Class F04B : POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
Subclass 1/04: 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
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 10519911 | Common rail multi-cylinder fuel pump with independent pumping plunger extension | May 14, 15 | Dec 31, 19 | Cummins Inc. |
| 10487810 | Camshaft thrust control secured by drive gear | Feb 03, 14 | Nov 26, 19 | Cummins Inc. |
| 10473076 | High pressure pump with pump spring sealing sleeve | Dec 09, 16 | Nov 12, 19 | DELPHI TECHNOLOGIES IP LIMITED |
| 10473098 | Reciprocating plunger pump and its engine body, the slider crank mechanism and the slide block, the bearing seat, the crankcase upper cover and the plunger seat | Dec 03, 14 | Nov 12, 19 | BEIJING SINOCEP ENGINE TECHNOLOGY CO., LTD. |
| 10465678 | Fluid pump leakage diversion | Feb 03, 17 | Nov 05, 19 | Graco Minnesota Inc. |
| 10465680 | Discharge cap and block for a fluid end assembly | May 14, 18 | Nov 05, 19 | VP Sales and Company LP |
| 10443582 | Distribution casing device for a hydraulic machine | Jul 30, 15 | Oct 15, 19 | Poclain Hydraulics Industrie |
| 10443595 | Automotive fuel pump | Apr 20, 15 | Oct 15, 19 | Hitachi, Ltd. |
| 10443585 | Pump for a heat pump system | Aug 26, 16 | Oct 15, 19 | Haier US Appliance Solutions, Inc. |
| 10443727 | Sealing ring assemblies configured for pressure locking | Aug 09, 18 | Oct 15, 19 | EtaGen, Inc. |
| 10436164 | Tappet roller retaining approach | Dec 23, 14 | Oct 08, 19 | Cummins, Inc. |
| 10436185 | Fuel unit pump and internal combustion engine including a fuel unit pump | Sep 15, 16 | Oct 08, 19 | GM Global Technology Operations LLC |
| 10428942 | Fluted piston components for pumps | Dec 30, 16 | Oct 01, 19 | Graco Minnesota Inc. |
| 10422330 | High pressure fuel pump | Nov 30, 11 | Sep 24, 19 | Hitachi Automotive Systems, Ltd. |
| 10415553 | Device for choking a fluid flow and corresponding piston pump for delivering fluids | Aug 30, 18 | Sep 17, 19 | Robert Bosch GmbH |
| 10408093 | Welded high-pressure fuel pump roller tappet | Jan 19, 18 | Sep 10, 19 | Hangzhou XZB Tech Co., Ltd. |
| 10400727 | Piston fuel pump for an internal combustion engine | Dec 04, 15 | Sep 03, 19 | Robert Bosch GmbH |
| 10393112 | Piston fuel pump for an internal combustion engine | Dec 23, 14 | Aug 27, 19 | Robert Bosch GmbH |
| 10385833 | Piston pump having a stepped piston | Sep 09, 15 | Aug 20, 19 | Robert Bosch GmbH |
| 10385956 | Mechanical system forming a cam follower or a rocker arm | Sep 28, 15 | Aug 20, 19 | Aktiebolaget SKF |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2019/0277,246 | ROTARY HYDRAULIC MACHINE | Mar 11, 19 | Sep 12, 19 | Not available |
| 2019/0154,016 | FLUID PUMP | Nov 21, 18 | May 23, 19 | Aisin Seiki Kabushiki Kaisha |
| 2018/0245,573 | Hydraulic Control Apparatus and Brake System | Aug 02, 16 | Aug 30, 18 | HITACHI AUTOMOTIVE SYSTEMS, LTD. |
| 2018/0202,421 | RADIAL PISTON PUMPS AND MOTORS | Jul 15, 16 | Jul 19, 18 | DOMIN FLUID POWER LIMITED |
| 2018/0187,661 | Harmonic Distribution Radial Piston Hydraulic Machine | Jul 01, 16 | Jul 05, 18 | Not available |
| 2018/0156,205 | FUEL PUMP ASSEMBLY | May 04, 16 | Jun 07, 18 | Volvo Truck Corporation |
| 2018/0017,046 | BOX LUBRICATION PUMP | Sep 27, 17 | Jan 18, 18 | GRACO MINNESOTA INC. |
| 2015/0118,066 | LOAD REDUCTION | Apr 23, 13 | Apr 30, 15 | DELPHI INTERNATIONAL OPERATIONS LUXEMBOURG S.A.R.L. |
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