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| Number | Title | Issue Date |
| 7401562 | Emergency shutoff system and method A safety system is provided for an anhydrous ammonia nurse tank (4) pulled by a tractor (1) with a tool bar applicator (2). The system includes a safety valve (10), and a breakaway coupling or connector (12) along a flexible hose (... | 07/22/2008 |
| 7281687 | In-flight refueling system and method for facilitating emergency separation of in-flight refueling system components An in-flight refueling system and method are provided for facilitating the emergency separation of the components of a probe and drogue in-flight refueling. The in-flight refueling system and method provides a fuse device capable of being installed between, for inst... | 10/16/2007 |
| 7240378 | Flange valve A flange valve to deter entry of rodents and pests, insertable on existing devices, comprising a unidirectional swinging door attached on an inner wall of a frame, the door and the inner wall of the frame having a clearance between them of a dimension not allowing e... | 07/10/2007 |
| 7165576 | Breakaway hose coupling with manual rotational separation A breakaway coupling for a fuel supply hose includes a male tubular valve body interfitting with or female tubular valve body and defining a fuel supply passage, and the valve bodies enclose axially moveable spring biased valve members. The valve bodies are connecte... | 01/23/2007 |
| 7047997 | Fuel tank vent valve A device and method for venting a tank comprising an intermediate shutoff valve as part of a cover that closes a tank opening. The intermediate shutoff valve is placed between an existing valve and a vent port in a liquid storage tank. The shutoff valve is operable ... | 05/23/2006 |
| 7044155 | Joint-type coaxial connection Joint-type coaxial connection (10) to connect/disconnect to/from each other two elements (A, B) defining coaxial tubular pipes inside which a respective fluid flows. The connection (10) defines two respective coaxial paths for the passage of the fluid,... | 05/16/2006 |
| 7036441 | Safety system for mobile anhydrous ammonia fertilizer system A safety system for a mobile anhydrous ammonia fertilizer application system is configured to be remotely actuated closed by the operator in the event of a leak in the system, and to automatically shutdown the system in the event of an actual or impending nurse tank... | 05/02/2006 |
| 6941978 | Vapor recovery system with ORVR compensation A fuel dispenser with a booted nozzle for vapor recovery is modified to include check valves in a vapor return path. The check valves selectively allow atmospheric air into the vapor return path to alleviate nuisance shut offs at the nozzle when an ORVR vehicle is b... | 09/13/2005 |
| 6923221 | Vapor recovery system with ORVR compensation A fuel dispenser with a booted nozzle for vapor recovery is modified to include check valves in a vapor return path. The check valves selectively allow atmospheric air into the vapor return path to alleviate nuisance shut offs at the nozzle when ORVR vehicle is bein... | 08/02/2005 |
| 6913046 | Fuel dispenser shear valve assembly A shear valve assembly for a fuel dispenser that ensures that the energy from an impact to the fuel dispenser causes a shear valve placed inline to the fuel supply conduit to engage if there is a possibility that such impact could cause the fuel supply conduit to br... | 07/05/2005 |
| 6401745 | Fire hydrant automatic shut-off valve A fire hydrant automatic shut-off valve including a cylindrical sleeve having an open lower end and an open upper end. The open lower end receives a water supply stand pipe therein. The open upper end receives an open lower end of the fire hydrant thereon... | 06/11/2002 |
| 6308727 | Fuel dispensing swivel breakaway assembly A coaxial hose, dual plane, swivel breakaway assembly for use in combination with a fuel dispenser apparatus is disposed between a hose attached to a fuel dispenser unit and a nozzle. The swivel breakaway assembly 30 has body portions with a first, assemb... | 10/30/2001 |
| 6213202 | Separable connector for coil tubing deployed systems A connector permits separation of a submergible pumping system from its deployment system. The connector includes an upper assembly and a lower assembly that are connected by shear screws. A hydraulic separation mechanism is used to shear the shear screws... | 04/10/2001 |
| 6123123 | Non-stretch breakaway hose particularly for fuel dispenser A system for dispensing a fluid from a first tank into a second tank, in which one of the tanks is attached to a vehicle. The system comprises a flexible, stretchable, resilient delivery hose, a first end of the delivery hose being connected to the first ... | 09/26/2000 |
| 5826610 | Breakaway coupling device A breakaway coupling device is provided having a male and female valve body. The female valve body, a plurality of boltholes extending therethrough, and a plurality of boreholes extending therethrough. The female valve body further defines a first cavity ... | 10/27/1998 |
| 5803110 | Fire hydrant assembly An improved fire hydrant having a lower portion and an upper portion. Under normal circumstances the upper portion is simulated fire hydrant made of resilient plastic and connected to the lower hydrant by a special fitting attached to the rim of the hydra... | 09/08/1998 |
| 5799684 | Frangible hydraulic fuse A frangible hydraulic fuse includes a fitting secured to a sleeve by a plurality of frangible pins. In normal operation, hydraulic fluid flows through the fuse through radial ports of a sleeve to which the fitting is engaged by the frangible pins. A compr... | 09/01/1998 |
| 5730169 | Temperature and impact sensitive safety valve A dual function safety valve is designed to automatically stop a flow of fluid through the valve in response to the valve being subjected to a minimum impact force or excessive vibration and in response to the valve being subjected to heat above a predete... | 03/24/1998 |
| 5699822 | Breakaway coupling device A breakaway coupling device is provided having a male and female valve body. The female valve body, a plurality of boltholes extending therethrough, and a plurality of boreholes extending therethrough. The female valve body further defines a first cavity ... | 12/23/1997 |
| 5699823 | Breakaway coupling A breakaway coupling including first and second coupling parts secured together by releasable means, the releasable means permitting separation of the coupling parts in a given direction when exposed to a separating force in excess of a predetermined forc... | 12/23/1997 |
