Class F04F : PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED
Subclass 1/08: 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 acting on the surface of the liquid to be pumped (F04F 1/02 takes precedence) 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. |
| 11846305 | Submerged reverse osmosis system | Nov 15, 21 | Dec 19, 23 | Natural Ocean Well Co. |
| 11795935 | Well pump with float controlled check valves | Jan 25, 21 | Oct 24, 23 | PumpOne Environmental, LLC |
| 11519428 | Pneumatic pump control system | Mar 11, 21 | Dec 06, 22 | Not available |
| 11460050 | Pressure exchanger manifolding | May 08, 17 | Oct 04, 22 | Schlumberger Technology Corporation |
| 11326625 | Brine dispersal system | Feb 09, 18 | May 10, 22 | Natural Ocean Well Co. |
| 11306742 | Submersible pneumatic pump with air-exclusion valve | May 01, 17 | Apr 19, 22 | Not available |
| 11174877 | Submerged reverse osmosis system | Feb 09, 18 | Nov 16, 21 | Natural Ocean Well Co. |
| 10989228 | Non-clogging airlift pumps and systems and methods employing the same | Jun 28, 18 | Apr 27, 21 | Pulsed Burst Systems, LLC |
| 10962027 | Suction pumps | Sep 01, 17 | Mar 30, 21 | THERMOFLUIDICS LTD. |
| 10823204 | Pumping system and method | Aug 12, 11 | Nov 03, 20 | Not available |
| 10662941 | Modular pneumatic well pump system | Jan 16, 18 | May 26, 20 | Q.E.D. ENVIRONMENTAL SYSTEMS, INC. |
| 10415603 | Compressed air operated fluid pump applied to oil wells | Apr 09, 16 | Sep 17, 19 | Not available |
| 10294763 | Bellows valve and an injection valve | Dec 10, 15 | May 21, 19 | PETROLEUM TECHNOLOGY COMPANY AS |
| 10012059 | Gas lift optimization employing data obtained from surface mounted sensors | Jul 10, 15 | Jul 03, 18 | ExxonMobil Upstream Research Company |
| 10006448 | Hydraulic ram liquid suction pump apparatus and methods | Oct 07, 11 | Jun 26, 18 | THERMOFLUIDICS LIMITED |
| 9587483 | Landfill well liquid level control pump | Feb 16, 15 | Mar 07, 17 | Q.E.D. ENVIRONMENTAL SYSTEMS, INC. |
| 9518674 | High pressure valve assembly | Nov 24, 14 | Dec 13, 16 | SENIOR IP GMBH |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0067,281 | BRINE DISPERSAL SYSTEM | Nov 14, 24 | Feb 27, 25 | Not available |
| 2024/0076,971 | FLOATLESS PUMPS AND CONTROL SYSTEMS | Sep 06, 23 | Mar 07, 24 | Not available |
| 2019/0195,244 | Suction Pumps | Sep 01, 17 | Jun 27, 19 | Not available |
| Upgrade to the Professional Level to view Top Owners for this Subclass.Learn More |
|---|
