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Class Information
Number: 137/68.14
Name: Fluid handling > Destructible or deformable element controlled > Destructible element > Separable valve coupling or conduit
Description: Subject matter where the destructible element is a fluid-conveying assembly such as a nipple, valve assembly, or hose that disconnects at a specific joint when an excessive force is applied to it.










Sub-classes under this class:

Class Number Class Name Patents
137/68.15 Tensile or sheer pin or bolt 50


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8656940 Safety system for fluid conduit Feb. 25, 2014
8578957 Single seal breakaway connector Nov. 12, 2013
8453688 Kit and device for connecting and transferring fluid and the use of said device Jun. 4, 2013
8408228 Flow control valve for a broken sprinkler Apr. 2, 2013
8387646 Double-walled contained shear valve, particularly for fueling environments Mar. 5, 2013
8336570 High-pressure fluid conduit Dec. 25, 2012
8291928 Vacuum-actuated shear valve device, system, and method, particularly for use in service station environments Oct. 23, 2012
8127785 Pipeline breakaway coupling Mar. 6, 2012
8096315 Double-walled contained shear valve, particularly for fueling environments Jan. 17, 2012
8066024 Emergency shutoff valve for use in a fuel dispensing system Nov. 29, 2011
8020576 Emergency shutoff valve for use in a fuel dispensing system Sep. 20, 2011
7980173 Hydraulic compactor system having flexible hoses with breakaway couplers Jul. 19, 2011
7946309 Vacuum-actuated shear valve device, system, and method, particularly for use in service station environments May. 24, 2011
7849926 Safety joint Dec. 14, 2010
7828006 Safety flow guide protection device Nov. 9, 2010
7798431 Flow control device Sep. 21, 2010
7753067 Shear valve employing two-stage poppet valve, particularly for use in fueling environments Jul. 13, 2010
7681583 Double-walled contained shear valve, particularly for fueling environments Mar. 23, 2010
7578308 Emergency shutoff valve for use in a fuel dispensing system Aug. 25, 2009
7575017 Wet barrel fire hydrant system with second valve Aug. 18, 2009
7575015 Secondarily contained in-dispenser sump/pan system and method for capturing and monitoring leaks Aug. 18, 2009
7521029 Shell-and-tube type reactor for carrying out catalytic gaseous phase reactions and a procedure for operating the same Apr. 21, 2009
7418974 Tap having a clamping ring on the base end portion Sep. 2, 2008
7415987 Safety system hose Aug. 26, 2008
7318556 Water line safety valve Jan. 15, 2008
7278440 Safety system hose Oct. 9, 2007
7270140 Poppet valve assembly Sep. 18, 2007
7264014 Safety system hose Sep. 4, 2007
7182099 Tap for gas or liquid cylinder Feb. 27, 2007
7174911 Fire hydrant with second valve Feb. 13, 2007
7156119 Hydrant knock-off combination flow stop and backflow check valve Jan. 2, 2007
7066193 Poppet shear protection apparatus and system Jun. 27, 2006
6981513 Fluid flow management system Jan. 3, 2006
6840277 Breakaway coupling with flapper valve Jan. 11, 2005
6802332 Shear valve Oct. 12, 2004
6799596 Breakaway safety shut-off valve Oct. 5, 2004
6789561 Excess-flow valve Sep. 14, 2004
6736157 Blocking device May. 18, 2004
6722405 Flexible hose safety kit Apr. 20, 2004
6692034 Breakaway device for fueling stations Feb. 17, 2004
6672327 Dry break valve assembly Jan. 6, 2004
6632043 Connection coupling for plate-shaped microcomponents Oct. 14, 2003
6546947 Safety system for fluid conduit Apr. 15, 2003
6401745 Fire hydrant automatic shut-off valve Jun. 11, 2002
6378549 Fuel tank Apr. 30, 2002
6334474 Breakaway separation detection and alert system Jan. 1, 2002
6321769 Injection pressure sensor sealing mechanism Nov. 27, 2001
6308753 System for loading and unloading fluid tanks containing hazardous fluids Oct. 30, 2001
6302147 Automatic dry release valve coupling Oct. 16, 2001
6260569 Safety system for fluid conduit Jul. 17, 2001

1 2 3










 
 
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