Class F04D : NON-POSITIVE-DISPLACEMENT PUMPS
Subclass 1/00: Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps (adapted for pumping specific fluids F04D 7/00; priming or boosting F04D 9/00; pumping liquids and elastic fluids at the same time F04D 31/00)
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 11965401 | Electric submersible pump with improved gas separator performance in high viscosity applications | Oct 01, 21 | Apr 23, 24 | Halliburton Energy Services, Inc. |
| 11920597 | Boundary layer powered circulatory assist device | Mar 10, 22 | Mar 05, 24 | Indiana University Research and Technology Corporation |
| 11920598 | Coolant pump for a vehicle | Jun 19, 20 | Mar 05, 24 | Baruffaldi S.p.a. |
| 11905976 | Quick no-water startup apparatus for centrifugal pump | Aug 05, 21 | Feb 20, 24 | JIANGSU UNIVERSITY |
| 11898570 | Pump assembly comprising a lubrication—and cooling system | Jul 20, 20 | Feb 13, 24 | KSB SE & Co. KGaA |
| 11898577 | Sensing device, system and method for a pump | Sep 18, 20 | Feb 13, 24 | Weir Minerals Australia Ltd. |
| 11873841 | Integrated drive box and heat exchanger and systems | May 17, 22 | Jan 16, 24 | W. S. Darley & Co. |
| 11873819 | Impeller for electric water pump | Oct 15, 19 | Jan 16, 24 | COAVIS |
| 11867185 | Fuel pump driven by a variable displacement motor for aerial refueling operation | Apr 30, 21 | Jan 09, 24 | FEDERAL INDUSTRIES, INC. |
| 11867192 | Pump comprising an impeller body provided as an oblique cone | Dec 19, 19 | Jan 09, 24 | PENTAIR FLOW TECHNOLOGIES, LLC |
| 11864346 | Pump-driven coolant filling device and methods | Nov 01, 21 | Jan 02, 24 | Rouchon Industries, Inc. |
| 11852163 | Single suction centrifugal blower | Apr 23, 21 | Dec 26, 23 | DENSO Corporation |
| 11852147 | Multifunctional pump assembly | Apr 04, 22 | Dec 26, 23 | Cooper Standard Automotive Inc. |
| 11852154 | Centrifugal pump sealing structure | Sep 07, 22 | Dec 26, 23 | HYUNDAI KEFICO CORPORATION |
| 11835047 | Pump apparatus | Jun 10, 20 | Dec 05, 23 | Ebara Corporation |
| 11833341 | Heart pump | Sep 24, 21 | Dec 05, 23 | BiVACOR Inc. |
| 11826558 | Heart pump with impeller rotational speed control | Feb 15, 22 | Nov 28, 23 | BiVACOR Inc. |
| 11815047 | Centrifugal compressor assembly for a gas turbine engine with deswirler having sealing features | Aug 03, 22 | Nov 14, 23 | Rolls-Royce North American Technologies Inc. |
| 11815104 | Integrated water-cooling pump | Apr 17, 23 | Nov 14, 23 | Huizhou Xunshuo Technology Co., Ltd |
| 11805765 | Centrifugal pump system | Feb 07, 23 | Nov 07, 23 | Not available |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2024/0141,902 | ELECTRIC WATER PUMP | Oct 31, 23 | May 02, 24 | Not available |
| 2024/0141,903 | DOWNHOLE TRANSMISSION WITH WELLBORE FLUID FLOW PASSAGE | Oct 28, 22 | May 02, 24 | Not available |
| 2024/0141,914 | Manufacture of an Impeller in a Hybrid Process | Mar 04, 22 | May 02, 24 | Not available |
| 2024/0141,915 | PUMP COMPRISING AN IMPELLER BODY PROVIDED AS AN OBLIQUE CONE | Jan 09, 24 | May 02, 24 | Not available |
| 2024/0131,486 | Full-Electric Drive Cementing Control System | Mar 15, 22 | Apr 25, 24 | YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO., LTD. |
| 2024/0110,568 | PUMP DEVICE | Sep 20, 23 | Apr 04, 24 | NIDEC INSTRUMENTS CORPORATION |
| 2024/0110,578 | END-SUCTION PUMP WITH DUAL INLET IMPELLER | Dec 11, 20 | Apr 04, 24 | ITT MANUFACTURING ENTERPRISES LLC |
| 2024/0052,844 | WATER PUMP | Aug 07, 23 | Feb 15, 24 | Not available |
| 2024/0052,850 | CENTRIFUGAL FAN ASSEMBLY FOR A HEAT EXCHANGER SYSTEM IN A VEHICLE | Dec 14, 20 | Feb 15, 24 | Volvo Truck Corporation |
| 2024/0056,006 | METHOD FOR STARTING A ROTOR OF A CLAW POLE MOTOR | Oct 27, 23 | Feb 15, 24 | Bühler Motor GmbH |
| 2024/0044,335 | PUMP SYSTEM FOR LIQUID TRANSPORT TANK | Oct 11, 23 | Feb 08, 24 | Not available |
| 2024/0035,484 | TURBO TYPE PUMP AND FLUID SUPPLY UNIT | Jan 31, 22 | Feb 01, 24 | Komatsu Ltd. |
| 2024/0035,488 | CENTRIFUGAL INCOMPRESSIBLE FLUID PUMP | Feb 22, 22 | Feb 01, 24 | Not available |
| 2023/0383,752 | WATER FILTRATION SYSTEM AND POOL BODY | Oct 11, 21 | Nov 30, 23 | Not available |
| 2023/0366,411 | Impeller Wheel of a Centrifugal Pump | Sep 30, 21 | Nov 16, 23 | Not available |
| 2023/0044,524 | PERMANENT MAGNET ROTOR FOR AN AXIAL FLUX MOTOR | Jan 08, 21 | Feb 09, 23 | Not available |
| 2022/0260,088 | GAS EXPANDER | Feb 01, 22 | Aug 18, 22 | Mitsubishi Heavy Industries Compressor Corporation |
| 2022/0260,085 | Pump Assembly Comprising a Lubrication- And Cooling System | Jul 20, 20 | Aug 18, 22 | Not available |
| 2021/0363,995 | MULTISTAGE CENTRIFUGAL PUMP FOR CONVEYING A FLUID | Apr 28, 21 | Nov 25, 21 | Not available |
| 2021/0140,432 | SIMULTANEOUSLY PUMPING AND MEASURING DENSITY OF AIRCRAFT FUEL | Nov 08, 19 | May 13, 21 | Not available |
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