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
Adaptive known signal canceller
Printer
Display screen with graphical user interface
Amide derivatives, process for preparation thereof and use thereof as insecticide
Mode detection for DVB receiver
Adapter
Method and apparatus for providing very high throughput operation and capability signaling for wireless communications
  Randomly Featured Patents
Air port casting
Wrench socket holder
Clock and data recovery circuits utilizing digital delay lines and digitally controlled oscillators
Optical pin apparatus for measuring the arrival time and velocity of shock waves and particles
Wind resistant two axis tracker for energy or radiation concertrators
Braking system for braking a rotor relative to a stator
Pulsed gas laser using acoustic diodes for circulation of the gas
Energy attenuation apparatus for a system conveying liquid under pressure and method of attenuating energy in such a system
Method and system for routing and filtering network data packets in fibre channel systems
Method of and apparatus for blending textile fibers