Description
Class F04D : NON-POSITIVE-DISPLACEMENT PUMPS
Subclass 3/00: Axial-flow pumps (priming or boosting F04D 9/00; pumping liquids and elastic fluids at the same time F04D 31/00)
F04D 3/00
Sub-Class
Stats
- 199 US PATENTS IN FORCE
- 32 US APPLICATIONS PENDING
- 69 Total Patent Owners
- 501 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12241480 | Blood pump housing component | May 20, 22 | Mar 04, 25 | Abiomed Inc. |
| 12188406 | Axial-centrifugal contra-rotating light weight, compact compression system | Oct 19, 21 | Jan 07, 25 | Indian Institute of Technology Kharagpur |
| 12146508 | Axial pump and riser | May 26, 22 | Nov 19, 24 | MOLTEN METAL EQUIPMENT INNOVATIONS, LLC |
| 12135044 | Multiphase pump | Sep 03, 19 | Nov 05, 24 | SULZER MANAGEMENT AG |
| 12104620 | Bearing assembly and rotary fluid pump | Sep 26, 19 | Oct 01, 24 | Berlin Heart GmbH |
| 12078192 | Non-occluding intra vascular blood pump providing reduced hemolysis | Jan 31, 22 | Sep 03, 24 | Procyrion, Inc. |
| 12071954 | Aeration pump system with a 90-degree elbow between an inlet and an outlet | May 31, 23 | Aug 27, 24 | Turtle Pump Company LLC |
| 12055325 | Rotary compressor and home appliance including the same | May 25, 23 | Aug 06, 24 | SAMSUNG ELECTRONICS CO., LTD. |
| 12029890 | Magnetic drives having flux enhancers for blood pumps | Dec 29, 20 | Jul 09, 24 | Boston Scientific Scimed Inc. |
| 12025145 | Method for manufacturing a propeller for a propeller pump, and propeller for a propeller pump | Jan 17, 23 | Jul 02, 24 | SULZER MANAGEMENT AG |
| 12018698 | Fluid pump having a radially compressible rotor | Oct 19, 22 | Jun 25, 24 | ECP ENTWICKLUNGSGESELLSCHAFT MBH |
| 12005248 | Rotor bearing system | May 16, 19 | Jun 11, 24 | KARDION GMBH |
| 11994131 | Portable pump | Oct 11, 19 | May 28, 24 | Reed Manufacturing Company |
| 11994133 | Compressible and expandable blade for a fluid pump | Jan 24, 22 | May 28, 24 | ECP ENTWICKLUNGSGESELLSCHAFT MBH |
| 11986205 | Pump or rotary cutter for operation in a fluid | May 05, 21 | May 21, 24 | ECP ENTWICKLUNGSGESELLSCHAFT MBH |
| 11976674 | Pump arrangement | Oct 12, 21 | May 07, 24 | ECP ENTWICKLUNGSGESELLSCHAFT MBH |
| 11933313 | Seal arrangement for pump | Feb 18, 22 | Mar 19, 24 | Watson-Marlow GmbH |
| 11931706 | Fluid mixing apparatus and methods for mixing and improving homogeneity of fluids | Nov 19, 21 | Mar 19, 24 | LETTS CREATE, LLC |
| 11927283 | Active sealing ring, in particular for an auto coupling | Jul 07, 21 | Mar 12, 24 | GRUNDFOS HOLDING A/S |
| 11913465 | Nuclear coolant pump seal and methods of sealing | Feb 21, 19 | Feb 27, 24 | Candu Energy Inc. |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0059,977 | Magnetic Rotor Designs and Systems | Aug 09, 24 | Feb 20, 25 | HEALEY MAGNETICS, LLC |
| 2025/0043,793 | PUMP FOR IMMERSION WITHIN A FLUID RESERVOIR | Oct 22, 24 | Feb 06, 25 | NUHN INDUSTRIES LTD. |
| 2025/0027,497 | AXIAL PUMP AND RISER | Oct 08, 24 | Jan 23, 25 | MOLTEN METAL EQUIPMENT INNOVATIONS, LLC |
| 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 |
| 2024/0426,312 | FLUID PUMP HAVING A RADIALLY COMPRESSIBLE ROTOR | May 16, 24 | Dec 26, 24 | ECP ENTWICKLUNGSGESELLSCHAFT MBH |
| 2024/0426,319 | MULTIPLE CHANNEL DIFFUSER | Jun 26, 23 | Dec 26, 24 | Not available |
| 2024/0415,533 | PUMP OR ROTARY CUTTER FOR OPERATION IN A FLUID | Apr 17, 24 | Dec 19, 24 | ECP ENTWICKLUNGSGESELLSCHAFT MBH |
| 2024/0418,186 | PUMP ARRANGEMENT | Apr 08, 24 | Dec 19, 24 | ECP ENTWICKLUNGSGESELLSCHAFT MBH |
| 2024/0392,598 | POOL CLEANING ROBOT | May 27, 23 | Nov 28, 24 | BWT ROBOTICS POOL & SPA LTD. |
| 2024/0277,998 | ROTOR BEARING SYSTEM | May 03, 24 | Aug 22, 24 | Not available |
| 2024/0263,474 | Pool Cleaning Robot | Aug 16, 23 | Aug 08, 24 | Not available |
| 2024/0229,798 | BLOOD PUMP WITH MICROMOTOR | Aug 30, 23 | Jul 11, 24 | ABIOMED EUROPE GMBH |
| 2024/0164,054 | Force Convection Driven By Propeller Applied In Single-Phase Immersion Cooling | Jan 13, 23 | May 16, 24 | Not available |
| 2024/0141,899 | AXIAL PUMP WITH SPLIT PRINTED CIRCUIT BOARD ASSEMBLY (PCA) | Oct 28, 22 | May 02, 24 | Not available |
| 2024/0133,383 | BLOOD PUMP WITH MICROMOTOR | Aug 29, 23 | Apr 25, 24 | ABIOMED EUROPE GMBH |
| 2024/0102,490 | EXTERNAL TRAY HOSE WITH INTEGRATED PUMP | Dec 12, 23 | Mar 28, 24 | Not available |
| 2024/0052,845 | COMPRESSIBLE ROTOR FOR A FLUID PUMP | Aug 29, 23 | Feb 15, 24 | ECP ENTWICKLUNGSGESELLSCHAFT MBH |
| 2024/0018,973 | WATER PUMP WITH COOLANT FLOW PATH | Mar 10, 23 | Jan 18, 24 | Not available |
| 2023/0366,408 | Dynamically Controlled Cooling Device | Jun 07, 23 | Nov 16, 23 | Not available |
Top Owners in This Subclass
| Upgrade to the Professional Level to view Top Owners for this Subclass.Learn More |
|---|
Patents Issued To Date - By Filing Year
Average Time to Issuance
- 31 Months (last 2 years Issuances)
- 31 Months (last 5 years Issuances)