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Fail-safe cryopump safety purge delay
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Patent number 6,895,766
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Issue date May 24, 2005
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Helix Technology Corporation
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Paul E. Amundsen
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Vaporizing diesel burner
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Patent number 5,474,442
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Issue date Dec 12, 1995
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Advanced Mechanical Technology, Inc.
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Joseph Gertsmann
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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High speed gate valve
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Patent number 5,362,028
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Issue date Nov 8, 1994
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Fenwal Safety Systems, Inc.
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Jordan N. Jacobs
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Vaporizing diesel burner
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Patent number 5,033,957
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Issue date Jul 23, 1991
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Advanced Mechanical Technology, Inc.
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Joseph Gerstmann
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS