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
back to Watch Results Back to search results Back to News FeedStats
- 9 835 US PATENTS IN FORCE
- 254 US APPLICATIONS PENDING
- 905 Total Patent Owners
- 3248 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
Not AvailableRecent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2021/0164,617 | LIQUID PROPANE INJECTION PUMP | Feb 12, 21 | Jun 03, 21 | Not available |
| 2021/0148,383 | BLADELESS FAN IN THE FLUID PIPE | May 03, 18 | May 20, 21 | Not available |
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
- 37 Months (last 2 years Issuances)
- 37 Months (last 5 years Issuances)
We are sorry but Dashboard Viewer is not able to watch the Technologies/Sub-Technologies.
