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Class Information
Number: 4/255.01
Name: Baths, closets, sinks, and spittoons > Obstruction remover
Description: Subject matter comprising apparatus specialized to clean or clear an obstacle within or clear an obstacle from a drain pipe of a sink, bath, or flush closet.










Sub-classes under this class:

Class Number Class Name Patents
4/255.04 Connected to a source of external fluid under pressure 31
4/255.11 Force cup (e.g., a plunger) 85
4/255.02 Piston 25


Patents under this class:
1 2

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
8365343 Sink drain debris clearing implement Feb. 5, 2013
8359679 Toilet clog removal and cleaning system Jan. 29, 2013
8322358 Plug puller for drain clean-out and method of using Dec. 4, 2012
8312572 Telescoping plumbing device and method Nov. 20, 2012
8286275 Drain clean-out assembly and method of using Oct. 16, 2012
8104102 Method and apparatus for unclogging a toilet Jan. 31, 2012
8096318 Valve flap for a plumbing valve Jan. 17, 2012
8065754 Pole plunger Nov. 29, 2011
8020222 Bag dispensing receptacle for plunging apparatus Sep. 20, 2011
8020223 Bag dispensing receptacle for plunging apparatus Sep. 20, 2011
7962974 Plunger system and method Jun. 21, 2011
7891027 Drain vent seal Feb. 22, 2011
7877821 Portable compressed-air gun for unclogging single drains Feb. 1, 2011
7810203 Drain cleaning apparatus Oct. 12, 2010
7810176 Compact drain-cleaning device with hair-snagging pad Oct. 12, 2010
7797768 Toilet splash guard Sep. 21, 2010
7752684 Combination-cleaning tool and plunger Jul. 13, 2010
7584513 Compact drain-cleaning device with hair-snagging pad Sep. 8, 2009
7530122 Apparatus for waste line cleanout May. 12, 2009
7299519 Combination toilet plunger and brush Nov. 27, 2007
7213273 High pressure plunger May. 8, 2007
7194773 Toilet tool Mar. 27, 2007
7120943 Air-burst drain plunger Oct. 17, 2006
7073211 Hydraulic plumber's friend Jul. 11, 2006
7062800 Plunger Jun. 20, 2006
7000284 Drain vacuum attachment kit Feb. 21, 2006
6941613 Pipe cleaning vacuum sealing apparatus Sep. 13, 2005
6941589 Method and apparatus for clearing plugged pipes Sep. 13, 2005
6922854 Air-burst drain plunger Aug. 2, 2005
6898807 Snake plunger May. 31, 2005
6880178 Line guard with visible indicator Apr. 19, 2005
6813785 Plunger container Nov. 9, 2004
6804839 Combination toilet brush/plunger apparatus Oct. 19, 2004
6804838 Flexible diaphragm for clearing obstruction in a plumbing fixture Oct. 19, 2004
6789276 Compressed air drain opening device Sep. 14, 2004
6775857 Drain fitting device for sealing and facilitating introduction of fluid or gas to pressurize clogged drain Aug. 17, 2004
6668389 Vacuum toilet Dec. 30, 2003
6662381 Automated toilet plunging apparatus Dec. 16, 2003
6647567 Plumbing plunger support and storage device Nov. 18, 2003
6643854 Method and apparatus for unclogging a toilet Nov. 11, 2003
6634035 Sink plunger Oct. 21, 2003
6594831 Anti-splash guard Jul. 22, 2003
6550074 Air-burst drain plunger Apr. 22, 2003
6526601 Drain cleaner with a high pressure can Mar. 4, 2003
6487730 Anti-splash guard Dec. 3, 2002
6484326 Compressed air drain opening device Nov. 26, 2002
6405385 Plunger device Jun. 18, 2002
6393626 Dual-acting plunger May. 28, 2002
6363566 Drain valve and pipe blockage clearing device Apr. 2, 2002

1 2










 
 
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