Class F04F : PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED
Subclass 1/18: Pumps using positively or negatively pressurised fluid medium acting directly on the liquid to be pumped (using only negative pressure F04F 3/00; jet pumps F04F 5/00; siphons F04F 10/00) the fluid medium being mixed with, or generated from, the liquid to be pumped
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12110675 | Effluent elevator system and methods of using | Jun 01, 22 | Oct 08, 24 | Not available |
| 11933325 | Thermal pumping of liquid hydrogen | Aug 11, 23 | Mar 19, 24 | ZeroAvia, Inc. |
| 11898580 | Confined plunging liquid jet reactor with energy recovery | Dec 04, 20 | Feb 13, 24 | Kuwait University |
| 11674528 | Gas compressor with eductor assembly | Sep 04, 20 | Jun 13, 23 | CARNOT COMPRESSION INC. |
| 11536296 | High-density powder pump | Jul 14, 17 | Dec 27, 22 | VERNE TECHNOLOGY S.R.L. |
| 11395990 | Reverse osmosis treatment system for recovering energy generated both at brine and permeate sides during sea water desalination | May 28, 19 | Jul 26, 22 | Hitachi Ltd. |
| 11343958 | High flow fertilizer/air meter with secondary nozzling | Aug 27, 19 | May 31, 22 | Lynx Ag, LLC |
| 11306743 | Aspirator integrated pressure relief valve and vent valve for an inflation system | Jun 02, 20 | Apr 19, 22 | Goodrich Corporation |
| 11248579 | Booster assembly and apparatus | May 22, 17 | Feb 15, 22 | BRADDELL LIMITED |
| 11052621 | Combination structure for a hose connected between an air compressor and a tire | Dec 14, 18 | Jul 06, 21 | UNIK WORLD INDUSTRIAL CO., LTD. |
| 10918812 | Essential oils diffuser | Jul 27, 18 | Feb 16, 21 | SPDI Holdings, Inc. |
| 10767661 | Submersible pump water jetter | Jun 28, 17 | Sep 08, 20 | U.S SUBMERGENT TECHNOLOGIES, LLC |
| 10765988 | Apparatus and method for treating gas in a liquid medium with ultrasonic energy for chemical reaction | Oct 14, 14 | Sep 08, 20 | Coldharbour Marine Limited |
| 10711335 | Bubble pump resistant to attack by molten aluminum | Apr 12, 13 | Jul 14, 20 | Arcelormittal Investigación Y Desarrollo, S.L. |
| 10711807 | Gas lift pump apparatus with ultrasonic energy generator and method | Jun 29, 11 | Jul 14, 20 | COLDHARBOUR MARINE LIMITED |
| 10704568 | Aspirator integrated pressure relief valve and vent valve assembly for an inflation system | Oct 05, 18 | Jul 07, 20 | Goodrich Corporation |
| 10683877 | Static bilge pump | Aug 30, 17 | Jun 16, 20 | Not available |
| 10585011 | Sump pump tracking device | Jul 17, 17 | Mar 10, 20 | Sumptracker, LLC |
| 10557462 | Magnetic fluid drive unit and magnetic fluid driving method | Aug 10, 17 | Feb 11, 20 | Toyota Jidosha Kabushiki Kaisha; THE DOSHISHA; |
| 10427101 | Reverse osmosis treatment system for recovering energy generated both at brine and permeate sides during seawater desalination | Dec 20, 16 | Oct 01, 19 | Hitachi Ltd. |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2023/0375,007 | AIR EXTRACTOR | May 19, 23 | Nov 23, 23 | Not available |
| 2019/0249,689 | ASPIRATOR INTEGRATED PRESSURE RELIEF VALVE AND VENT VALVE ASSEMBLY FOR AN INFLATION SYSTEM | Oct 05, 18 | Aug 15, 19 | Not available |
| 2017/0343,017 | SUBMERSIBLE PUMP WATER JETTER | Jun 28, 17 | Nov 30, 17 | Not available |
| 2016/0312,805 | FOAM PUMP | Apr 20, 16 | Oct 27, 16 | HUBNER GMBH & CO. KG |
| 2015/0300,375 | APPARATUS AND METHOD FOR TRANSFERRING AND PRESSURIZING POWDER | Dec 04, 13 | Oct 22, 15 | NESTEC S.A. |
| 2015/0104,333 | BUBBLE PUMP RESISTANT TO ATTACK BY MOLTEN ALUMINUM | Apr 12, 13 | Apr 16, 15 | Arcelormittal Investigacion Y Desarrollo SL |
| 2013/0160,688 | GAS LIFT PUMP APPARATUS WITH ULTRASONIC ENERGY GENERATOR AND METHOD | Jun 29, 11 | Jun 27, 13 | Coldharbour Marine Limited |
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