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Class Information
Number: 405/217
Name: Hydraulic and earth engineering > Marine structure or fabrication thereof > In or on frozen media
Description: Method or apparatus wherein the structure is located in an environment of ice, snow, or below-freezing temperature.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8641327 Methods and apparatus for protecting offshore structures Feb. 4, 2014
8523491 Mobile, year-round arctic drilling system Sep. 3, 2013
8511246 Offshore floating production, storage, and off-loading vessel for use in ice-covered and clear water applications Aug. 20, 2013
8376659 Arctic platform method Feb. 19, 2013
8226326 Arctic platform Jul. 24, 2012
7958835 Offshore floating production, storage, and off-loading vessel for use in ice-covered and clear water applications Jun. 14, 2011
7850398 Jackup oil rig and similar platforms Dec. 14, 2010
7635238 Device for preventing dock piling or structure piling uplift Dec. 22, 2009
7524143 Loading system for ice infested waters Apr. 28, 2009
7421966 Device for protecting dock anchor posts from ice damage Sep. 9, 2008
7300228 Method and apparatus for preventing dock or structure piling uplift Nov. 27, 2007
7150241 Device for protecting dock anchor posts from ice damage Dec. 19, 2006
6712558 Ice composite body and process for the construction thereof Mar. 30, 2004
6371695 Offshore caisson having upper and lower sections separated by a structural diaphragm and method of installing the same Apr. 16, 2002
6099208 Ice composite bodies Aug. 8, 2000
5823714 Universal, environmentally safe, modular caisson systems and caisson mudules for use therewith Oct. 20, 1998
5613808 Stepped steel gravity platform for use in arctic and subarctic waters Mar. 25, 1997
5567078 Method for forming a sloped face ice control structure Oct. 22, 1996
5383748 Offshore structure and installation method Jan. 24, 1995
5316413 Offshore double cone structure May. 31, 1994
5292207 Ice crush resistant caisson for arctic offshore oil well drilling Mar. 8, 1994
5269632 Method for strengthening the structural base of offshore structures Dec. 14, 1993
5186581 Gravity base structure of an offshore platform resisting to icebergs Feb. 16, 1993
5108227 Telescoping frostproofing sleeve expandable to frost depths of area Apr. 28, 1992
5061122 Method of constructing a man-made sea defense system in the open ocean Oct. 29, 1991
5055185 Anti-freeze separator assembly Oct. 8, 1991
5044830 Gravity base structure for an offshore platform in arctic regions Sep. 3, 1991
5035541 Rubble-spray ice island Jul. 30, 1991
4963058 Protective barrier for the protection of offshore marine works, and method of installation of the same Oct. 16, 1990
4923336 Dock supporting apparatus May. 8, 1990
4906138 Gravity base structure for an offshore platform in arctic regions Mar. 6, 1990
4854780 System and method of damping waves on a body of water using towable field of ice pieces of random sizes Aug. 8, 1989
4828431 Strengthened protective structure May. 9, 1989
4826353 Protection of marine installation from moving ice May. 2, 1989
4808036 Mobile marine operations structure Feb. 28, 1989
4786210 Arctic production/terminal facility Nov. 22, 1988
4784526 Arctic offshore structure and installation method therefor Nov. 15, 1988
4767239 Method and apparatus for constructing an ice structure Aug. 30, 1988
4759663 Method of placing concrete into a steel encasement Jul. 26, 1988
4755082 Removable bottom founded structure Jul. 5, 1988
4738566 Ice deflector Apr. 19, 1988
4725166 Mobile marine operations structure Feb. 16, 1988
4716972 Floating drilling platform Jan. 5, 1988
4701075 Reinforced concrete offshore platform Oct. 20, 1987
4699545 Spray ice structure Oct. 13, 1987
4695194 Mobile marine operations structure Sep. 22, 1987
4692065 Offshore unit structure Sep. 8, 1987
4666341 Mobile sea barge and plateform May. 19, 1987
4666342 Ice berm for use as a foundation for an arctic offshore structure May. 19, 1987
4666343 Protective construction for a platform installed in the open sea against the impact of floating objects May. 19, 1987

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