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Class Information
Number: 405/138.2
Name: Hydraulic and earth engineering >
Description:










Sub-classes under this class:

Class Number Class Name Patents
405/1 Marine vessel portage, launching, or removing 77
405/11 Means to expose a normally wetted surface,e.g., cofferdam, etc. 17
405/128.1 Soil remediation 66
405/129.1 Subterranean waste disposal, containment, or treatment 64
405/130 Temperature modification or control of earthen formation 93
405/132 Underground passageway, e.g., tunnel 124
405/15 Bank, shore, or bed protection 259
405/154.1 Subterranean or submarine pipe or cable laying, retrieving, manipulating, or treating 269
405/185 Diving 117
405/195.1 Marine structure or fabrication thereof 751
405/229 Foundation 261
405/258.1 Earth treatment or control 120
405/303 Miscellaneous 372
405/36 Drainage or irrigation 624
405/52 Fluid control, treatment, or containment 547
405/8 Pressurized caisson 19


Patents under this class:

Patent Number Title Of Patent Date Issued











 
 
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