Class F04F : PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED
Subclass 1/20: 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 specially adapted for raising liquids from great depths, e.g. in wells
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12173729 | Brine dispersal system | May 06, 22 | Dec 24, 24 | Natural Ocean Well Co. |
| 12173730 | Brine dispersal system | May 06, 22 | Dec 24, 24 | Natural Ocean Well Co. |
| 12152609 | Submerged reverse osmosis system | Aug 29, 23 | Nov 26, 24 | Natural Ocean Well Co. |
| 12140160 | Methods and apparati for quickset gas lift separation and liquid storage | Aug 18, 22 | Nov 12, 24 | LIFTROCK, LLC |
| 11846305 | Submerged reverse osmosis system | Nov 15, 21 | Dec 19, 23 | Natural Ocean Well Co. |
| 11746631 | Horizontal wellbore separation system and method | Mar 12, 19 | Sep 05, 23 | CLEANTEK INDUSTRIES INC. |
| 11466703 | Methods and apparati for quickset gas lift separation and liquid storage | Feb 11, 22 | Oct 11, 22 | Liftrock LLC |
| 11326625 | Brine dispersal system | Feb 09, 18 | May 10, 22 | Natural Ocean Well Co. |
| 11306744 | Air lift pump | Oct 09, 19 | Apr 19, 22 | The University of Guelph |
| 11255349 | Methods and apparati for quickset gas lift separation and liquid storage | Apr 23, 21 | Feb 22, 22 | Liftrock LLC |
| 11174877 | Submerged reverse osmosis system | Feb 09, 18 | Nov 16, 21 | Natural Ocean Well Co. |
| 10927852 | Fluid energizing device | Jan 11, 16 | Feb 23, 21 | Schlumberger Technology Corporation |
| 10711807 | Gas lift pump apparatus with ultrasonic energy generator and method | Jun 29, 11 | Jul 14, 20 | COLDHARBOUR MARINE LIMITED |
| 10585011 | Sump pump tracking device | Jul 17, 17 | Mar 10, 20 | Sumptracker, LLC |
| 10519983 | Methods and apparati for quickset gas lift separation and liquid storage | Sep 09, 19 | Dec 31, 19 | Liftrock LLC |
| 10392775 | Liquid pump with a passive filtration system for dredging and water filtration | Jul 03, 17 | Aug 27, 19 | Fort Lewis College |
| 10184467 | Non-beam pumping unit driven by a biaxial motor | Jul 24, 17 | Jan 22, 19 | Daqing Dannuo Petroleum Technology Development Co., Ltd. |
| 9719528 | Bubble lift system and bubble lift method | Jul 27, 12 | Aug 01, 17 | MODEC, INC. |
| 8863827 | Jet pump for use with a multi-string tubing system and method of using the same for well clean out and testing | Mar 10, 10 | Oct 21, 14 | 1497690 ALBERTA LTD. |
| 7658229 | Gas lift chamber purge and vent valve and pump systems | Mar 31, 06 | Feb 09, 10 | BST Lift Systems, LLC |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0067,281 | BRINE DISPERSAL SYSTEM | Nov 14, 24 | Feb 27, 25 | Not available |
| 2025/0020,144 | METHODS AND APPARATI FOR QUICKSET GAS LIFT SEPARATION AND LIQUID STORAGE | Sep 25, 24 | Jan 16, 25 | LIFTROCK, LLC |
| 2020/0109,723 | METHODS AND APPARATI FOR QUICKSET GAS LIFT SEPARATION AND LIQUID STORAGE | Dec 06, 19 | Apr 09, 20 | Not available |
| 2020/0011,349 | METHODS AND APPARATI FOR QUICKSET GAS LIFT SEPARATION AND LIQUID STORAGE | Sep 09, 19 | Jan 09, 20 | Not available |
| 2018/0003,196 | FLUID ENERGIZING DEVICE | Jan 11, 16 | Jan 04, 18 | SCHLUMBERGER TECHNOLOGY CORPORATION |
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