Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Industrial
Class Information
Number: 417/111
Name: Pumps > One fluid pumped by contact or entrainment with another > Aerated column > Valved gas inlet > Plural serially actuated valves
Description: Apparatus wherein said valve means comprises plural valves mounted at vertically spaced levels along said vertical column, and having common mechanical or electrical actuating means to actuate or permit the actuation of the valves in a particular sequence.










Patents under this class:

Patent Number Title Of Patent Date Issued
8418768 Bypass gaslift system, apparatus, and method for producing a multiple zones well Apr. 16, 2013
7500525 Gas well de-watering apparatus and method Mar. 10, 2009
7278489 Gas turbine for oil lifting Oct. 9, 2007
4715441 Side pocket mandrel Dec. 29, 1987
4545731 Method and apparatus for producing a well Oct. 8, 1985
4295795 Method for forming remotely actuated gas lift systems and balanced valve systems made thereby Oct. 20, 1981
4251191 Method for lifting oil in a well Feb. 17, 1981











 
 
  Recently Added Patents
Method and apparatus for wireless transmission of diagnostic information
Hepatitis C virus inhibitors
Processes for producing polyunsaturated fatty acids in transgenic organisms
Electronic package with fluid flow barriers
Liquid crystal display device and driving method thereof
Thermoplastic fluoropolymer composition
Random access point (RAP) formation using intra refreshing technique in video coding
  Randomly Featured Patents
Associating therapy adjustments with patient posture states
Direct injection micro nebulizer and enclosed filter solvent removal sample introduction system, and method of use
Folding multipurpose pocket tool with floating springs
Method for generating hypermutable plants
Alkyl, cycloalkyl diethers of (poly)alkylene glycols
Microwave oven control with mechanical switch lock-out
Method and device for address translation for compressed instructions
N-Phenyl amidines
Article with identifying device
Surface position detection apparatus and method, and exposure apparatus and device manufacturing method using the exposure apparatus