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Borehole sand catcher
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Patent number 11,867,011
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Issue date Jan 9, 2024
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Fallback LLC
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Philip Head
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Diversion plunger for reciprocating rod pump
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Patent number 10,731,446
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Issue date Aug 4, 2020
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Weatherford Technology Holdings, LLC
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John E. Stachowiak
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Velocity pumping system
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Patent number 9,745,837
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Issue date Aug 29, 2017
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Muth Pump LLC
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Garold M. Muth
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E21 - EARTH DRILLING MINING
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Vaned slinger for pumps
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Patent number 4,684,331
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Issue date Aug 4, 1987
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The Marley-Wylain Company
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Nyle D. LaGrange
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Reciprocating down-hole sand pump
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Patent number 4,661,052
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Issue date Apr 28, 1987
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James L. Ruhle
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Purging apparatus
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Patent number 3,963,073
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Issue date Jun 15, 1976
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Claude C. Laval
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E21 - EARTH DRILLING MINING
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3090324
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Patent number 3,090,324
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Issue date May 21, 1963
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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2863704
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Patent number 2,863,704
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Issue date Dec 9, 1958
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E21 - EARTH DRILLING MINING
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2862457
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Patent number 2,862,457
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Issue date Dec 2, 1958
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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2818818
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Patent number 2,818,818
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Issue date Jan 7, 1958
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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2705460
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Patent number 2,705,460
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Issue date Apr 5, 1955
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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2669940
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Patent number 2,669,940
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Issue date Feb 23, 1954
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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2580660
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Patent number 2,580,660
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Issue date Jan 1, 1952
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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2314662
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Patent number 2,314,662
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Issue date Mar 23, 1943
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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2306560
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Patent number 2,306,560
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Issue date Dec 29, 1942
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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2189237
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Patent number 2,189,237
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Issue date Feb 6, 1940
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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1933595
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Patent number 1,933,595
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Issue date Nov 7, 1933
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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1933014
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Patent number 1,933,014
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Issue date Oct 31, 1933
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...