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Class Information
Number: 4/504
Name: Baths, closets, sinks, and spittoons > Pool type > Accessory > Safety means
Description: Subject matter having means to prevent injury or damage to those using the pool or to the pool itself.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7614094 |
Machine and method for proactive sensing and intervention to preclude swimmer entrapment, entanglement or evisceration |
Nov. 10, 2009 |
| 7493913 |
Swimming pool vacuum relief safety valve |
Feb. 24, 2009 |
| 7455070 |
Swimming pool vacuum relief safety valve |
Nov. 25, 2008 |
| 7419588 |
Sump grate for a swimming pool |
Sep. 2, 2008 |
| 7389573 |
Method of retrofit installation of a portable swimming pool barrier fence |
Jun. 24, 2008 |
| 7346938 |
Retrofit suction sanitation safety cover |
Mar. 25, 2008 |
| 7213275 |
Float operated hydraulic suction fuse for swimming pools |
May. 8, 2007 |
| 7193167 |
Competitive swimming starting system |
Mar. 20, 2007 |
| 7178179 |
Anti-entrapment drain |
Feb. 20, 2007 |
| 7160166 |
Underwater flotation safety device |
Jan. 9, 2007 |
| 7132954 |
Self monitoring pool cover system |
Nov. 7, 2006 |
| 7114200 |
Pool and bathtub cushion |
Oct. 3, 2006 |
| 6996860 |
Construction protective covering |
Feb. 14, 2006 |
| 6988282 |
Drain cover |
Jan. 24, 2006 |
| 6944893 |
Combination sanitation suction device and high flow antimicrobial dispenser |
Sep. 20, 2005 |
| 6920652 |
Top for starting platform for swimming pool |
Jul. 26, 2005 |
| 6920653 |
Disinfectant delivery chamber for use in whirlpool bath |
Jul. 26, 2005 |
| 6895608 |
Hydraulic suction fuse for swimming pools |
May. 24, 2005 |
| 6865755 |
Interlocked drain cover |
Mar. 15, 2005 |
| 6817043 |
Safety swimming pool replacement drain cover apparatus and method |
Nov. 16, 2004 |
| 6779205 |
Vacuum surge suppressor for pool safety valve |
Aug. 24, 2004 |
| 6760931 |
Non-electric sanitation water vessel system |
Jul. 13, 2004 |
| 6751814 |
Whirlpool bath filter and suction device |
Jun. 22, 2004 |
| 6738994 |
Drain cover |
May. 25, 2004 |
| 6691334 |
Swimming pool covering structure |
Feb. 17, 2004 |
| 6687923 |
Vacuum release valve and method |
Feb. 10, 2004 |
| 6676831 |
Modular integrated multifunction pool safety controller (MIMPSC) |
Jan. 13, 2004 |
| 6615417 |
Anti-entrapment swimming pool and wading pool main drain cover and method |
Sep. 9, 2003 |
| 6612079 |
Clarifier cover |
Sep. 2, 2003 |
| 6574804 |
Safety and life-saving device for aquatic environment |
Jun. 10, 2003 |
| 6557588 |
Aggregate retaining device for drain covers |
May. 6, 2003 |
| 6523188 |
Top for starting platform for swimming pool |
Feb. 25, 2003 |
| 6505357 |
Pool winterizing method and apparatus |
Jan. 14, 2003 |
| 6493885 |
Fail-safe safety swimming pool net |
Dec. 17, 2002 |
| 6453482 |
Safety drain guard for swimming pools and spas |
Sep. 24, 2002 |
| 6442774 |
Cover means |
Sep. 3, 2002 |
| 6408452 |
Automatic shut-off valve |
Jun. 25, 2002 |
| 6397408 |
Ramped cap unit for a main pool drain cover plate |
Jun. 4, 2002 |
| 6393631 |
Drain safety cover system and method |
May. 28, 2002 |
| 6389615 |
Fail-safe safety swimming pool net |
May. 21, 2002 |
| 6389757 |
Clarifier cover |
May. 21, 2002 |
| 6374854 |
Device for preventing permanent entrapment |
Apr. 23, 2002 |
| 6341387 |
Safety device and method for swimming pool drain protection |
Jan. 29, 2002 |
| 6340035 |
Aggregate retaining device for drain covers |
Jan. 22, 2002 |
| 6321689 |
Animal rescue device for swimming pools |
Nov. 27, 2001 |
| 6295661 |
Automatic shut-off valve |
Oct. 2, 2001 |
| 6269493 |
Breakaway drain cover |
Aug. 7, 2001 |
| 6253391 |
Safety system at a discharge port in a pool |
Jul. 3, 2001 |
| 6251285 |
Method for preventing an obstruction from being trapped by suction to an inlet of a pool filter pump system, and lint trap cover therefor |
Jun. 26, 2001 |
| 6230337 |
Anti-vacuum drain cover |
May. 15, 2001 |
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