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

Sub-classes under this class:

Class Number Class Name Patents
405/1 Marine vessel portage, launching, or removing 78
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 66
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 260
405/154.1 Subterranean or submarine pipe or cable laying, retrieving, manipulating, or treating 271
405/185 Diving 117
405/195.1 Marine structure or fabrication thereof 755
405/229 Foundation 265
405/258.1 Earth treatment or control 120
405/303 Miscellaneous 372
405/36 Drainage or irrigation 626
405/52 Fluid control, treatment, or containment 552
405/8 Pressurized caisson 19

Patents under this class:

Patent Number Title Of Patent Date Issued

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