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Class Information
Number: 405/8
Name: Hydraulic and earth engineering > Pressurized caisson
Description: Method or apparatus relating to an open bottomed work chamber which is adapted to be placed below the surface of a body of water or the earth, which, while in place, has a portion which extends above said surface to allow access to the chamber and which is supplied with a compressed gas to elevate the pressure therein to prevent the ingress of flowable material.










Sub-classes under this class:

Class Number Class Name Patents
405/9 Having lifting cable 0
405/10 Movable relative to mobile support 3


Patents under this class:

Patent Number Title Of Patent Date Issued
8104998 Hydraulic elevation apparatus and method Jan. 31, 2012
7934889 Hydraulic elevation apparatus and method May. 3, 2011
6979147 Enhanced LNG tanker offloading in shallow waters Dec. 27, 2005
6840189 Method and apparatus for enabling work to be carried out on a submerged portion of a vessel Jan. 11, 2005
6712979 Enclosed excavator for low moisture contaminated sediment removal Mar. 30, 2004
6450732 Caisson for absorbing wave energy Sep. 17, 2002
6318471 Method for installing tubular members axially into the earth Nov. 20, 2001
6305881 Barge stabilization method Oct. 23, 2001
6234714 Pier and wharf structures having means for directly transferring cargo between two vessels or between a vessel and railcars May. 22, 2001
6017167 Modular caissons for use in constructing, expanding and modernizing ports and harbors Jan. 25, 2000
5951216 Programmable, variable volume and pressure, coolant system Sep. 14, 1999
5823708 Device which provides an underwater dry workshop environment for ship propeller inspection and repair Oct. 20, 1998
5823714 Universal, environmentally safe, modular caisson systems and caisson mudules for use therewith Oct. 20, 1998
5803659 Modular caissons for use in constructing, expanding and modernizing ports and harbors. Sep. 8, 1998
5567076 Welding chamber Oct. 22, 1996
5302052 Underground work chamber assembly and method for the construction thereof Apr. 12, 1994
5098219 Mobile submersible caisson for underwater oil-well drilling and production Mar. 24, 1992
4990026 Process for lowering building structures Feb. 5, 1991
4224156 Weir skimmer Sep. 23, 1980











 
 
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