Class F04B : POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
Subclass 1/053: 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) having cylinders in star- or fan-arrangement with an actuating or actuated element at the inner ends of the cylinders
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 11965503 | Flexible manifold for reciprocating pump | Jan 18, 22 | Apr 23, 24 | Halliburton Energy Services, Inc. |
| 11965504 | Manifold assembly | Feb 09, 23 | Apr 23, 24 | Kerr Machine Co. |
| 11959252 | Hydraulic apparatus and operating method | Sep 03, 20 | Apr 16, 24 | Artemis Intelligent Power Limited |
| 11828282 | Suction cover assembly for reciprocating pumps | Aug 27, 21 | Nov 28, 23 | SPM Oil & Gas Inc. |
| 11828277 | Turbine-driven fracturing system on semi-trailer | Oct 19, 22 | Nov 28, 23 | Yantal Jereh Petroleum Equipment & Technologies Co., Ltd. |
| 11767830 | Hydraulic system | Apr 03, 19 | Sep 26, 23 | HAWE Altenstadt Holding GmbH |
| 11746953 | Power frame and lubrication system for a reciprocating pump assembly | Dec 27, 21 | Sep 05, 23 | SPM Oil & Gas Inc. |
| 11725651 | Plunger bore sleeve for a reciprocating pump | Apr 02, 19 | Aug 15, 23 | SPM Oil & Gas Inc. |
| 11713755 | High-pressure fuel pump | Sep 17, 21 | Aug 01, 23 | DELPHI TECHNOLOGIES IP LIMITED |
| 11708830 | Multi-piece fluid end | Dec 11, 18 | Jul 25, 23 | Kerr Machine Co. |
| 11668289 | Fracturing apparatus | May 12, 22 | Jun 06, 23 | Yantai Jereh Petroleum Equipment & Technologies Co., Ltd. |
| 11661928 | Piston pump and piston motor | Aug 05, 19 | May 30, 23 | QINGDAO ACME INNOVATION TECHNOLOGY CO., LTD. |
| 11644018 | Fluid end | Dec 14, 21 | May 09, 23 | Kerr Machine Co. |
| 11519396 | Reciprocating pump | Sep 01, 20 | Dec 06, 22 | SPM Oil & Gas Inc. |
| 11519395 | Turbine-driven fracturing system on semi-trailer | Jun 01, 22 | Dec 06, 22 | Yantai Jereh Petroleum Equipment & Technologies Co., Ltd. |
| 11506229 | Modular hydraulic device | Apr 27, 21 | Nov 22, 22 | Not available |
| 11433493 | Fluid end and method of manufacturing it | Dec 01, 16 | Sep 06, 22 | Bharat Forge Limited |
| 11428214 | Compact pump with reduced vibration and reduced thermal degradation | Sep 28, 20 | Aug 30, 22 | Pumptec Inc. |
| 11378067 | Pump and a desalination system including the pump | Jan 21, 20 | Jul 05, 22 | KATADYN DESALINATION, LLC |
| 11333136 | Fluid pump with cam geometry to reduce pulsations | Nov 21, 18 | May 17, 22 | AISIN CORPORATION |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2024/0093,680 | Semi-Trailer-Loaded Turbine Fracturing Equipment | Nov 28, 23 | Mar 21, 24 | Yantai Jereh Petroleum Equipment & Technologies Co., Ltd. |
| 2023/0349,370 | PRESSURE WASHER APPARATUS | Sep 18, 20 | Nov 02, 23 | Not available |
| 2019/0277,246 | ROTARY HYDRAULIC MACHINE | Mar 11, 19 | Sep 12, 19 | Not available |
| 2018/0306,170 | MEMBRANE FLUID PUMP | Oct 17, 16 | Oct 25, 18 | Not available |
| 2017/0276,123 | DISPLACING DEVICE | Sep 11, 14 | Sep 28, 17 | HERMETIK HYDRAULIK AB |
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