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Class Information
Number: 405/187
Name: Hydraulic and earth engineering > Diving > Suit or accessory therefor > Rigid element
Description: Apparatus formed with a relatively inflexible material to protect the wearer from the pressure of the water.










Patents under this class:

Patent Number Title Of Patent Date Issued
8398337 Continuous weave quick harness backplate system Mar. 19, 2013
8166968 Scupper valve snorkel May. 1, 2012
8011363 Exhalation valve for use in a breathing device Sep. 6, 2011
8011364 Exhalation valve for use in an underwater breathing device Sep. 6, 2011
7954489 Waterproof structure of a respiratory tube Jun. 7, 2011
7946290 Underwater exhaust system and method May. 24, 2011
7909030 Elliptical purge valve for snorkels Mar. 22, 2011
7854568 Diving equipment Dec. 21, 2010
7823585 Snorkel clip Nov. 2, 2010
7793656 Underwater breathing devices and methods Sep. 14, 2010
7621268 Low physiological deadspace snorkel Nov. 24, 2009
7163012 Diving snorkel assembly including a casing Jan. 16, 2007
7134433 Snorkel clip Nov. 14, 2006
7083361 Aquatic breathing apparatus, system, and associated methods Aug. 1, 2006
6983746 Underwater exhaust system Jan. 10, 2006
6857820 Diving back plate Feb. 22, 2005
6295983 Foldable snorkel Oct. 2, 2001
5902073 Equipment support garment for divers May. 11, 1999
4889306 Scuba tank mounting bracket Dec. 26, 1989











 
 
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