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Class Information
Number: 4/498
Name: Baths, closets, sinks, and spittoons > Pool type > Accessory > Covering
Description: Subject matter having a protective shield or screen which acts to prevent unwanted objects from entering the pool.










Sub-classes under this class:

Class Number Class Name Patents
4/499 Air inflatable or supported 77
4/503 Including securing means 133
4/500 Including storage area 53


Patents under this class:
1 2 3 4 5 6 7

Patent Number Title Of Patent Date Issued
8683620 Pool covers Apr. 1, 2014
8683621 Roll-up spa and swim spa cover Apr. 1, 2014
8661575 Swimming pool cover and associated opening and closing mechanism Mar. 4, 2014
8578524 Cover lifter Nov. 12, 2013
8568546 Ice-compensating cover, method of manufacture thereof, a method of covering a pool with the ice-compensating cover Oct. 29, 2013
8561222 Swimming pool cover device Oct. 22, 2013
8555556 Reservoir with removable cover and a cover-winding gap under the handrail thereof Oct. 15, 2013
8516625 Spa cover Aug. 27, 2013
8516626 Spa cover lifter system Aug. 27, 2013
8479325 Spa tub cover and lifter system Jul. 9, 2013
8468617 Spa tub cover system Jun. 25, 2013
8359681 Pool safety cover Jan. 29, 2013
8347876 Floating temperature regulating and evaporation reducing cover for a pool Jan. 8, 2013
8286276 Pool or spa cover sealing and support on water receptacle having waterfall chute Oct. 16, 2012
8261378 Covered pool Sep. 11, 2012
8251832 Method and system of positionable covers for water amusement parks Aug. 28, 2012
8239977 Automatic retractable hot tub cover apparatus and system Aug. 14, 2012
8201285 Inflatable pool covering system and associated method Jun. 19, 2012
8151381 Cable-attached safe pool cover edge barrier Apr. 10, 2012
8132274 Adjustable pool cover support Mar. 13, 2012
8122525 Putting-green, in-pool surface construction Feb. 28, 2012
8104109 Movable floor system for swimming pool Jan. 31, 2012
8099804 Thermally insulating blanket constructed of individual floats and system for deploying and retrieving same Jan. 24, 2012
8066591 Portable retractable surface protection device Nov. 29, 2011
8051505 Spa cover and method Nov. 8, 2011
8028352 Pool covering apparatus Oct. 4, 2011
8015631 Safety enclosure cover for portable inflatable pool Sep. 13, 2011
8001626 Swimming pool safety net system Aug. 23, 2011
7971287 Method and apparatus for automatically lifting a cover Jul. 5, 2011
7950076 Spa cover lifter May. 31, 2011
7913330 Dispensing apparatus Mar. 29, 2011
7891031 Movable deck Feb. 22, 2011
7874023 Inflatable safety swimming pool cover Jan. 25, 2011
7861471 Track assembly with apparatus for forming deck edging for swimming pools Jan. 4, 2011
7849528 Therapeutic tub device Dec. 14, 2010
7845029 Floatable swimming pool cover Dec. 7, 2010
7805779 Apparatus and methods relating to a pool net Oct. 5, 2010
7793652 Solar operated water heater Sep. 14, 2010
7793390 Method of and apparatus for connecting floating covers Sep. 14, 2010
7780536 Methods and systems for positionable screen for self-contained floating marine parks Aug. 24, 2010
RE41442 Insulated removable pond cover Jul. 20, 2010
7752685 Foldable spa cover device Jul. 13, 2010
7735163 Swimming pool gap securement assembly Jun. 15, 2010
7721361 Spa enclosure apparatus May. 25, 2010
7721747 Covered play apparatus May. 25, 2010
7712160 Obstacle avoidance method for pool covers using zipper elements May. 11, 2010
7707662 Obstacle avoidance method for pool covers using lockable zipper elements May. 4, 2010
7694356 Storage chamber cover Apr. 13, 2010
7614093 Vertically actuable roof cover for a spa Nov. 10, 2009
7603727 Floating spa cover of adjustable size Oct. 20, 2009

1 2 3 4 5 6 7










 
 
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