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Class Information
Number: 405/185
Name: Hydraulic and earth engineering > Diving
Description: Method or apparatus wherein (a) means are provided within which personnel may be lowered into a body of water to perform a submerged operation, or (b) a submersible means is provided which is either remotely controlled by personnel at the water surface or is operated or occupied by a diver to perform an underwater operation.

Sub-classes under this class:

Class Number Class Name Patents
405/190 Remote control 59
405/186 Suit or accessory therefor 286
405/188 Underwater docking or mooring 91
405/192 With air lock 23
405/194 With continuous surface access 14
405/193 With pressure equalization 28

Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8475083 Umbilical for underwater diving Jul. 2, 2013
8235038 Scuba mask purging apparatus and method Aug. 7, 2012
8152413 Method of and apparatus for bouyancy compensation for divers Apr. 10, 2012
8033755 Safety device, diving equipment and safety method for scuba diving Oct. 11, 2011
8011364 Exhalation valve for use in an underwater breathing device Sep. 6, 2011
8009517 Wireless communication system, transmitting device, receiving device and information processing apparatus Aug. 30, 2011
7922425 Apparatus, system and method for recovery of artifacts and eradication of invasive species in aquatic environments Apr. 12, 2011
7909540 Portable surface air supply system Mar. 22, 2011
7775744 Weighting belt Aug. 17, 2010
7621267 Scuba mask purging apparatus and method Nov. 24, 2009
7572160 Mimetic gear Aug. 11, 2009
7540690 Adjustable size buoyancy compensator Jun. 2, 2009
7497645 Apparatus, system and method for recovery of artifacts and eradication of invasive species in aquatic environments Mar. 3, 2009
7267508 Satellite system for shallow diving Sep. 11, 2007
7201539 Diving aid Apr. 10, 2007
7189128 Mimetic gear Mar. 13, 2007
7174844 Simulator and method for performing underwater submarine escape training Feb. 13, 2007
7124701 Propulsion system for scuba diver Oct. 24, 2006
7125201 Scuba diver weight carrying backpack Oct. 24, 2006
7083361 Aquatic breathing apparatus, system, and associated methods Aug. 1, 2006
6966726 Buoyancy compensator Nov. 22, 2005
6857820 Diving back plate Feb. 22, 2005
6805519 Garment integrated multi-chambered personal flotation device or life jacket Oct. 19, 2004
6755192 Apparatus for preventing or minimizing decompression illness in a scuba diver Jun. 29, 2004
6749370 Buoyancy compensating jacket Jun. 15, 2004
6666623 Buoyancy control device and method for controlling divers ascent Dec. 23, 2003
6527479 Break away counterweight with neutralizing buoyancy offset for diver's safety Mar. 4, 2003
6499913 Hydrostatic balancing jacket with removable ballast Dec. 31, 2002
6461080 Balancing jacket for divers Oct. 8, 2002
6457907 Method and device for carrying out work on an object which is present under water Oct. 1, 2002
6409429 Backpack for underwater breathing gas tanks Jun. 25, 2002
6341921 Self-adjusting lumbar support for buoyancy compensator vest Jan. 29, 2002
6293733 Low-depth water bottom observing system Sep. 25, 2001
6257275 Pressure reducing valve Jul. 10, 2001
6227766 Dive rescue search device and method May. 8, 2001
6203246 Break away counter weight assembly with neutralizing buoyancy offset for diver's safety Mar. 20, 2001
6146053 Weight belt apparatus for scuba divers Nov. 14, 2000
6042302 Dive rescue search device and method Mar. 28, 2000
5997216 Neutral buoyancy auto-balancer Dec. 7, 1999
5913640 Weight drop pocket for SCUBA divers Jun. 22, 1999
5833197 Protective cover for scuba tank Nov. 10, 1998
5803667 Combination spider and buoyancy compensator, with insertable weights Sep. 8, 1998
5788475 Aluminum scuba tank buoyancy compensation system Aug. 4, 1998
5662433 Body conforming vest, buoyancy compensator, and backpack Sep. 2, 1997
5639186 Water funnel Jun. 17, 1997
5636943 Hydrostatic equalizer Jun. 10, 1997
5626439 Diver's vest having compressed air tightening device May. 6, 1997
5551800 Device with adjustable buoyancy with pressure compensation Sep. 3, 1996
5482405 Counterbalancing device for divers Jan. 9, 1996

1 2 3

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