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Class Information
Number: 134/22.11
Name: Cleaning and liquid contact with solids > Processes > Hollow work, internal surface treatment > Pipe, tubing, hose, or conduit
Description: Subject matter wherein the hollow work being treated has the shape of a relatively long and thin cylinder.










Sub-classes under this class:

Class Number Class Name Patents
134/22.13 With inorganic alkaline material treating agent 159
134/22.14 With organic treating agent (e.g., solvent, surfactant, or reactant yielding soluble product, etc.) 391
134/22.12 With pressurized fluid or fluid manipulation 616
134/22.15 With steam utilization 63


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12

Patent Number Title Of Patent Date Issued
8673088 Foam dispensing device Mar. 18, 2014
8668779 Method of simultaneously cleaning and disinfecting industrial water systems Mar. 11, 2014
8663393 Water-conducting household appliance and method for the operation thereof Mar. 4, 2014
8632639 Mobile cleaning device and method Jan. 21, 2014
8608863 System and method for flushing castings Dec. 17, 2013
8603254 Methods for clearing blockages in in-situ artificial lumens Dec. 10, 2013
8580043 Automated cleaning method for an aircraft fuselage interior Nov. 12, 2013
8574372 Nozzle cleaning method, nozzle cleaning device, and automatic analyzer Nov. 5, 2013
RE44518 Method of scarifying an interior surface of a pipeline Oct. 8, 2013
8551254 Systems and methods for robotic gutter cleaning along an axis of rotation Oct. 8, 2013
8524008 Method and device for cleaning substrates on a carrier Sep. 3, 2013
8491722 Pipeline pigs Jul. 23, 2013
8454755 Methods for evacuating particles from a hard drive component Jun. 4, 2013
8449687 Wash ring assembly and method of use May. 28, 2013
8449686 Methods for cleaning a drain line of a dialysis machine May. 28, 2013
8430111 Efficient liquid processing system Apr. 30, 2013
8388760 Portable one man root poisoning system for sewers Mar. 5, 2013
8382908 Methods for cleaning endotracheal tubes Feb. 26, 2013
8377222 Cleaning method and apparatus Feb. 19, 2013
8337630 Method for cleaning the compressor of a gas turbine engine Dec. 25, 2012
8323416 Process and composition for removing a scale deposit Dec. 4, 2012
8308869 Automated heat exchanger tube cleaning assembly and system Nov. 13, 2012
8287654 Apparatus for clearing tubing and related method Oct. 16, 2012
8268084 Liquid injection into gas stream Sep. 18, 2012
8262802 Method of removing deposits Sep. 11, 2012
8246758 Neutral or alkaline medium chain peroxycarboxylic acid compositions and methods employing them Aug. 21, 2012
8246756 Method for automatically flushing a bulk dispensing system in a cleaning appliance Aug. 21, 2012
8246752 Methods and devices to clear obstructions from medical tubes Aug. 21, 2012
8226774 Method for cleaning passageways such an endoscope channels using flow of liquid and gas Jul. 24, 2012
8202370 Method for removing acidic deposit Jun. 19, 2012
8172952 Reduction of hydrogen sulfide in water treatment systems or other systems that collect and transmit bi-phasic fluids May. 8, 2012
8163102 Composition for removing cementitious material from a surface and associated methods Apr. 24, 2012
8163099 Method and apparatus for reducing deposits in petroleum pipes Apr. 24, 2012
8157919 Methods for removing debris from medical tubes Apr. 17, 2012
8157922 Apparatus and method for processing inside of pipe Apr. 17, 2012
8128755 Cleaning solvent and cleaning method for metallic compound Mar. 6, 2012
8114221 Method and composition for cleaning tubular systems employing moving three-phase contact lines Feb. 14, 2012
8101026 CPC (copper pipe cleaner) attachment for standard power drills Jan. 24, 2012
8097090 Mitigation of deposits and secondary reactions in thermal conversion processes Jan. 17, 2012
8088228 Method and system for cleaning fluid reservoir of vascular access device Jan. 3, 2012
8083861 Apparatus and method for cleaning pipelines, tubing and membranes using two-phase flow Dec. 27, 2011
8080112 Method of washing pipework Dec. 20, 2011
8075699 Dispensing paper-roll core systems Dec. 13, 2011
8075696 Method of recovering heat transfer in reactor and regenerator effluent coolers Dec. 13, 2011
8075704 Method for the removal of airborne molecular contaminants using oxygen and/or water gas mixtures Dec. 13, 2011
8066817 Method and apparatus for reducing deposits in fluid conduits Nov. 29, 2011
8065772 Scrubbing element with welded wire leader Nov. 29, 2011
8048234 Method of cleaning pipes by action of a fluid under very high pressure Nov. 1, 2011
8048233 Methods and devices to clear obstructions from medical tubes Nov. 1, 2011
8034187 Sink drain adapter for drain cleaning device Oct. 11, 2011

1 2 3 4 5 6 7 8 9 10 11 12










 
 
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