent number 741,210
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Issue date Oct 13, 1903
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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655635
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Patent number 655,635
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Issue date Aug 7, 1900
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL