F04B 1/00

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Description

Class  F04B : POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS


Subclass 1/00: Multi-cylinder machines or pumps characterised by number or arrangement of cylinders (F04B 3/00 takes precedence; fluid-driven pumps F04B 9/08; control of reciprocating machines or pumps in general F04B 49/00)

Recent Patents

Patent #TitleFiling DateIssue DatePatent Owner
12228116 Bent axis plunger-type variable hydraulic motor pumpSep 16, 20Feb 18, 25BEIJING JODIN TECHNOLOGY CO. LTD
12221957 Fracturing pump arrangement using a plunger with an internal fluid passageFeb 06, 24Feb 11, 25Kerr Machine Co.
12188457 Sealing ring assemblies configured for pressure lockingNov 16, 22Jan 07, 25Mainspring Energy, Inc.
12179196 Fluidic apparatus and methods useful for chemical and biological reactionsNov 10, 22Dec 31, 24Pacific Biosciences of California, Inc.
12152711 System and method for integrated flow supply lineJun 06, 23Nov 26, 24U.S. WELL SERVICES LLC
12116875 Electric powered hydraulic fracturing pump system with single electric powered multi-plunger pump fracturing trailers, filtration units, and slide out platformFeb 14, 23Oct 15, 24U.S. WELL SERVICES LLC
12092088 Power end mount plateJan 13, 23Sep 17, 24GD ENERGY PRODUCTS, LLC
12036507 Compressible fluid separator pumpFeb 15, 22Jul 16, 24International Business Machine Corporation
11913437 Pumping systemsOct 24, 22Feb 27, 24QUANTUM SERVO PUMPING TECHNOLOGIES PTY LTD
11867161 Oil monitoringApr 01, 19Jan 09, 24SPM Oil & Gas Inc.
11808252 Liquid delivery device and liquid chromatographMay 16, 18Nov 07, 23Shimadzu Corporation
11795798 Pumping system for a wellsiteApr 08, 20Oct 24, 23SHALEPUMPS, LLC
11753916 Integrated fracking systemMay 28, 20Sep 12, 23Stewart & Stevenson, LLC
11668420 System and method for integrated flow supply lineMay 17, 21Jun 06, 23U.S. WELL SERVICES LLC
11578580 Electric powered hydraulic fracturing pump system with single electric powered multi-plunger pump fracturing trailers, filtration units, and slide out platformFeb 08, 21Feb 14, 23U.S. WELL SERVICES LLC
11530691 Sealing ring assemblies configured for pressure lockingSep 19, 19Dec 20, 22Mainspring Energy, Inc.
11504711 Fluidic apparatus and methods useful for chemical and biological reactionsJun 30, 20Nov 22, 22Pacific Biosciences of California, Inc.
11506198 Pump with multiple outletsFeb 25, 20Nov 22, 22Thomas Magnete GmbH
11484645 Systems and components for regulating fluid infusion to a patientNov 18, 21Nov 01, 22Perceptive Medical Inc.
11448202 Automated control of hydraulic fracturing pumpsJan 23, 19Sep 20, 22Schlumberger Technology Corporation

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Recent Publications

Publication #TitleFiling DatePub DatePatent Owner
2025/0027,486 FLUID ENDS FOR PUMPS AND RELATED METHODSJul 15, 24Jan 23, 25Not available
2024/0392,764 POWER END MOUNT PLATEAug 07, 24Nov 28, 24Not available
2024/0280,101 Reversible Reciprocating PumpApr 29, 24Aug 22, 24Quidnet Energy Inc.
2024/0125,320 High-power five-cylinder drilling pump set, solid control system and drilling rigJan 25, 22Apr 18, 24Not available
2023/0036,956 FRACTURING PUMP ASSEMBLYAug 02, 21Feb 02, 23Not available
2021/0231,111 COMPRESSED GAS ENGINEJan 15, 21Jul 29, 21Not available
2018/0230,977 PUMP FLUID END WITH INTEGRATED WEB PORTIONApr 13, 18Aug 16, 18Not available
2016/0265,518 System for coupling a piston for a hydraulic pump motorMar 08, 16Sep 15, 16Not available

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Top Owners in This Subclass

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Patents Issued To Date - By Filing Year

Average Time to Issuance