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Class Information
Number: 134/10
Name: Cleaning and liquid contact with solids > Processes > Including regeneration, purification, recovery or separation of agent used
Description: Processes in which the treating agent used is subjected to a treatment after use to (1) regenerate the same, (2) purify the same in any way, (3) recover the same, or (4) separate the same from contaminants derived from any source (usually the work treated whether the agent is to be reused or not, and even though the ingredients separated from the work are recovered for use). The removal of the work from the treating agent is not considered as any of such operations.


Sub-classes under this class:

Class Number Class Name Patents
134/13 By crystallizing, precipitating, or eliminating dissolved solids from used agent 164
134/12 By distilling, or liquefying vapors of, used agent 309
134/11 Gas or vapor form agent condensed or absorbed on work 193


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18

Patent Number Title Of Patent Date Issued
7618495 Method for pickling a work string using dispersed solvent-in-acid fluid design Nov. 17, 2009
7604702 Method, apparatus, and system for bi-solvent based cleaning of precision components Oct. 20, 2009
7588644 Method and apparatus for cleaning pipeline pigs Sep. 15, 2009
7585372 Method and apparatus for generating gas pulses Sep. 8, 2009
7585375 Method of cleaning a surface Sep. 8, 2009
7585373 Dishwashing machine Sep. 8, 2009
7566369 Method of de-coating metallic coated scrap pieces Jul. 28, 2009
7562664 Apparatus, products and processes for preventing the occurrence of rust stains resulting from irrigation systems using water containing iron ions Jul. 21, 2009
7552503 Apparatus and method for cleaning a surface with high pressure air Jun. 30, 2009
7544253 Method and apparatus for flushing asphalt feeding devices Jun. 9, 2009
7534304 Non-aqueous washing machine and methods May. 19, 2009
7531048 On-wing combustor cleaning using direct insertion nozzle, wash agent, and procedure May. 12, 2009
7527697 Process for removing water and apparatus for removing water May. 5, 2009
7527061 Dishwasher and method for controlling the same May. 5, 2009
7517414 Method of cleaning and degreasing surfaces Apr. 14, 2009
7513004 Method for fluid recovery in a semi-aqueous wash process Apr. 7, 2009
7497913 Method and apparatus for colloidal particle cleaning Mar. 3, 2009
7488418 Methods and apparatuses for filtering water Feb. 10, 2009
7481893 Cleaning textiles Jan. 27, 2009
7459092 Aircraft rinse system Dec. 2, 2008
7445676 Method for removal of particulate matter Nov. 4, 2008
7422021 Method of cleaning oil strainer Sep. 9, 2008
7413615 Method of transferring polymerizable liquid and apparatus for transfer Aug. 19, 2008
7404864 Method of operating a dishwasher pump and filtration system Jul. 29, 2008
7399367 Rust-preventive water-oil separating cleaner composition and a cleaning method using the same Jul. 15, 2008
7399366 Product and processes for preventing the occurrence of rust stains resulting from irrigation systems using water containing iron ions and for cleaning off rust stains resulting from using said Jul. 15, 2008
7383841 Method of cleaning substrate-processing device and substrate-processing device Jun. 10, 2008
7381279 Article for deionization of water Jun. 3, 2008
7377982 Method for the removal of airborne molecular contaminants using water gas mixtures May. 27, 2008
7372049 Lithographic apparatus including a cleaning device and method for cleaning an optical element May. 13, 2008
7368057 Method and system for removing residual water from excess washcoat by ultrafiltration May. 6, 2008
7368019 Method for preventing elution of lead and/or nickel from copper alloy piping material such as valve or pipe joint and copper alloy piping material, and fluid for use in cleaning piping materia May. 6, 2008
7364627 Method for controlling concrete washout Apr. 29, 2008
7361232 Method and apparatus for cleaning the cutting system of an electric shaver Apr. 22, 2008
7361283 Extraction and treatment of heavy metals Apr. 22, 2008
7348188 Method for analyzing metal element on surface of wafer Mar. 25, 2008
7338563 Process for cleaning hydrocarbons from soils Mar. 4, 2008
7338604 Process for recycling paint flush solution Mar. 4, 2008
RE40098 Food debris filtering apparatus for dishwasher and method thereof Feb. 26, 2008
7326304 Control of the pH in washwater recovery system for a glass forming line Feb. 5, 2008
7326673 Treatment of semiconductor substrates using long-chain organothiols or long-chain acetates Feb. 5, 2008
7316751 Cleaner with high pressure cleaning jets Jan. 8, 2008
7305998 Mobile flushing unit and process Dec. 11, 2007
7300523 Method for selectively washing used reaction cuvettes in an automatic analyzer Nov. 27, 2007
7297260 System and devices for collecting and treating waste water from engine washing Nov. 20, 2007
7297277 Method for purifying a dry cleaning solvent Nov. 20, 2007
7282099 Dense phase processing fluids for microelectronic component manufacture Oct. 16, 2007
7267727 Processing of semiconductor components with dense processing fluids and ultrasonic energy Sep. 11, 2007
7264678 Process for cleaning a surface Sep. 4, 2007
7258749 Wash fluid containment system Aug. 21, 2007

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