Resources Contact Us Home
Browse by Category: Main > Engineering
Class Information
Number: 137/211
Name: Fluid handling > Diverse fluid containing pressure systems > Gas pressure storage over or displacement of liquid > With gas maintenance or application > Gas carried by or evolved from liquid > Gas injectors
Description: Apparatus with a device to add or inject gas into the liquid of the system to replenish the gas over the liquid.

Patents under this class:

Patent Number Title Of Patent Date Issued
6899116 Pressure vessel systems and methods for dispensing liquid chemical compositions May. 31, 2005
6217770 Apparatus and method for treatment of water Apr. 17, 2001
6047721 Air introduction device for a hydro-pneumatic reservoir Apr. 11, 2000
5988196 Cyclically-operated hydraulic device particularly useful as a liquid pulsators, and method of operating same Nov. 23, 1999
5240043 Water system Aug. 31, 1993
4545801 Raw material supply device Oct. 8, 1985
4103686 Dual valve assembly Aug. 1, 1978
4025234 Apparatus for obtaining artificial gravity in liquids May. 24, 1977
4002184 Water flow actuated air charging device Jan. 11, 1977
3981319 Cycling air volume control Sep. 21, 1976

  Recently Added Patents
Interaction analysis and prioritization of mobile content
Methods and systems for managing print device supplies using cloud administration system configured for chemical signature tracking
Pharmaceutical composition for treating CAPRIN-1 expressing cancer
Continuously variable transmission and control method thereof
Probe card holding apparatus with probe card engagement structure
Materials and methods for synthesis of a flavor and aroma volatile in plants
Transmission apparatus and network protection method
  Randomly Featured Patents
Ophthalmic photographic apparatus
Semiconductor laser including periodic structures with different periods for producing a single wavelength of light
Scanning device and method
Drive device for roll stands
Low-speed DLL employing a digital phase interpolator based upon a high-speed clock
Lubricant applicator for golden finger interface
Motor cable device
Determining request destination
Oil removal from waterflooding injection water
Trialkylammonium alkyl carboxylate primer for cyanoacrylate bonding of polymeric substrates