Class F04D : NON-POSITIVE-DISPLACEMENT PUMPS
Subclass 7/04: Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts (pumping liquids and elastic fluids at the same time F04D 31/00) of centrifugal type the fluids being viscous or non-homogeneous
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 11965526 | Inlet component for a slurry pump | Oct 12, 18 | Apr 23, 24 | Weir Minerals Australia Ltd. |
| 11959487 | Centrifugal slurry pump impeller | Sep 30, 21 | Apr 16, 24 | Weir Slurry Group Inc. |
| 11920597 | Boundary layer powered circulatory assist device | Mar 10, 22 | Mar 05, 24 | Indiana University Research and Technology Corporation |
| 11920603 | System for pumping a fluid and method for its operation | Sep 15, 15 | Mar 05, 24 | Not available |
| 11898577 | Sensing device, system and method for a pump | Sep 18, 20 | Feb 13, 24 | Weir Minerals Australia Ltd. |
| 11835061 | Split volute for submersible pump | Nov 10, 22 | Dec 05, 23 | INDUSTRIAL FLOW SOLUTIONS OPERATING, LLC |
| 11801377 | Centrifugal blood pump | Jan 04, 21 | Oct 31, 23 | Chinabridge (Shenzhen) Medical Technology Co., Ltd |
| 11786719 | Rotary blood pump | Jan 11, 21 | Oct 17, 23 | CardiacAssist Inc. |
| 11766675 | Special improvement package to heavy duty grinders for processing thick wastes and slick wipes in commercial and residential applications and use called a gorilla grinder | Dec 08, 20 | Sep 26, 23 | Not available |
| 11732717 | Multistage centrifugal grinder pump | Jan 31, 19 | Aug 22, 23 | SULZER MANAGEMENT AG |
| 11719086 | Reverse flow gas separator | Aug 28, 20 | Aug 08, 23 | Halliburton Energy Services Inc. |
| 11708838 | Chemical sequestration of wellbore fluids in electric submersible pump systems | Jul 02, 20 | Jul 25, 23 | Halliburton Energy Services, Inc. |
| 11697042 | Apparatus for diluting and applying firefighting chemical | May 06, 20 | Jul 11, 23 | EarthClean, LLC |
| 11692551 | Particle guard ring for mixed flow pump | Jun 21, 21 | Jul 04, 23 | Dowell -- A Division of Schlumberger Technology Corporation |
| 11686312 | Balancing axial thrust in submersible well pumps | Dec 07, 21 | Jun 27, 23 | Saudi Arabian Oil Company |
| 11680578 | Impeller for disc pump | Apr 21, 22 | Jun 20, 23 | Not available |
| 11672402 | Blade and pump impeller assembly for a dishwasher | Jun 17, 22 | Jun 13, 23 | Whirlpool Corporation |
| 11668315 | Composite metal component and method of producing same | Dec 19, 18 | Jun 06, 23 | Weir Minerals Australia Ltd. |
| 11603844 | Centrifugal pump | Dec 19, 19 | Mar 14, 23 | GRUNDFOS HOLDING A/S |
| 11560894 | Cutting assembly for a chopper pump | Nov 09, 21 | Jan 24, 23 | Pentair Flow Technologies, LLC |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2024/0159,246 | SPLIT VOLUTE FOR SUBMERSIBLE PUMP | Sep 23, 23 | May 16, 24 | INDUSTRIAL FLOW SOLUTIONS OPERATING, LLC |
| 2024/0151,241 | SLURRY PUMP | Mar 08, 22 | May 09, 24 | Metso Outotec Sweden AB |
| 2024/0139,565 | MULTI-PURPOSE PUMP | Oct 30, 22 | May 02, 24 | Not available |
| 2024/0133,395 | WEAR ELEMENT FOR A SLURRY PUMP | Mar 08, 22 | Apr 25, 24 | Metso Outotec Sweden AB |
| 2024/0110,567 | MEASUREMENT ASSEMBLIES AND METHODS FOR MEASURING NOSE GAP IN PUMPS | Sep 22, 23 | Apr 04, 24 | Not available |
| 2024/0011,497 | PUMP FOR IMMERSION WITHIN A FLUID RESERVOIR | Sep 22, 23 | Jan 11, 24 | NUHN INDUSTRIES LTD. |
| 2023/0400,026 | OPEN IMPELLER FOR SUBMERGIBLE PUMP CONFIGURED FOR PUMPING LIQUID COMPRISING ABRASIVE MATTER | Sep 20, 21 | Dec 14, 23 | Xylem Europe GmbH |
| 2023/0296,098 | Cutting Blade Assembly | May 23, 23 | Sep 21, 23 | Not available |
| 2023/0287,888 | Pump Apparatus For Reducing The Size Of Suspended Solids Before Pumping | Aug 27, 21 | Sep 14, 23 | Not available |
| 2023/0258,187 | Centrifugal Pump for Conveying Media Containing Solids | Jun 23, 21 | Aug 17, 23 | Not available |
| 2023/0258,188 | Non-Clogging Pump | Dec 15, 20 | Aug 17, 23 | Not available |
| 2023/0138,218 | DEWATERING PUMP SUPPORT APPARATUS | Nov 02, 21 | May 04, 23 | Not available |
| 2022/0381,252 | PUMP FOR IMMERSION WITHIN A FLUID RESERVOIR | Aug 11, 22 | Dec 01, 22 | NUHN INDUSTRIES LTD. |
| 2022/0364,565 | A Sensing Device, System And Method For A Pump | Sep 18, 20 | Nov 17, 22 | Not available |
| 2022/0268,293 | Rotary Parts For A Slurry Pump | Mar 07, 22 | Aug 25, 22 | Not available |
| 2022/0241,580 | SEALED MICROPUMP | Sep 26, 19 | Aug 04, 22 | Not available |
| 2022/0056,911 | CENTRIFUGAL PUMP | Dec 19, 19 | Feb 24, 22 | Not available |
| 2020/0340,495 | SYSTEM FOR THE CIRCULATION OF GAS IN AIRS GAPS OF ROTATING MACHINES | May 09, 18 | Oct 29, 20 | FMC TECHNOLOGIES DO BRASIL LTDA |
| 2020/0291,944 | Cutting Blade Assembly | Jun 02, 20 | Sep 17, 20 | Not available |
| 2020/0284,262 | PROGRESSING CAVITY DEVICE WITH CUTTER DISKS | May 22, 20 | Sep 10, 20 | Not available |
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