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)
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 10502004 | Metal-to-metal sealed power connection for submersible pump motor | Sep 29, 17 | Dec 10, 19 | Baker Hughes, a GE company, LLC |
| 10443727 | Sealing ring assemblies configured for pressure locking | Aug 09, 18 | Oct 15, 19 | EtaGen, Inc. |
| 10437265 | Performance monitoring of pump-valve system | Apr 29, 14 | Oct 08, 19 | METSO FLOW CONTROL OY |
| 10393630 | Automated multiple sample processor having a plurality of piston pumps | Apr 11, 17 | Aug 27, 19 | ALFRED-WEGENER-INSTITUT HELMHOLTZ-ZENTRUM FUER POLAR-UND MEERESFORSCHUNG |
| 10393108 | Reducing fluid pressure spikes in a pumping system | Mar 30, 15 | Aug 27, 19 | Dowell -- A Division of Schlumberger Technology Corporation |
| 10378538 | Fluid end and center feed suction manifold | Nov 17, 16 | Aug 13, 19 | Not available |
| 10378537 | System for detecting failure location in a pump | Oct 06, 16 | Aug 13, 19 | Caterpillar Inc. |
| 10358908 | Tool and method for actively cooling downhole electronics | Feb 20, 18 | Jul 23, 19 | Vierko Enterprises, LLC |
| 10352319 | Calibration of a pump | Jan 29, 15 | Jul 16, 19 | Hewlett-Packard Development Company, L.P. |
| 10352284 | Piston fuel pump | Nov 20, 17 | Jul 16, 19 | Robert Bosch GmbH |
| 10337508 | Fluid-end of a high pressure pump | Jun 17, 16 | Jul 02, 19 | GARDNER DENVER PETROLEUM PUMPS, LLC |
| 10330153 | Synchronized roller with free wheels | Jan 02, 18 | Jun 25, 19 | Not available |
| 10333443 | Apparatus and method for controlling a device | Mar 27, 17 | Jun 25, 19 | Dialog Semiconductor (UK) Limited |
| 10330097 | Pump fluid end with integrated web portion | Apr 13, 18 | Jun 25, 19 | S.P.M. Flow Control Inc. |
| 10309359 | High-pressure fuel pump | Oct 05, 16 | Jun 04, 19 | Robert Bosch GmbH |
| 10294930 | Electrochemical system with real time modification of composition and use of complex wave form in same | Feb 25, 15 | May 21, 19 | Xergy Inc. |
| 10280884 | Pump, in particular high-pressure fuel pump | Oct 27, 15 | May 07, 19 | Robert Bosch GmbH |
| 10246955 | Self-aligning mud pump assembly | Aug 03, 16 | Apr 02, 19 | Cameron International Corporation |
| 10247449 | Variable-capacity compressor, two-stage compression system and control method thereof | May 29, 18 | Apr 02, 19 | Gree Electric Appliances Inc. of Zhuhai |
| 10180134 | Systems and methods for controlling multi-chamber subsea pumps | Jul 03, 17 | Jan 15, 19 | Chevron U.S.A. Inc. |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2018/0230,977 | PUMP FLUID END WITH INTEGRATED WEB PORTION | Apr 13, 18 | Aug 16, 18 | Not available |
| 2016/0265,518 | System for coupling a piston for a hydraulic pump motor | Mar 08, 16 | Sep 15, 16 | Not available |
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