| 2023/0011,820 | MULTISTAGE CENTRIFUGAL PUMP | Jun 29, 22 | Jan 12, 23 | Not available |
| 2021/0048,029 | Intermediate Bearing In Electrical Submersible Pump | Aug 05, 20 | Feb 18, 21 | Baker Hughes Oilfield Operations LLC |
| 2017/0089,343 | PUMP AND METHOD FOR CHANGING THE PUMPING CAPACITY OF A PUMP | Sep 16, 16 | Mar 30, 17 | Not available |
| 2016/0084,253 | MULTI-STAGE, SELF-PRIMING CENTRIFUGAL PUMP ASSEMBLY | Apr 29, 14 | Mar 24, 16 | GRUNDFOS HOLDING A/S |
| 2015/0337,842 | CENTRIFUGAL PUMP WITH COALESCING EFFECT, DESIGN METHOD AND USE THEREOF | Jan 02, 14 | Nov 26, 15 | TYPHONIX AS |
| 2015/0275,913 | Hydraulic Turbines with Exit Flow Direction Opposite to its Inlet Flow Direction | Oct 10, 13 | Oct 01, 15 | Not available |
| 2015/0104,290 | SUPERSONIC COMPRESSOR WITH SEPARATOR | Oct 08, 14 | Apr 16, 15 | DRESSER-RAND COMPANY |
| 2013/0115,047 | IMPELLER VANE WITH LEADING EDGE ENHANCEMENT | Nov 09, 12 | May 09, 13 | BAKER HUGHES INCORPORATED |
| 2010/0089,090 | Centrifugal fan and air conditioner having the same | Sep 10, 09 | Apr 15, 10 | SAMSUNG ELECTRONICS CO., LTD. |
| 2010/0014,963 | CENTRIFUGAL PUMP | Jul 10, 09 | Jan 21, 10 | RUHRPUMPEN GMBH |
| 2005/0191,176 | Rotor for a centrifugal pump | Apr 25, 05 | Sep 01, 05 | CONTINENTAL AUTOMOTIVE GMBH |
| 2005/0186,070 | Fan assembly and method | Feb 23, 04 | Aug 25, 05 | Revcor, Inc. |
| 2005/0129,509 | Ultra-high speed vacuum pump system with first stage turbofan and second stage turbomolecular pump | Dec 16, 03 | Jun 16, 05 | FERMI RESEARCH ALLIANCE, LLC |
| 2004/0175,265 | Rotary pump with vented pump chamber | Feb 20, 04 | Sep 09, 04 | K.H. Brinkmann GmbH & Co. KG |
| 2004/0115,044 | Vane wheel for radial turbine | Sep 29, 03 | Jun 17, 04 | MITSUBISHI HEAVY INDUSTRIES, LTD. |
| 2003/0190,230 | Centrifugal blower unit | Apr 07, 03 | Oct 09, 03 | DENSO CORPORATION |