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Particle guard ring for mixed flow pump
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Patent number 11,692,551
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Issue date Jul 4, 2023
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Schlumberger Technology Corporation
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Kean Wee Cheah
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Centrifugal pump with adaptive pump stages
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Patent number 11,268,519
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Issue date Mar 8, 2022
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Saudi Arabian Oil Company
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Rafael Adolfo Lastra Melo
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Centrifugal pump with adaptive pump stages
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Patent number 11,268,520
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Issue date Mar 8, 2022
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Saudi Arabian Oil Company
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Rafael Adolfo Lastra Melo
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Particle guard ring for mixed flow pump
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Patent number 11,041,496
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Issue date Jun 22, 2021
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Schlumberger Technology Corporation
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Kean Wee Cheah
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Centrifugal pump with serrated impeller
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Patent number 10,907,647
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Issue date Feb 2, 2021
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Woodward, Inc.
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Dmitriy Baryshnikov
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Centrifugal turbo machinery
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Patent number 10,801,520
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Issue date Oct 13, 2020
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Mitsubishi Heavy Industries, Ltd.
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Takeshi Sano
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F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
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Centrifugal pump with adaptive pump stages
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Patent number 10,533,558
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Issue date Jan 14, 2020
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Saudi Arabian Oil Company
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Rafael Adolfo Lastra Melo
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F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
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Endwall cooling system
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Patent number 10,370,983
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Issue date Aug 6, 2019
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Rolls-Royce Corporation
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John A. Weaver
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Impeller for a centrifugal pump
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Patent number 10,094,222
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Issue date Oct 9, 2018
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SULZER MANAGEMENT AG
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Matti Koivikko
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Variable span splitter blade
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Patent number 9,976,422
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Issue date May 22, 2018
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United Technologies Corporation
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Benjamin E. Fishler
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F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
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Rotor with logarithmic scaled shape
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Patent number 5,934,877
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Issue date Aug 10, 1999
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Jayden David Harman
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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-
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Centrifugal pump
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Patent number 5,503,521
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Issue date Apr 2, 1996
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Tetra Laval Holdings & Finance SA
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Reginald D. Capon
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Deflector means for centrifugal pumps
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Patent number 5,156,522
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Issue date Oct 20, 1992
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Exxon Production Research Company
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Lynn P. Tessier
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Variable geometry centrifugal pump
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Patent number 4,417,849
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Issue date Nov 29, 1983
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The United States of America as represented by the Secretary of the Navy
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Joseph H. Morris
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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3864057
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Patent number 3,864,057
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Issue date Feb 4, 1975
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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3644055
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Patent number 3,644,055
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Issue date Feb 22, 1972
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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2918254
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Patent number 2,918,254
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Issue date Dec 22, 1959
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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2694981
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Patent number 2,694,981
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Issue date Nov 23, 1954
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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2641191
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Patent number 2,641,191
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Issue date Jun 9, 1953
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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2576700
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Patent number 2,576,700
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Issue date Nov 27, 1951
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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1439364
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Patent number 1,439,364
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Issue date Dec 19, 1922
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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1367343
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Patent number 1,367,343
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Issue date Feb 1, 1921
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...