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Thermal expansion absorber
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Patent number 4,785,211
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Issue date Nov 15, 1988
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Dresser Industries, Inc.
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John W. Erickson
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Impeller mounting apparatus
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Patent number 4,767,233
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Issue date Aug 30, 1988
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Dresser Industries, Inc.
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John W. Erickson
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Pitot tube for pitot type centrifugal pump
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Patent number 4,674,950
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Issue date Jun 23, 1987
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Dresser Industries, Inc.
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John W. Erickson
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Lube oil ring pump
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Patent number 4,591,024
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Issue date May 27, 1986
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Dresser Industries, Inc.
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John W. Erickson
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Surface power unit for a downhole pump
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Patent number 4,436,492
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Issue date Mar 13, 1984
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Kobe, Inc.
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Daniel G. Peterson
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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-
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Jet electric pump
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Patent number 4,381,175
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Issue date Apr 26, 1983
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Kobe, Inc.
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John W. Erickson
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E21 - EARTH DRILLING MINING
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Rotary gas/liquid separator
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Patent number 4,333,748
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Issue date Jun 8, 1982
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Baker International Corporation
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John W. Erickson
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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High specific speed rotary chamber pump
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Patent number 4,322,199
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Issue date Mar 30, 1982
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Kobe, Inc.
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John W. Erickson
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Centrifuge apparatus
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Patent number 4,299,352
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Issue date Nov 10, 1981
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Kobe, Inc.
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John W. Erickson
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B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
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Turbo pump gas compressor
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Patent number 4,292,011
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Issue date Sep 29, 1981
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Kobe, Inc.
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John W. Erickson
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E21 - EARTH DRILLING MINING
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-
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Oil drying system for motors
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Patent number 4,286,185
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Issue date Aug 25, 1981
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Kobe, Inc.
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John W. Erickson
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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High pressure centrifugal pump
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Patent number 4,281,962
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Issue date Aug 4, 1981
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Kobe, Inc.
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John W. Erickson
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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