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Vacuum steam heating system
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Patent number 11,131,465
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Issue date Sep 28, 2021
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“Energy of Vacuum” Limited Liability Company
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Anton Viktorovich Khan
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F24 - HEATING RANGES VENTILATING
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Steam generator
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Patent number 9,441,856
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Issue date Sep 13, 2016
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Certek Heat Machine Inc.
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Jeremy Barendregt
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F24 - HEATING RANGES VENTILATING
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-
-
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Water heater
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Patent number 6,553,948
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Issue date Apr 29, 2003
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Chin-Kuang Luo
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F24 - HEATING RANGES VENTILATING
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Vacuum boiler type evaporator
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Patent number 5,173,155
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Issue date Dec 22, 1992
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Tokyo Gas Co., Ltd.
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Yoshiaki Miyata
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F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
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-
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3877511
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Patent number 3,877,511
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Issue date Apr 15, 1975
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F24 - HEATING RANGES VENTILATING
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3815552
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Patent number 3,815,552
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Issue date Jun 11, 1974
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F24 - HEATING RANGES VENTILATING
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3674204
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Patent number 3,674,204
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Issue date Jul 4, 1972
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F24 - HEATING RANGES VENTILATING
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3661325
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Patent number 3,661,325
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Issue date May 9, 1972
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F24 - HEATING RANGES VENTILATING
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3304003
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Patent number 3,304,003
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Issue date Feb 14, 1967
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F24 - HEATING RANGES VENTILATING
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3274360
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Patent number 3,274,360
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Issue date Sep 20, 1966
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F24 - HEATING RANGES VENTILATING
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3243575
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Patent number 3,243,575
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Issue date Mar 29, 1966
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F24 - HEATING RANGES VENTILATING
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3237608
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Patent number 3,237,608
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Issue date Mar 1, 1966
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F24 - HEATING RANGES VENTILATING
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2522373
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Patent number 2,522,373
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Issue date Sep 12, 1950
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F24 - HEATING RANGES VENTILATING
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1987182
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Patent number 1,987,182
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Issue date Jan 8, 1935
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F24 - HEATING RANGES VENTILATING
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1495465
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Patent number 1,495,465
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Issue date May 27, 1924
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A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES