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Rotating heat exchanger
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Patent number 6,908,533
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Issue date Jun 21, 2005
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Ovation Products Corporation
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William H. Zebuhr
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F28 - HEAT EXCHANGE IN GENERAL
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Cycled-concentration distiller
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Patent number 6,689,251
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Issue date Feb 10, 2004
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Ovation Products Corporation
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William H. Zebuhr
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Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
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Rotating compressor
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Patent number 6,592,338
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Issue date Jul 15, 2003
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Ovation Products Corporation
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William H. Zebuhr
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Reciprocating low pressure ratio compressor
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Patent number 6,328,536
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Issue date Dec 11, 2001
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Ovation Products Corporation
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William Zebuhr
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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System for processing waste water
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Patent number 6,319,408
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Issue date Nov 20, 2001
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Ovation Products Corporation
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William H. Zebuhr
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C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Rotating plate heat exchanger
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Patent number 6,261,419
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Issue date Jul 17, 2001
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Ovation Products Corporation
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William H. Zebuhr
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F28 - HEAT EXCHANGE IN GENERAL
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Rotating plate heat exchanger
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Patent number 6,238,524
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Issue date May 29, 2001
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Ovation Products Corporation
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William H. Zebuhr
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F28 - HEAT EXCHANGE IN GENERAL
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77032137 - ZANAQUA
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Serial number 77032137
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Registration number 3505808
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Filing date Oct 30, 2006
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Ovation Products Corporation
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11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes