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Multiple vortex waste separator apparatus
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Patent number 7,998,250
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Issue date Aug 16, 2011
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B/E Aerospace, Inc.
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Mark A. Pondelick
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B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
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Waste removal method for dry toilets
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Patent number 6,101,641
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Issue date Aug 15, 2000
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Robert D. Hawkins
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Dry type toilet system
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Patent number 5,901,385
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Issue date May 11, 1999
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Chin Fu Nian
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Filtering device
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Patent number 5,372,718
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Issue date Dec 13, 1994
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Ghassan W. Zebian
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E03 - WATER SUPPLY SEWERAGE
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Composting toilet
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Patent number 5,303,431
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Issue date Apr 19, 1994
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Lasse Johansson
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C05 - FERTILISERS MANUFACTURE THEREOF
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Dry-operated rotary composting toilet
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Patent number 5,289,595
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Issue date Mar 1, 1994
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Centre d'Experimentation et de Documentation sur les Energies Renouvelables
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Jean-Louis Roche
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C05 - FERTILISERS MANUFACTURE THEREOF
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Flush toilet
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Patent number 5,068,926
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Issue date Dec 3, 1991
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Kaneyuki Suzuki
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Air-vac toilet
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Patent number 4,561,132
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Issue date Dec 31, 1985
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Hyok S. Lew
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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3882552
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Patent number 3,882,552
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Issue date May 13, 1975
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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3873445
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Patent number 3,873,445
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Issue date Mar 25, 1975
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C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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3868731
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Patent number 3,868,731
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Issue date Mar 4, 1975
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C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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3864258
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Patent number 3,864,258
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Issue date Feb 4, 1975
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C07 - ORGANIC CHEMISTRY
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3842445
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Patent number 3,842,445
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Issue date Oct 22, 1974
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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3829909
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Patent number 3,829,909
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Issue date Aug 20, 1974
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E03 - WATER SUPPLY SEWERAGE
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3751735
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Patent number 3,751,735
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Issue date Aug 14, 1973
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E03 - WATER SUPPLY SEWERAGE
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3738489
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Patent number 3,738,489
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Issue date Jun 12, 1973
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E03 - WATER SUPPLY SEWERAGE
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3734291
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Patent number 3,734,291
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Issue date May 22, 1973
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C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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3675774
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Patent number 3,675,774
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Issue date Jul 11, 1972
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E03 - WATER SUPPLY SEWERAGE