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Class Information
Number: 220/373
Name: Receptacles > Closures > Vent in closure > With means to prevent escape of contents through vent
Description: Device wherein the closure or vent is provided with means to prevent the receptacle contents from escaping through the vent or opening.










Sub-classes under this class:

Class Number Class Name Patents
220/374 Tortuous passage 142


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8662334 Vacuum storage container with flexible diaphragm Mar. 4, 2014
8640902 Drinking container vent system and method Feb. 4, 2014
8596478 Cap assembly with attached flexible liner for use with a container to hold contents therein Dec. 3, 2013
8590728 Boil-tolerant cookware Nov. 26, 2013
8561826 Universal gasoline engine fuel tank cover Oct. 22, 2013
8505767 Leak proof container Aug. 13, 2013
8469219 Steam ventilation system Jun. 25, 2013
8337785 Substance and a device Dec. 25, 2012
8302800 Protective device for a pressure cooker and pressure cooker with a protective device Nov. 6, 2012
8286820 Protective device Oct. 16, 2012
8277965 Battery pack enclosure with controlled thermal runaway release system Oct. 2, 2012
8273159 Control device module, especially in or for a motor vehicle Sep. 25, 2012
8268469 Battery pack gas exhaust system Sep. 18, 2012
8267272 Vented container and method of manufacturing Sep. 18, 2012
8016904 Oil fill cap with air/oil separator Sep. 13, 2011
7959026 Vent cap for oil tanks of machines and the like equipped with splash guard Jun. 14, 2011
7909192 Moisture absorbent scavenger and vacuum relief device for chemical containers Mar. 22, 2011
7798361 Vented container Sep. 21, 2010
7784630 Gasket for horizontal venting and related method Aug. 31, 2010
7726508 Safety cap for a pressure release valve of a pressure cooker and a pressure cooker using the same Jun. 1, 2010
7621412 Hot fill container and closure and associated method Nov. 24, 2009
7461754 Gasket for horizontal venting and related method Dec. 9, 2008
7275665 Vented fluid closure and container Oct. 2, 2007
7211123 Apparatus for venting a transmission May. 1, 2007
6779694 Vented fluid closure and container Aug. 24, 2004
6732878 Venting lid apparatus for tank opening May. 11, 2004
6688486 Easy open end and can for powders Feb. 10, 2004
6585128 Oil breather splash guard structure Jul. 1, 2003
6557719 Fuel tank equipped with a gas evacuating system May. 6, 2003
6539726 Vapor plug for cryogenic storage vessels Apr. 1, 2003
6523724 Container Feb. 25, 2003
6296135 Vent-on-demand hatch cover Oct. 2, 2001
6196409 Venting means Mar. 6, 2001
6182850 Closure membranes Feb. 6, 2001
6129234 Plate-shaped cover for cooking vessels or the like Oct. 10, 2000
6085664 Vented hatch cover Jul. 11, 2000
6079589 Drinking receptacle covers Jun. 27, 2000
6051263 Ventable food package Apr. 18, 2000
6042852 Low pressure refrigerated dough product Mar. 28, 2000
6003715 Plastic bucket air vent and method Dec. 21, 1999
5988414 Lid for containers, housings, bottles or similar structures Nov. 23, 1999
5918480 Refrigerator Jul. 6, 1999
5899468 Organic waste cart with vented lid May. 4, 1999
5866184 Method of packaging a food product in a ventable package Feb. 2, 1999
5824140 Canister with porous plastic ends Oct. 20, 1998
5806699 Closure vent arrangement and forming method therefor Sep. 15, 1998
5806703 Safety valve device for packagings containing products to be cooked, cooled, reheated or degassed Sep. 15, 1998
5759241 Desiccant canister Jun. 2, 1998
5711876 Apparatus for removing bubbles in filter housing of coating equipment Jan. 27, 1998
5692634 Rigid packaging using gas-permeable membrane Dec. 2, 1997

1 2 3










 
 
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