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Class Information
Number: 405/13
Name: Hydraulic and earth engineering > Means to expose a normally wetted surface,e.g., cofferdam, etc. > Having transport, placement, or dislodgement means
Description: Method or apparatus wherein means are provided (a) to move the enclosing means from one location to another, or (b) to effect either installation of an already formed enclosing means at the site at which it is to be used or its removal therefrom.

Patents under this class:

Patent Number Title Of Patent Date Issued
8585324 Maintenance platform for off-shore construction Nov. 19, 2013
8297885 Method of erecting a building structure in a water basin Oct. 30, 2012
8066449 Method for dry isolation of a water passage of a dam Nov. 29, 2011
6652187 Portable cofferdam and method for stabilizing the structural integrity of box culvert bridges Nov. 25, 2003
6612550 Fence post Sep. 2, 2003
5292206 Device for sealing a caisson in a watertight way Mar. 8, 1994
5277517 Mobile cofferdam Jan. 11, 1994
4696597 Equipment for carrying out work, under dry conditions, on an underwater structure Sep. 29, 1987
4386872 Dredge environ protection assembly Jun. 7, 1983

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