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Class Information
Number: 4/541.3
Name: Baths, closets, sinks, and spittoons > Tubs > Means for agitating or circulating water in a tub > By liquid flow
Description: Subject matter wherein the apparatus uses liquid discharged from a pressure source to cause the water within the tub to churn or flow.










Sub-classes under this class:

Class Number Class Name Patents
4/541.4 And aerating 139


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8393019 Spa system with separate hot and cold reservoirs Mar. 12, 2013
8214935 Pop-up fountains Jul. 10, 2012
8176578 Bath with interchangeable fitting May. 15, 2012
8171576 Jetted bathtub May. 8, 2012
8069505 Jet for water containment vessels Dec. 6, 2011
7987531 Portable floating hot tub Aug. 2, 2011
7699760 Physical therapy system Apr. 20, 2010
7334274 Swirling bathing tub Feb. 26, 2008
7025079 Air bleed-off valve Apr. 11, 2006
6880182 Spa apparatus Apr. 19, 2005
6860437 Jet barrel for a spa jet Mar. 1, 2005
6857139 Tactile therapy system for spas Feb. 22, 2005
6829789 Massaging tub having automatic washing function Dec. 14, 2004
6775862 Whirlpool bathtub with releasable bottom element Aug. 17, 2004
6775863 Spa or pool switch Aug. 17, 2004
6754916 Spas having a retractable entertainment unit Jun. 29, 2004
6675404 Flow control device for tub, spa, or shower Jan. 13, 2004
6523192 Method and apparatus for automatically disinfecting plumbing fixtures Feb. 25, 2003
6463598 Accessory for distributing fresh water from a faucet to bathers Oct. 15, 2002
6395167 Whirlpool bath filter and suction device May. 28, 2002
6357060 Method and apparatus for purging water from a whirlpool system Mar. 19, 2002
6343388 Showering device Feb. 5, 2002
6327721 Transportable hydrotherapy equipment Dec. 11, 2001
6317903 Bathtub design with therapeutical treatment devices Nov. 20, 2001
6289530 Jetted laundry/utility/kitchen sink Sep. 18, 2001
6279177 Method and apparatus for purging water from a whirlpool system Aug. 28, 2001
6182303 Multiple slot fluid flow Feb. 6, 2001
6178570 Adjustable multi-nozzle rotating hydrotherapy jet system Jan. 30, 2001
6134722 Recirculating bath fixture Oct. 24, 2000
6108829 Portable hot tub Aug. 29, 2000
6052844 Whirlpool bath assembly Apr. 25, 2000
6003167 Apparatus for eliminating gas from a fluid piping system Dec. 21, 1999
5940904 Water massage device Aug. 24, 1999
5920923 Hydro-therapeutic stimulator Jul. 13, 1999
5918326 Water jet massaging system Jul. 6, 1999
5915849 Selectable hydrotherapy jet system Jun. 29, 1999
5862543 User-selectable multi-jet assembly for jetted baths/spas Jan. 26, 1999
5848444 Hydrotherapy jet with articulating joints Dec. 15, 1998
5807289 Water jet appliance Sep. 15, 1998
5791106 Collapsible pool Aug. 11, 1998
5752282 Spa fitting May. 19, 1998
5745934 Spa apparatus with hanging structural liner May. 5, 1998
5745933 Pre-washing device for water circulating tube of massaging bath tub May. 5, 1998
5722596 Mist-emitting lounge chair Mar. 3, 1998
5682625 Hot tub with adjustable headrest with water jet Nov. 4, 1997
5642534 Spa weir gate Jul. 1, 1997
RE35410 Spa with recessed filter chamber Dec. 31, 1996
5545335 Water purifier Aug. 13, 1996
5542909 Water jet appliance Aug. 6, 1996
5526538 Water circulation and heating system for spas Jun. 18, 1996

1 2 3










 
 
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