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
Stats
- 992 US PATENTS IN FORCE
- 321 US APPLICATIONS PENDING
- 905 Total Patent Owners
- 3,545 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 |
| 1/10 | 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) of multiple type, e.g. with two or more units in parallel (F04F 1/08 takes precedence) |
| 1/12 | 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) of multiple type, e.g. with two or more units in parallel (F04F 1/08 takes precedence) in series |
| 1/14 | 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) adapted to pump specific liquids, e.g. corrosive or hot liquids |
| 1/16 | 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) characterised by the fluid medium being suddenly pressurised, e.g. by explosion |
| 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 |
| 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 |
| 3/00 | Pumps using negative pressure acting directly on the liquid to be pumped (siphons F04F 10/00) |
| 5/00 | Jet pumps, i.e. devices in which fluid flow is induced by pressure drop caused by velocity of another fluid flow (diffusion pumps F04F 9/00; combination of jet pumps with pumps of other than jet type F04B; use of jet pumps for priming or boosting non-positive-displacement pumps F04D) |
| 5/02 | Jet pumps, i.e. devices in which fluid flow is induced by pressure drop caused by velocity of another fluid flow (diffusion pumps F04F 9/00; combination of jet pumps with pumps of other than jet type F04B; use of jet pumps for priming or boosting non-positive-displacement pumps F04D) the inducing fluid being liquid |
| 5/04 | Jet pumps, i.e. devices in which fluid flow is induced by pressure drop caused by velocity of another fluid flow (diffusion pumps F04F 9/00; combination of jet pumps with pumps of other than jet type F04B; use of jet pumps for priming or boosting non-positive-displacement pumps F04D) the inducing fluid being liquid displacing elastic fluids |
| 5/06 | Jet pumps, i.e. devices in which fluid flow is induced by pressure drop caused by velocity of another fluid flow (diffusion pumps F04F 9/00; combination of jet pumps with pumps of other than jet type F04B; use of jet pumps for priming or boosting non-positive-displacement pumps F04D) the inducing fluid being liquid displacing elastic fluids of rotary type |
| 5/08 | Jet pumps, i.e. devices in which fluid flow is induced by pressure drop caused by velocity of another fluid flow (diffusion pumps F04F 9/00; combination of jet pumps with pumps of other than jet type F04B; use of jet pumps for priming or boosting non-positive-displacement pumps F04D) the inducing fluid being liquid displacing elastic fluids the elastic fluid being entrained in a free-falling column of liquid |
| 5/10 | Jet pumps, i.e. devices in which fluid flow is induced by pressure drop caused by velocity of another fluid flow (diffusion pumps F04F 9/00; combination of jet pumps with pumps of other than jet type F04B; use of jet pumps for priming or boosting non-positive-displacement pumps F04D) the inducing fluid being liquid displacing liquids, e.g. containing solids, or liquids and elastic fluids |
| 5/12 | Jet pumps, i.e. devices in which fluid flow is induced by pressure drop caused by velocity of another fluid flow (diffusion pumps F04F 9/00; combination of jet pumps with pumps of other than jet type F04B; use of jet pumps for priming or boosting non-positive-displacement pumps F04D) the inducing fluid being liquid displacing liquids, e.g. containing solids, or liquids and elastic fluids of multi-stage type |
| 5/14 | Jet pumps, i.e. devices in which fluid flow is induced by pressure drop caused by velocity of another fluid flow (diffusion pumps F04F 9/00; combination of jet pumps with pumps of other than jet type F04B; use of jet pumps for priming or boosting non-positive-displacement pumps F04D) the inducing fluid being elastic fluid |
Recent Patents
Not Available
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2024/0117,820 | PISTONS FOR USE IN FLUID EXCHANGE DEVICES AND RELATED DEVICES, SYSTEMS, AND METHODS | Dec 19, 23 | Apr 11, 24 | Not available |
Top Owners in This Class
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Applications Filed in This Class - By Year
Patents Issued To Date - By Filing Year
Average Time to Issuance
- 37 Months (last 2 years Issuances)
- 37 Months (last 5 years Issuances)