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
Semiconductor memory device
Anti-infective agents and uses thereof
Method, system and program for securing redundancy in parallel computing system
Buckle
Wireless communication method, wireless communication system, and mode switching method
High voltage circuit for electrical stimulation
Gate timing for short servo wedge in disk memory systems
  Randomly Featured Patents
Method and apparatus for source synchronous testing
Building structure
Devices and techniques for a posterior lateral disc space approach
Child's growth measuring and registering devices
Thin laminated single pole perpendicular write head
Transmission with resiliently loaded mainshaft gears
Mobile terminal and network unit for multi-wireless technologies
Corkscrew
Performance carbon blacks
Method of hermetically sealing semiconductor devices