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Class Information
Number: 441/2
Name: Buoys, rafts, and aquatic devices > Buoy > With means to call buoy to surface
Description: Buoy normally lying submerged under a body of water and including means to cause the buoy to surface in response to a transmitted signal.










Patents under this class:

Patent Number Title Of Patent Date Issued
8613635 Fluid activated retrieval device Dec. 24, 2013
8353735 Submerged buoy Jan. 15, 2013
8167670 Blow-off float vehicle recovery apparatus May. 1, 2012
7946241 Methods and apparatus for marine deployment May. 24, 2011
7534152 Underwater float release system May. 19, 2009
7138603 Device for remotely decoupling coupled objects with a fusible link underwater Nov. 21, 2006
7112111 Closed loop buoyancy system Sep. 26, 2006
6739924 Remotely activated buoy May. 25, 2004
6690300 Marine engine throttle control method for single or twin engine applications Feb. 10, 2004
6537118 Subsea buoy Mar. 25, 2003
6379202 Underwater clamp-type release apparatus Apr. 30, 2002
6261142 Submersible and retrievable buoy Jul. 17, 2001
5516317 System to sink and float buoys May. 14, 1996
5460556 Variable buoyancy buoy Oct. 24, 1995
5449307 Sea surveillance and control apparatus Sep. 12, 1995
5348501 Compact retrievable marker buoy Sep. 20, 1994
5219245 Recovery system for a submerged instrument Jun. 15, 1993
5184328 Underwater release mechanism Feb. 2, 1993
5129848 Controllable variable depth mooring system and method Jul. 14, 1992
5100353 Electromagnetic marker float release Mar. 31, 1992
5080684 Floating device for releasing safety equipment Jan. 14, 1992
5069575 Roll forming notches in a thin-wall power transmission member Dec. 3, 1991
5067429 Method for mooring and connecting an end of a flexible line with a conduit of a floating offshore edifice Nov. 26, 1991
5022013 Underwater release apparatus, underwater release system and method Jun. 4, 1991
5003514 Deep ocean recoverable acoustic sensor vehicle Mar. 26, 1991
4839873 Subsea acoustic relocation system Jun. 13, 1989
4834684 Ball lock release mechanism May. 30, 1989
4777819 Untethered oceanographic sensor platform Oct. 18, 1988
4731036 Indicator means Mar. 15, 1988
4722498 Inflatable air foil Feb. 2, 1988
4666338 Ocean bottom seismometer release mechanism May. 19, 1987
4664559 Remotely operated magnetic release for anchored aquatic instrumentation May. 12, 1987
4557697 Method of delivering to ocean bottom and raising to surface of station for deep water researches and design of station delivered using said method Dec. 10, 1985
4547163 Oil transfer apparatus Oct. 15, 1985
4546721 Submerged single point mooring system Oct. 15, 1985
4535430 Subsea acoustic relocation system Aug. 13, 1985
4507093 Buoy device for automatic raising of submerged objects Mar. 26, 1985
4430552 Thermal release device Feb. 7, 1984
4262379 Automatically surfacing marker buoy for lobster or crab traps or the like Apr. 21, 1981
4136415 Underwater release mechanism Jan. 30, 1979
3981036 Life saving buoy for small vessels Sep. 21, 1976











 
 
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