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Class Information
Number: 405/263
Name: Hydraulic and earth engineering > Earth treatment or control > Chemical
Description: Method or apparatus wherein a substance which is to be used in or is formed by a chemical process is applied directly to an earth formation to either (a) form a coating on said formation, (b) impregnate the formation, or (c) fill a subterranean cavity within the formation.

Sub-classes under this class:

Class Number Class Name Patents
405/266 Cementitious (e.g., grouting) 266
405/264 Organic 286

Patents under this class:
1 2 3 4 5 6 7 8

Patent Number Title Of Patent Date Issued
8690486 Method and device for measuring underground pressure Apr. 8, 2014
8459354 Self-sealing method Jun. 11, 2013
8328469 Method and apparatus for rainwater remediation on outdoor playing field surfaces Dec. 11, 2012
8210776 Calcification method using calcifying bacteria Jul. 3, 2012
7918627 Method of treating soil, in particular dry soil sensitive to water Apr. 5, 2011
7878731 Method of stabilizing road beds Feb. 1, 2011
7841804 Method and composition for stabilizing earth and sand to prevent soil erosion Nov. 30, 2010
7789591 Method and arrangement for improving soil and/or for lifting structures Sep. 7, 2010
7740419 Method for improving soft ground Jun. 22, 2010
7686542 Method of protecting a surface of rock or soil Mar. 30, 2010
7682107 Remote mine seal spray nozzle assembly, system and methods of use Mar. 23, 2010
7651301 Drilling head, method of soil improvement work and apparatus thereof Jan. 26, 2010
7645097 Method for saturating cavities present in a mass of soil or in a body in general Jan. 12, 2010
7631689 Sulfur barrier for use with in situ processes for treating formations Dec. 15, 2009
7556686 Material composition using mainly yellow soil for civil engineering and construction Jul. 7, 2009
7462001 Method for repairing, waterproofing, insulating, reinforcing, restoring of wall systems Dec. 9, 2008
7452163 Method of treatment, stabilization and heave control for chromite ore processing residues (COPR) and chromium contaminated soils Nov. 18, 2008
7438500 Erosion resistant barrier with varying permeabilities Oct. 21, 2008
7427177 Method of using pulsed ozone to treat soils containing organic contaminants Sep. 23, 2008
7404694 Method and device for stabilizing a cavity excavated in underground construction Jul. 29, 2008
7381014 Natural analog system for reducing permeability of ground Jun. 3, 2008
7374371 Process and composition for forming an earthen hardpan May. 20, 2008
7301066 Method of making and using nanoscale metal Nov. 27, 2007
7163358 Injection grouting Jan. 16, 2007
RE39188 Irrigation method Jul. 18, 2006
7004687 Hydrotropic additive for process water used to condition and stabilize soils and other base materials used in construction Feb. 28, 2006
6916366 Aqueous composition for rendering a substrate hydrophobic Jul. 12, 2005
6897186 Composition and method for dual function soil grouting excavating or boring fluid May. 24, 2005
6869256 Sealing composition and its use Mar. 22, 2005
6857824 Sealing composition and its use Feb. 22, 2005
6855650 Synthetic fiber filled erosion control blanket Feb. 15, 2005
6802805 Method for recombining soil Oct. 12, 2004
6729805 Methods and compositions for reducing dust and erosion of earth surfaces May. 4, 2004
6685398 Method to form in-situ pilings with diameters that can differ from axial station to axial station Feb. 3, 2004
6648551 Method for stabilizing and reducing permeability of geologic or waste materials Nov. 18, 2003
6634831 Method for increasing the bearing capacity of foundation soils for built structures Oct. 21, 2003
6623646 In-situ chemical oxidation-reduction and precipitation of heavy metals in soils and groundwater Sep. 23, 2003
6589654 Construction material and method Jul. 8, 2003
6537340 Process for recycling materials used in water treatment Mar. 25, 2003
6508609 Method of forming an in-situ void system Jan. 21, 2003
6492572 Method for remediating contaminated soils Dec. 10, 2002
6474908 Chemical oxidation of volatile organic compounds Nov. 5, 2002
6457905 In-situ deep remediation injection system and method Oct. 1, 2002
6443661 Method and composition for reducing dust and erosion of earth surfaces Sep. 3, 2002
6428695 Aquifer remediation barrier for removal of inorganic contaminants Aug. 6, 2002
6419836 Composition for treatment of water and reconditioning of soils Jul. 16, 2002
6416252 In situ formation of phosphate barriers in soil Jul. 9, 2002
6368659 Process for consolidating and hydrophobicizing soil materials Apr. 9, 2002
6348639 Biological system for degrading nitroaromatics in water and soils Feb. 19, 2002
6344355 Anaerobic bioremediation system Feb. 5, 2002

1 2 3 4 5 6 7 8

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