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Class Information
Number: 137/209
Name: Fluid handling > Diverse fluid containing pressure systems > Gas pressure storage over or displacement of liquid > With gas maintenance or application
Description: Apparatus wherein means are provided to maintain or apply the gas pressure over or to the liquid.










Sub-classes under this class:

Class Number Class Name Patents
137/210 Gas carried by or evolved from liquid 45
137/211.5 Gas injected by liquid pressure or flow 7
137/212 Unitary mounting for gas pressure inlet and liquid outlet 126


Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
8667977 Oxygen sensor for tank safety Mar. 11, 2014
8662098 System and method of winterizing a plumbing system Mar. 4, 2014
8651130 Fluid supply Feb. 18, 2014
8647720 Method of mixing and applying multi-component paint Feb. 11, 2014
8612063 Temperature control setpoint offset for ram air minimization Dec. 17, 2013
8602049 Methods and apparatus for filling superconductive magnets Dec. 10, 2013
8561631 Liquid impact pressure control methods and systems Oct. 22, 2013
8534489 Demisable fuel supply system Sep. 17, 2013
8511504 Demisable fuel supply system Aug. 20, 2013
8501282 Paint applicator Aug. 6, 2013
8434509 Tank for containing liquids May. 7, 2013
8408234 Process liquid supply system, process liquid supply method, and storage medium Apr. 2, 2013
8365758 Beverage barrel bladder system and apparatus Feb. 5, 2013
8322362 Backup pneumatic water pressure device Dec. 4, 2012
8196904 Device for discharging liquid from a tank and method for emptying the residue from a line section Jun. 12, 2012
8176930 Water supply apparatus for use in ice maker May. 15, 2012
8171876 Applicator and method for transferring dispersion liquid May. 8, 2012
RE43288 High purity fluid delivery system Apr. 3, 2012
8118052 Method of forming a polyurethane foam Feb. 21, 2012
8074932 NEA distribution system for OBIGGS applications Dec. 13, 2011
8074933 Aircraft graywater ejection system Dec. 13, 2011
7938959 Fryer oil usage system May. 10, 2011
7921869 Flow control for on-board inert gas generation system Apr. 12, 2011
7918242 Processing solution supply system, processing solution supply method and recording medium for storing processing solution supply control program Apr. 5, 2011
7878214 Ullage pressure regulator Feb. 1, 2011
7837764 Oxygen exchange manifold, systems and methods for inerting a volatile environment Nov. 23, 2010
7832432 Chemical delivery apparatus for CVD or ALD Nov. 16, 2010
7810516 Control of fluid conditions in bulk fluid distribution systems Oct. 12, 2010
7766032 Fuel container for fuel cell Aug. 3, 2010
7748400 Chemical delivery apparatus for CVD or ALD Jul. 6, 2010
7641448 Cleaning an ink chamber of a printing unit Jan. 5, 2010
7568495 Chemical delivery apparatus for CVD or ALD Aug. 4, 2009
7509968 Flow control for on-board inert gas generation system Mar. 31, 2009
7506659 System for liquid removal in a vacuum environment Mar. 24, 2009
7493906 Distribution/retention plate for minimizing off-gassing Feb. 24, 2009
7481237 System and method for monitoring the performance of an inert gas distribution system Jan. 27, 2009
7438080 System and method for dewatering an area Oct. 21, 2008
7334595 Cabinet for chemical delivery with solvent purging and removal Feb. 26, 2008
7296586 Gas-regulating unit for regulating a gas pressure in a gas-tight tank Nov. 20, 2007
7287543 Hydraulic device Oct. 30, 2007
7278438 Apparatus and process for refilling a bubbler Oct. 9, 2007
7264327 Pressure regulation by transfer of a calibrated gas volume Sep. 4, 2007
7234484 Pressure tank apparatus and method Jun. 26, 2007
7198056 High purity chemical delivery system Apr. 3, 2007
7168442 Liquid handling system Jan. 30, 2007
7044404 Pneumatic liquid-delivery device May. 16, 2006
7013905 System and method for monitoring the performance of an inert gas distribution system Mar. 21, 2006
7004185 Liquid loading techniques Feb. 28, 2006
7001466 Systems and methods for automatic and continuous coating supply during optical fiber production Feb. 21, 2006
6971399 Emergency supply system to supplant interrupted public and private utilities Dec. 6, 2005

1 2 3 4 5 6










 
 
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