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Class Information
Number: 220/234
Name: Receptacles > Closures > Externally adjustable plug or gasket > Closure carried gasket and expander means
Description: Device wherein the gasket or packing is carried by the closure and is radially deformable between its operative and inoperative positions and wherein the manipulation of said gasket or packing is effected by expansion means likewise carried by said closure.










Sub-classes under this class:

Class Number Class Name Patents
220/238 Cam actuated 33
220/235 Screw actuated 64


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8701916 Plastic pan and drain plug assembly Apr. 22, 2014
8651303 Locking stopper component Feb. 18, 2014
8573424 Container, particularly a beverage bottle Nov. 5, 2013
8550282 Security latch device for dumping trash containers and combination thereof Oct. 8, 2013
8479941 Container with sealable lid Jul. 9, 2013
8397764 Safety cap for couplings and fittings Mar. 19, 2013
8381934 Sealing plug for blind installation Feb. 26, 2013
8251238 Two-piece closure device Aug. 28, 2012
8186527 Vacuum sealing cap May. 29, 2012
8176942 Closing device for a vacuum user system of an aircraft May. 15, 2012
7946440 Two-piece expandable sealing plug May. 24, 2011
7896187 Locking ring actuator for a pressure retaining closure Mar. 1, 2011
7850030 Expansible bottle stopper with radial expansion and shrinkage Dec. 14, 2010
7850751 Access cover for piping or vessel Dec. 14, 2010
7815067 Container with sealable lid Oct. 19, 2010
7644734 Safety cap for couplings and fittings Jan. 12, 2010
7631664 Threaded expansion plugs Dec. 15, 2009
7600649 Methods and devices for preventing extrusion failure of o-ring seal assemblies Oct. 13, 2009
7588052 Closure plug Sep. 15, 2009
7341161 Closure for a pressure vessel and method Mar. 11, 2008
7051897 Closure for a pressure vessel and method May. 30, 2006
6981524 Twist off drive for a tube plug Jan. 3, 2006
6915920 Bottle stopper Jul. 12, 2005
6883547 Plug for heat exchanger tubes Apr. 26, 2005
6845876 Expandable seal assembly apparatus and method Jan. 25, 2005
6736407 Static fluid seals and seal assemblies for ultrahigh pressure fluid containment May. 18, 2004
6719160 Bottle stopper Apr. 13, 2004
6536618 Bottle plug Mar. 25, 2003
6419104 Compressible plug with internal compression anchor Jul. 16, 2002
6212696 Toilet bowl with improved access opening Apr. 10, 2001
6193093 Fuel tank cap Feb. 27, 2001
6189718 Fluidtight seal for a container Feb. 20, 2001
6082183 Test assembly for fluid tight integrity of pipeline joint Jul. 4, 2000
6079582 Tank closure for the fill opening of a fuel tank Jun. 27, 2000
6032696 Bottom nozzle repair apparatus Mar. 7, 2000
5893567 Sealing system for sealing an opening Apr. 13, 1999
5886297 Method and apparatus for sealing, on a non-permanent basis, a housing for enclosing electronic equipment Mar. 23, 1999
5779085 Expandable pin plug for automated use Jul. 14, 1998
5411140 Product package with matching indicia and recess May. 2, 1995
5303741 Plug for temporarily sealing the end of a pipe Apr. 19, 1994
5289851 Plug for heat exchanger tubes Mar. 1, 1994
5193703 Methods and apparatus for forming an integral high pressure seal using mechanical actuation Mar. 16, 1993
5167338 Shake and pour end closure with stay open lid Dec. 1, 1992
5131553 Tubular plastic shipping, storage and dispensing container and parts usable therewith Jul. 21, 1992
5080248 Container lid with sealing device Jan. 14, 1992
5078294 Method for tight sealing and hole arrangement Jan. 7, 1992
5056678 Access port sealing device Oct. 15, 1991
5002101 Hose draining and recovery system Mar. 26, 1991
4942970 Hermetically sealed canister Jul. 24, 1990
4932179 Abandonment plug for concrete floors Jun. 12, 1990

1 2










 
 
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