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Class Information
Number: 4/255.04
Name: Baths, closets, sinks, and spittoons > Obstruction remover > Connected to a source of external fluid under pressure
Description: Subject matter wherein the apparatus includes a conduit with one end connected to an external source of fluid under pressure while the other end is brought into fluid communication with an opening on the sink, bath or flush closet pipe to clean or clear the obstruction within or clear the obstruction from the drain pipe of the sink, bath, or flush closet.










Sub-classes under this class:

Class Number Class Name Patents
4/255.06 With flow control valve 45
4/255.05 With force cup (e.g., a plunger) 30
4/255.08 With head structure that grips drain opening or pipe 26
4/255.09 With head structure that increases velocity or turbulence 17
4/255.07 With means to block or clear the overflow 9


Patents under this class:

Patent Number Title Of Patent Date Issued
8418274 Vacuum drainage system for unclogging a clogged drain, drain clean-out device therefor, and method of unclogging a clogged drain Apr. 16, 2013
8418275 System for unclogging toilets Apr. 16, 2013
7877821 Portable compressed-air gun for unclogging single drains Feb. 1, 2011
7810203 Drain cleaning apparatus Oct. 12, 2010
7213273 High pressure plunger May. 8, 2007
7194773 Toilet tool Mar. 27, 2007
7120943 Air-burst drain plunger Oct. 17, 2006
6941589 Method and apparatus for clearing plugged pipes Sep. 13, 2005
6922854 Air-burst drain plunger Aug. 2, 2005
6907622 Flushing device for toilets Jun. 21, 2005
6892401 Compressed air tool May. 17, 2005
6775857 Drain fitting device for sealing and facilitating introduction of fluid or gas to pressurize clogged drain Aug. 17, 2004
6594849 Plumbing device Jul. 22, 2003
6405385 Plunger device Jun. 18, 2002
6389613 Pressure flush control system May. 21, 2002
6205594 Water pressure toilet plunger Mar. 27, 2001
6098212 Plumbing apparatus Aug. 8, 2000
6035455 Portable power plumbing plunger Mar. 14, 2000
6032301 Plunger Mar. 7, 2000
5884842 Tank cleaning tool Mar. 23, 1999
5787516 Multi-purpose water pressure plunger Aug. 4, 1998
5682620 Drain cable apparatus Nov. 4, 1997
5651147 Three-way trap elbow and cleanout system Jul. 29, 1997
5497514 Drain cleaning device Mar. 12, 1996
5344193 Sprinkler head water damage control device Sep. 6, 1994
5085244 Assembly for cleaning a drain conduit Feb. 4, 1992
5071035 System for transferring fluid from a container to a remote location Dec. 10, 1991
4555820 Drain pipe system Dec. 3, 1985
4551041 Vibration method for unplugging a slurry pipeline Nov. 5, 1985
4321712 Degreasing apparatus Mar. 30, 1982
4141090 Trap and drain flush out kit Feb. 27, 1979











 
 
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