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Class Information
Number: 285/321
Name: Pipe joints or couplings > Essential catch > Resilient ring
Description: Subject matter comprising an annular spring means carried by one member, said means coacting with a projection or groove on the other member upon change in shape or diameter.










Patents under this class:
1 2 3 4 5 6 7 8 9 10 11

Patent Number Title Of Patent Date Issued
8657343 Quick connector assembly Feb. 25, 2014
8613473 Releasable plug-in connection for pipelines or the like Dec. 24, 2013
8596687 Press fitting for a pipe, particularly a plastic pipe or a plastic and metal composite pipe Dec. 3, 2013
8567826 Gas nozzle attachment Oct. 29, 2013
8561274 Method for controlling connect and disconnect forces of a connector Oct. 22, 2013
8528585 Quick-change wear sleeve for a high-pressure fluid conduit Sep. 10, 2013
8485228 Plug-in part for a plug connector arrangement Jul. 16, 2013
8474879 Non threaded drill pipe connection Jul. 2, 2013
8444184 Conduit structure for a hot water tap, as well as such tap May. 21, 2013
8375543 Method for controlling connect and disconnect forces of a connector Feb. 19, 2013
8328242 Connection methods and systems Dec. 11, 2012
8302999 Faucet connecting structure Nov. 6, 2012
8297662 Method for controlling connect and disconnect forces of a connector Oct. 30, 2012
8282139 Quick connector with seal assembly retainer Oct. 9, 2012
8267435 Charge-air hose assembly Sep. 18, 2012
8240719 Adaptor and method for converting standard tube fitting/port to push-to-connect tube fitting/port Aug. 14, 2012
8240716 Quick connector coupling with pull tab verifier Aug. 14, 2012
8226128 Releasable nut-free C-clip secured pipe fitting Jul. 24, 2012
8220840 Positive locking device for snorkels, scuba regulators and the like Jul. 17, 2012
8220841 Connection device for medium conduits Jul. 17, 2012
8166623 Method for controlling connect and disconnect forces of a connector May. 1, 2012
8157296 High-tensile plug-in connector Apr. 17, 2012
8146956 Coupling for a connector for fluid pipes with a metal wire spring Apr. 3, 2012
8056938 Fitting for corrugated conduit Nov. 15, 2011
7985068 Gas appliance Jul. 26, 2011
7976072 Receptacle with rotating release lock Jul. 12, 2011
7972403 Rotate-once outlet fitting for a filter housing Jul. 5, 2011
7963569 Locking pipe joint and a method of making the same Jun. 21, 2011
7963570 Quick connect coupling stabilization apparatus, systems and methods Jun. 21, 2011
7954860 Coupling mechanism Jun. 7, 2011
7914050 Adaptor and method for converting standard tube fitting/port to push-to-connect tube fitting/port Mar. 29, 2011
7914051 Connecting device for a fluid line Mar. 29, 2011
7878554 Non-aggressive anchor washer Feb. 1, 2011
7866711 Quick connector with conductive path Jan. 11, 2011
7845686 Restrained pipe joining system for plastic pipe Dec. 7, 2010
7841629 Plug-in coupling for fluidic systems Nov. 30, 2010
7832428 Sanitary fitting Nov. 16, 2010
7819438 Quick connect coupling Oct. 26, 2010
7780201 Tube connector with three part construction and latching component Aug. 24, 2010
7766394 Breakaway connectors and systems Aug. 3, 2010
7722089 Fluid coupling May. 25, 2010
7717472 Method of locking tubular components in end to end relation May. 18, 2010
7708320 Plug-in part for a plug connector arrangement May. 4, 2010
7699356 Quick connector for fluid conduit Apr. 20, 2010
7695024 Quick connector Apr. 13, 2010
7686349 Tube couplings Mar. 30, 2010
7631906 Removable plug-in connection for high-pressure lines Dec. 15, 2009
7631905 quick connect coupling Dec. 15, 2009
7631904 Releasable plug-in connection for pipelines or the like Dec. 15, 2009
7614665 Plug-in connector for tube and hose lines with reinforced material cross-section Nov. 10, 2009

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