Description
PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED (containers or packages with special means for dispensing liquid or semi-liquid contents by internal gaseous pressure B65D 83/14); SIPHONS
F04F
Technology
Sub-Class
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- 6 419 US PATENTS IN FORCE
- 92 US APPLICATIONS PENDING
- 798 Total Patent Owners
- 2311 TOTAL INVENTORS
Subclasses
| Subclass | Title |
|---|---|
| 1/00 | 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) |
| 1/02 | 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) using both positively and negatively pressurised fluid medium, e.g. alternating |
| 1/04 | 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) using both positively and negatively pressurised fluid medium, e.g. alternating generated by vaporising and condensing |
| 1/06 | 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) |
| 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 |
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 9,121,324 | Device with a particle screen for providing liquid reducing agent | Mar 03, 14 | Sep 01, 15 | EMITEC GESELLSCHAFT FUER EMISSIONSTECHNOLOGIE MBH |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2015/0240,764 | LIQUID TRAP WITH INTEGRAL JET PUMP | May 11, 15 | Aug 27, 15 | EATON CORPORATION |
| 2015/0240,791 | SOLAR WATER PUMP | Oct 26, 12 | Aug 27, 15 | |
| 2015/0240,838 | VIBRATION SUPPRESSION DEVICE FOR JET PUMP AND JET PUMP | Jan 30, 15 | Aug 27, 15 | KABUSHIKI KAISHA TOSHIBA |
| 2015/0233,221 | Hydraulic Powered Downhole Pump | Feb 27, 15 | Aug 20, 15 | TECH FLO CONSULTING, LLC |
| 2015/0233,393 | SUPER ASPIRATOR WITH INTEGRATED DUAL FLOW SHUT OFF | Jan 26, 15 | Aug 20, 15 |
Top Owners in This Class
Top Owners in This Subclass
Applications Filed in This Class - By Year
Applications Filed in This Subclass - By Year
Patents Issued To Date - By Filing Year
Average Time to Issuance
- 33 Months (last 2 years Issuances)
- 33 Months (last 5 years Issuances)
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