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Class Information
Number: 220/316
Name: Receptacles > Closures > Having means for securing or retaining closure in its closed position (e.g., fastening devices) > With internal pressure-condition release
Description: Device in which the securing members of the fastener are combined with internal pressure elements which block the movement of the member to closure releasing position while pressure remains in the receptacle.










Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8613369 Lid retainer for drinking bottle Dec. 24, 2013
8544381 Food pressure-cooking device with a cover module Oct. 1, 2013
8430261 Closure cover for tanks under internal pressure, with a safety function, and closure cover for a fuel tank Apr. 30, 2013
8393262 Pressure cooker with pressure relief handle Mar. 12, 2013
8276507 Two-piece handle design for pressure cooker Oct. 2, 2012
8251243 Closure having a segmented locking ring Aug. 28, 2012
8181809 Gas-tight and light-tight closure for a container May. 22, 2012
8096436 Pressure cooker with overpressure safety device Jan. 17, 2012
8091726 Pressure vessels with safety closures and associated methods and systems Jan. 10, 2012
8046974 Bottle closure with low torque assembly feature Nov. 1, 2011
7878361 Locking device for fixing a lid Feb. 1, 2011
7850751 Access cover for piping or vessel Dec. 14, 2010
7770750 Vessel for pressurized treatment of objects Aug. 10, 2010
7762420 Pressure cooker Jul. 27, 2010
7726508 Safety cap for a pressure release valve of a pressure cooker and a pressure cooker using the same Jun. 1, 2010
7703385 Optimized decompression pressure cooking appliance Apr. 27, 2010
7669521 Food pressure-cooking device with a cover module Mar. 2, 2010
7637206 Pressure-cooking appliance provided with an excess pressure safety device, and a gasket for said appliance Dec. 29, 2009
7624674 Pressure cooker comprising calibrated leakage means Dec. 1, 2009
7565862 Food pressure-cooking device with a rotary locking/unlocking control device Jul. 28, 2009
7527732 Housing closure for a filter May. 5, 2009
7523696 Pressure-cooking appliance including opening safety means Apr. 28, 2009
7481154 Cooking basket for pressure cooker comprising means for adjusting the passage of steam Jan. 27, 2009
7373874 Pressure-cooking appliance having a single control member for decompression and for locking/unlocking May. 20, 2008
7322279 Lid for pressure cooking vessel with lightened jaws and cooking apparatus comprising Jan. 29, 2008
7322280 Appliance for cooking food under pressure Jan. 29, 2008
7306111 Filter housing Dec. 11, 2007
7082871 Closing device for a container Aug. 1, 2006
6886709 Closure apparatus and method of closing an opening May. 3, 2005
6877633 Steam pressure cooker Apr. 12, 2005
6857536 Support device and method for a rotary closure assembly Feb. 22, 2005
6708837 Locking system and method for rotary closure assembly Mar. 23, 2004
6705209 Pressure cooker Mar. 16, 2004
6669047 Button actuated pressure released and locking devices for pressure cookers Dec. 30, 2003
6648162 Button actuated pressure release and locking device for pressure cookers Nov. 18, 2003
6604453 Steam pressure cooker Aug. 12, 2003
6588323 Self-locking device for positioning an opened container lid Jul. 8, 2003
6568554 Hydraulic or pneumatic safety device for fluid handling apparatus May. 27, 2003
6523459 Safety device for opening a pressure cooker with lug-bayonet type closure Feb. 25, 2003
6513420 Device for coupling a lid to pot Feb. 4, 2003
6450361 Low pressure cooker with pivoting latch handles Sep. 17, 2002
6378717 Removable closure cap with temperature dependent control element Apr. 30, 2002
6298773 Cover for controlling steam from boiling kettle Oct. 9, 2001
6257124 Pressure vessel Jul. 10, 2001
6230921 Closure system for a pressure vessel May. 15, 2001
6178876 Pressure cooker Jan. 30, 2001
6135013 Pressure cooker with safety device to prevent the lid from turning Oct. 24, 2000
6135012 Pressure Cooker Oct. 24, 2000
6116151 Pressure cooker Sep. 12, 2000
6105808 Opening and closing safety device for a pressure cooker Aug. 22, 2000

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