F04F

Watch

Stats

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

Subclasses

Not Available
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

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Recent Patents

Not Available

Recent Publications

Not Available
Publication #TitleFiling DatePub DatePatent Owner
2019/0368,512 ELECTROCHEMICAL PUMP Mar 14, 19 Dec 05, 19 , Not available
2019/0360,440 Fluid Conveying Device Sep 13, 17 Nov 28, 19 , Not available
2019/0353,185 BI-DIRECTIONAL, WATER SEPARATING FLOW NOZZLE May 17, 18 Nov 21, 19 , Not available

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Patents Issued To Date - By Filing Year

Average Time to Issuance

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