| 5529085 | Breakaway hose coupling A breakaway hose coupling device (10) for releasably joining two fluid dispensing devices in fluid communications, and for selectively disengaging the dispensing devices in response to a disengaging force in excess of a preselected value being exerted on ... | 06/25/1996 |
| 5297574 | Fuel dispensing hose breakaway assembly A breakaway assembly for use in combination with a fuel dispenser apparatus is disposed between a segment of the hose attached to a fuel dispenser unit and a second segment of the hose terminating in a nozzle. The breakaway assembly has body portions with... | 03/29/1994 |
| 5165439 | Frangible connectors Methods and apparatus for controlling a fluid passage provide at least one sliding gate movable transversely to that fluid passage. The fluid passage or the gate is maintained open in a first position of the gate, and is closed in a second position of tha... | 11/24/1992 |
| 5018546 | Fuel supply detachable coupling A fluid coupling having a pair of body members having fluid passageways through which fluid may flow through an inlet in one of the body members and out an outlet in the other member. One of the body members is connected in flow communication with a flexi... | 05/28/1991 |
| 5014732 | Fluid-joint breakaway swivel coupling A tensile force actuated fuel line swivel-joint quick-disconnecting coupling device has a pair of body members including interlocking elements which cooperatively couple and provide fuel passageways through the body members, and uncouple when a tensile fo... | 05/14/1991 |
| 4896688 | Breakaway hose coupling device A breakaway hose coupling device (10') for releasably joining the hose ends of two fluid communicating hoses and for selectively disengaging and sealing such hose ends in response to a disengaging force of a preselected value is disclosed. The coupling de... | 01/30/1990 |
| 4828183 | Butterfly valve for fluid flow line A butterfly valve provided within a disconnect of a fluid flow line, such as in a fuel dispensing system, incorporating a pair of decoupling members, at least one or a pair of butterfly valves mounted within and in proximity with location for disconnectio... | 05/09/1989 |
| 4827960 | Dual fluid path breakaway swivel coupling A tensile force actuated quick disconnecting coupling device for a fuel line having a vapor return has a pair of body members including interlocking elements which cooperatively couple and provide fuel and vapor passageways through the body members, and u... | 05/09/1989 |
| 4763683 | Breakaway coupling for a coaxial fuel supply hose A first valve body has a tubular portion which releasably connects with a second valve body, and each valve body defines a center fuel supply passage in which a movable valve closure member is spring biased against an annular seat. Each valve body also de... | 08/16/1988 |
| 4674525 | Breakaway hose coupling device A breakaway hose coupling device (10) for releasably joining the hose ends of two fluid communicating hoses and for selectively disengaging and sealing such hose ends in response to disengaging force of a preselected value is disclosed. The coupling devic... | 06/23/1987 |
| 4667883 | Butterfly valve for fluid flow line A butterfly valve provided within a disconnect of a fluid flow line, such as in a fuel dispensing system, incorporating a pair of decoupling members, at least one or a pair of butterfly valves mounted within and in proximity with location for disconnectio... | 05/26/1987 |
| 4646773 | Breakaway hose coupling A breakaway hose coupling includes axially separable housing sections maintained in coupled relationship with each other by a frangible coupling pin or set screw. Each housing section includes a valve controlled flow passage in which a spring biassed valv... | 03/03/1987 |
| 4643216 | Frangible ball valve connector A ball valve connector of the frangible crashworthy type wherein two fluid flow connector body halves are interconnected by fracturable elements. Each body half includes a ball valve within a flow passage pivotally mounted on diametrically located pins. T... | 02/17/1987 |
| 4625746 | Automatic fluid sealing mechanism for a conduit with a frangible connector A sealing mechanism for a pair of conduits held together by means of a frangible connector is described. Each conduit has a center pivoted butterfly valve with valve discs which are spring biased to a closed position. The valve discs are mutually abutting... | 12/02/1986 |
| 4614201 | Break-away coupling for hoselines A break-away coupling for incorporation in a hoseline or pipeline, comprises a pair of tubular coupling members each being arranged at its one end for connection to a length of hoseline and provided at its other end with a face to be held in sealing engag... | 09/30/1986 |
| 4611618 | Frangible fittings A frangible fluid fitting of the crash-worthy type utilizing a detent holding a self-closing valve in the open position. The detent engages a plurality of balls confined in a recess circumscribing the fitting attachment surface whereby only partial fractu... | 09/16/1986 |
| 4501287 | Breakaway coupling A breakaway coupling for joining together two pipes the coupling having at least two separable parts, through which a conduit extends along which fluid is to be conveyed, one part being adapted for connection to one pipe and the other part being adapted f... | 02/26/1985 |
| 4483359 | Pull away spill guard A pull away spill guard comprising an automatic shut-off valve positioned in a supply line used in transferring liquids from one container to another. The valve acts to automatically shut off the flow of liquid through the system if the system becomes acc... | 11/20/1984 |
| 4449545 | Breakaway safety valve A breakaway safety valve comprising interengageable plug and socket components having a fluid flow passage therethrough, and a plurality of breakaway members holding the plug and socket components in assembly. The breakaway members are adapted to break wh... | 05/22/1984 |
| 4376445 | Self-closing breakaway valve assembly including improved valve mounting with rotation limiting stop Improved valve mountings with rotational limiting stops for self-closing breakaway valve assemblies comprising two frangibly connected valve housings each having a rotatable valve member and trigger means holding the valve members open until the valve hou... | 03/15/1983 |