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Heat pump
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Patent number 11,441,794
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Issue date Sep 13, 2022
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YANMAR POWER TECHNOLOGY CO., LTD.
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Norihiro Okuda
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Heat Pump
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Patent number 10,605,466
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Issue date Mar 31, 2020
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Yanmar Co., Ltd.
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Norihiro Okuda
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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3190449
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Patent number 3,190,449
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Issue date Jun 22, 1965
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL