Description
Class F04D : NON-POSITIVE-DISPLACEMENT PUMPS
Subclass 3/02: Axial-flow pumps (priming or boosting F04D 9/00; pumping liquids and elastic fluids at the same time F04D 31/00) of screw type
F04D 3/02
Sub-Class
Stats
- 113 US PATENTS IN FORCE
- 24 US APPLICATIONS PENDING
- 28 Total Patent Owners
- 286 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12221985 | Submersible pump | Feb 02, 24 | Feb 11, 25 | Vortex Pipe Systems LLC |
| 12207906 | Tube for ventricular assist device | Oct 14, 20 | Jan 28, 25 | MAGENTA MEDICAL LTD |
| 12209584 | Submersible centrifual pump having a hydrostatic support including thrust and support disks | Oct 25, 22 | Jan 28, 25 | LEX SUMBERSIBLE PUMPS FZE |
| 12209585 | Method and apparatus for an end seal for increasing efficiency of a submersible multistage labyrinth-screw pump | Dec 20, 23 | Jan 28, 25 | Lex Submersible Pumps FZE Company; AI Shmookh Business Center; |
| 12127820 | Ventricular assist device | Nov 19, 20 | Oct 29, 24 | MAGENTA MEDICAL LTD |
| 12076882 | Apparatus and method for the production of buildings | Mar 30, 20 | Sep 03, 24 | I-Cubed Industry Innovators Inc. |
| 12078192 | Non-occluding intra vascular blood pump providing reduced hemolysis | Jan 31, 22 | Sep 03, 24 | Procyrion, Inc. |
| 12064615 | Axial-flow pump for a ventricular assist device and method for producing an axial-flow pump for a ventricular assist device | May 30, 19 | Aug 20, 24 | KARDION GMBH |
| 12059235 | Blood pump catheter with dual-function continuous lumen | Oct 13, 20 | Aug 13, 24 | MAGENTA MEDICAL LTD |
| 12018698 | Fluid pump having a radially compressible rotor | Oct 19, 22 | Jun 25, 24 | ECP ENTWICKLUNGSGESELLSCHAFT MBH |
| 11994133 | Compressible and expandable blade for a fluid pump | Jan 24, 22 | May 28, 24 | ECP ENTWICKLUNGSGESELLSCHAFT MBH |
| 11959497 | Method for determining operational parameters of a blood pump | Jun 28, 21 | Apr 16, 24 | Berlin Heart GmbH |
| 11950889 | Ventricular assist device | Nov 19, 20 | Apr 09, 24 | MAGENTA MEDICAL LTD |
| 11944413 | Ventricular assist device | Nov 19, 20 | Apr 02, 24 | MAGENTA MEDICAL LTD |
| 11946472 | Charge pump for electric submersible pump (ESP) assembly with inverted shroud | Oct 01, 21 | Apr 02, 24 | Halliburton Energy Services, Inc. |
| 11946481 | Rotor for a fluid pump, and method and mold for manufacturing same | Jan 20, 21 | Apr 02, 24 | ECP ENTWICKLUNGSGESELLSCHAFT MBH |
| 11931706 | Fluid mixing apparatus and methods for mixing and improving homogeneity of fluids | Nov 19, 21 | Mar 19, 24 | LETTS CREATE, LLC |
| 11920613 | Tank, liquid circulation system and operating method | Sep 09, 21 | Mar 05, 24 | Hitachi Energy Ltd |
| 11867202 | Pump with ring motor | Oct 15, 20 | Jan 09, 24 | Marlin AS |
| 11867176 | Method and apparatus for a submersible multistage labyrinth-screw pump | Apr 11, 22 | Jan 09, 24 | Lex Submersible Pumps FZE Company |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0099,740 | PUMP HEAD DELIVERY | Nov 25, 24 | Mar 27, 25 | Not available |
| 2025/0099,741 | PURGING A BEARING INTERFACE | Nov 25, 24 | Mar 27, 25 | Not available |
| 2025/0090,833 | BLOOD PUMP | Nov 25, 24 | Mar 20, 25 | Not available |
| 2025/0090,834 | IMPELLER | Nov 25, 24 | Mar 20, 25 | Not available |
| 2025/0020,127 | NON-OCCLUDING INTRAVASCULAR BLOOD PUMP PROVIDING REDUCED HEMOLYSIS | Jul 23, 24 | Jan 16, 25 | Not available |
| 2025/0012,283 | COMPRESSIBLE AND EXPANDABLE BLADE FOR A FLUID PUMP | Apr 19, 24 | Jan 09, 25 | ECP ENTWICKLUNGSGESELLSCHAFT MBH |
| 2025/0000,376 | VENTRICULAR ASSIST DEVICE | Sep 12, 24 | Jan 02, 25 | Not available |
| 2024/0426,302 | INTAKES AND GAS SEPARATORS FOR DOWNHOLE PUMPS, AND RELATED APPARATUSES AND METHODS | May 14, 24 | Dec 26, 24 | Not available |
| 2024/0426,312 | FLUID PUMP HAVING A RADIALLY COMPRESSIBLE ROTOR | May 16, 24 | Dec 26, 24 | ECP ENTWICKLUNGSGESELLSCHAFT MBH |
| 2024/0399,135 | AXIAL-FLOW PUMP FOR A VENTRICULAR ASSIST DEVICE AND METHOD FOR PRODUCING AN AXIAL-FLOW PUMP FOR A VENTRICULAR ASSIST DEVICE | Aug 09, 24 | Dec 05, 24 | Not available |
| 2024/0328,421 | PUMPS CONFIGURED FOR USE WITH VISCOUS MATERIALS CONTAINING AGGREGATE | Oct 04, 21 | Oct 03, 24 | Not available |
| 2024/0301,888 | ROTOR FOR A FLUID PUMP, AND METHOD AND MOLD FOR MANUFACTURING SAME | Feb 22, 24 | Sep 12, 24 | ECP ENTWICKLUNGSGESELLSCHAFT MBH |
| 2024/0229,796 | INTAKES AND GAS SEPARATORS FOR DOWNHOLE PUMPS, AND RELATED APPARATUSES AND METHODS | Mar 08, 22 | Jul 11, 24 | Not available |
| 2024/0133,381 | INTAKES AND GAS SEPARATORS FOR DOWNHOLE PUMPS, AND RELATED APPARATUSES AND METHODS | Mar 08, 22 | Apr 25, 24 | Not available |
| 2024/0123,215 | BLOOD PUMP WITH MODIFIED LINER | Oct 18, 23 | Apr 18, 24 | ABIOMED EUROPE GMBH |
| 2024/0102,475 | IMPELLER FOR AN IMPLANTABLE, VASCULAR SUPPORT SYSTEM | Aug 24, 23 | Mar 28, 24 | Not available |
| 2024/0090,780 | IMPELLER FRAME | Nov 16, 23 | Mar 21, 24 | Not available |
| 2024/0060,503 | A UNIBODY AXIAL PUMP | Dec 31, 20 | Feb 22, 24 | KOC UNIVERSITESI |
| 2024/0018,962 | SUBMERSIBLE PUMP | Jun 09, 23 | Jan 18, 24 | Vortex Pipe Systems LLC |
| 2023/0323,881 | TANK, LIQUID CIRCULATION SYSTEM AND OPERATING METHOD | Sep 09, 21 | Oct 12, 23 | Hitachi Energy Switzerland AG |
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 29 Months (last 2 years Issuances)
- 29 Months (last 5 years Issuances)