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Browse by Category: Main > Household
Class Information
Number: 4/502
Name: Baths, closets, sinks, and spittoons > Pool type > Accessory > Covering > Including storage area > On a roll
Description: Subject matter wherein the cover is wound on a cylindrical device for storage.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8613116 Pool cover handling device and methods of use Dec. 24, 2013
8438671 Automated pool-deck lid lift system for below deck pool cover housing troughs May. 14, 2013
8418279 Surface covering device Apr. 16, 2013
8418280 Drive device for the cover of a liquid container Apr. 16, 2013
8239978 Vision through photodynamic therapy of the eye Aug. 14, 2012
8225433 Apparatus for minimising entanglement and bunching of an elongate means Jul. 24, 2012
7805779 Apparatus and methods relating to a pool net Oct. 5, 2010
7694356 Storage chamber cover Apr. 13, 2010
7496976 Locking rope reel Mar. 3, 2009
7464416 Passive tensioning mechanism for underwater buoyant-slat automatic pool cover systems Dec. 16, 2008
7409732 Providing unidirectional hinge, increased buoyancy and passive tensioning for buoyant-slat automatic pool cover systems Aug. 12, 2008
7325259 Apparatus for extending and retracting a pool cover Feb. 5, 2008
7318243 Lid support and forming system for pool cover box Jan. 15, 2008
7204291 Modular lid and actuator for underwater pool cover drum enclosure Apr. 17, 2007
7171703 Pool cover tracking system Feb. 6, 2007
7155910 Dual, coupled check valve for direct drive, reversible power sources for hydraulic systems Jan. 2, 2007
7152254 Mounting apparatus for pool cover assembly Dec. 26, 2006
7132954 Self monitoring pool cover system Nov. 7, 2006
7010817 Pool cover box apparatus and methods Mar. 14, 2006
6938415 Hydraulic/pneumatic apparatus Sep. 6, 2005
6931673 System and method for improving the interconnection between a pool cover and a storage reel Aug. 23, 2005
6910233 Elongated roller shutter profile made of plastic or metal for swimming pool covers Jun. 28, 2005
6886188 Automatic pool cover box lid support bracket assemby May. 3, 2005
6871362 Pool cover spool Mar. 29, 2005
6862756 Walk-on tray for concealing a pool cover operation system Mar. 8, 2005
6851230 Padding device from an above-ground pool and its associated method of installation Feb. 8, 2005
6769141 Automatic pool cover box equipment mounting assembly Aug. 3, 2004
6769142 Positive drive cover system Aug. 3, 2004
6760930 Below-deck solar blanket roller assembly Jul. 13, 2004
6647561 Spool Nov. 18, 2003
6637160 Telescopic enclosure Oct. 28, 2003
6622318 Pool cover system with retracting and adjacent extending mechanisms operable by a portable power source Sep. 23, 2003
6618869 Apparatus for placing and removing solar pool cover Sep. 16, 2003
6526604 Pool cover tracking system Mar. 4, 2003
6513175 Below-deck solar blanket roller assembly Feb. 4, 2003
6508247 Solar swimming pool heater panels Jan. 21, 2003
6496990 Extruded track construct component system for swimming pool cover systems Dec. 24, 2002
6446276 Walk-on tray for concealing a pool cover operation system Sep. 10, 2002
6431488 Dual drive pool cover Aug. 13, 2002
6421845 Below-deck solar blanket roller assembly Jul. 23, 2002
6418572 Leading edge bar for an automatic pool cover assembly in a swimming pool Jul. 16, 2002
6393632 End cap coping for a swimming pool May. 28, 2002
6385792 Solar cover folder May. 14, 2002
6384726 Automatic pool cover safety system May. 7, 2002
6374433 Moveable hot tub cover structure Apr. 23, 2002
6355180 Swimming pool covering, heating, and cleaning system Mar. 12, 2002
6324706 Automatic pool cover box Dec. 4, 2001
6026522 Manual cover drive for swimming pools Feb. 22, 2000
6014778 Pool cover system Jan. 18, 2000
5950253 Track assembly for flexible enclosure covers Sep. 14, 1999

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