Matches 1 - 50 out of 447 1 2 3 4 5 6 7 8 9 >
Match Document Document Title
7390310 Shunt valve locking mechanism  
A locking assembly is provided to simply and effectively prevent any unintentional adjustment of the adjustable valve mechanism in a fluid flow control device, without compromising the function of...
7360554 Integrated gas meter bar device and locking shut-off valve  
A control valve assembly and for a gas delivery system is disclosed comprising a valve housing and piping combination adapted to mate with a gas meter outlet, the valve including a main inlet and...
7347219 Meter bar and metering system  
A meter bar and meter bar system are provided for directing a fluid. The meter bar includes a first portion, a second portion and a bypass path extending between the first and second portions. The...
7334594 Apparatus and method for adjusting a locking mechanism of a shunt valve  
A shunt valve assembly includes an electromechanical brake mechanism that locks a position of a pressure setting mechanism within a shunt valve assembly. The electromechanical brake can maintain...
7219685 Gate valve locking device  
A locking device for gate valves utilizes an available lock and avoids the necessity of having to chain or weld the lock to the bonnet or other stationary portion of a standard gate valve. The...
7207198 Valve lockout assembly  
A lockout assembly suitable for use with a valve having a handle rotatable between an open position and a closed position includes a lock arm which supports a clamping mechanism. In one aspect of...
7152621 Integrated gas meters bar device and locking shut-off valve  
A control valve assembly and for a gas delivery system is disclosed comprising a valve housing and piping combination adapted to mate with a gas meter outlet, the valve including a main inlet and...
7140211 Tamper detection security for a tank trailer  
This invention relates to a security system aimed at closing and locking a cover of an opening of a tank trailer to avoid any tampering of its content and to prove that the content of the tank has...
7117884 Valve locking device  
A valve locking device comprising an intermediate member ( 18 ) mountable between a valve body and valve actuator and securable to said valve body and/or actuator; a stem attachment member ( 20 )...
7114698 Quarter turn valve locking device  
A locking device for quarter turn valves avoids the inadvertent, unauthorized or careless manipulation of quarter turn valves from a desired position thereby minimizing, if not eliminating, the...
7096882 Valve security device  
A valve security device for releasably securing a fluid flow valve in an inoperable position including an inner body adapted to be disposed about the valve actuator such that rotation of the inner...
7044148 Apparatus and method for selectively securing a valve in an open or closed position  
The present invention generally relates to a locking apparatus adapted to interface with a valve and to selectively secure the valve in an open or closed position. More specifically, a valve handle...
6994106 Fire hydrant locking device  
A locking device to inhibit unauthorized operation of a fire hydrant includes a locking plug having a bottom opening that fits over an actuating nut of the hydrant. The locking plug has a...
6959909 Actuating handle assembly  
A handle assembly mountable on a valve is disclosed. The assembly includes a head having a receptacle engageable with a rotatable shaft on the valve and a grip projecting outwardly from the head to...
6920894 Valve security device  
A valve security device for releasably securing a fluid flow valve in an inoperable position including an inner body adapted to be disposed about the valve actuator such that rotation of the inner...
6918402 Flow control apparatus  
The present invention provides a flow control apparatus and method. In accordance with the present invention, the flow control apparatus comprises a thermostat that automatically actuates valve to...
6899128 Half ball valve  
A half ball valve includes a body including cavity having an assembly opening, a stem opening formed at a side of the body opposite to the assembly opening to connect the cavity and the outside,...
6880806 Actuator for driving rotary valve actuator and valve device with the actuator  
A valve gear includes a valve ( 30 ), which controls a flow rate of a fluid and an opening of which is determined according to a rotational position of a valve element, an actuator ( 20 ) for...
6843083 Lockable valve cover  
A lockable valve cover has a housing with an open end and a pair of opposing slots on opposite sides of the housing extending from the open end for engaging over spaced locations on a pipe on...
6832623 Gas meter valve and method  
Disclosed is a gas meter valve for connection to an outlet of a gas meter and a method for its use. The gas meter valve comprises a valve inlet coupleable to the meter outlet, a valve outlet...
6786230 Valve lock  
A valve lock to lock gate valves having a truss.
6691732 Hydrant security device  
The present invention provides a hydrant locking device to be used in conjunction with a fire hydrant having locking nuts which includes, a base arm having a first base arm portion and a second...
6648009 Tamper-proof ball valve  
A tamper-resistant by-pass valve prevents an unauthorized user from tampering with the valve when it is in the closed position to block gas flow to a meter being replaced or repaired.
6622536 Ball valve lockout  
A valve lock for securing the handle of a pipe. The valve lock includes a first housing having first and second contact points for engaging the pipe and a retention chamber that receives the...
6604391 Security lock assembly for shut-off valve  
A security lock assembly for a shut-off valve consisting of a valve body and an exterior engageable portion secured to a gate stem so as to rotate the stem. The body has a flange with a hole...
6568422 Valve locking mechanism and method  
The present invention provides an improved lock mechanism and method for high security locking of a valve in a desired position. A moveable locking member is operably mounted within a housing for...
6494065 Valve lockout/tag out system  
A system for locking a chain-operated valve to prevent unauthorized and inadvertent operation of the valve. The system includes an elongated tube for receiving both lengths of a chain encircling...
6467500 Ball valve locking device  
A locking device for a ball valve of the type having an operating stem includes a post attached to the valve body with the post extending parallel but spaced axially from the valve stem and formed...
6460383 Valve locking device  
A locking device for preventing movement of the operating handle of a valve comprising a U-shaped rod member engageable with a portion of the valve and having a curved proximal portion from which...
6453707 Device for locking channel opening-closing handle of fluid controller  
A locking device comprises a stopper support fixed to the body of a fluid controller, and a stopper nonrotatably mounted on the stopper support and engageable with a channel opening-closing handle...
6205827 Regulator torque isolation system and method  
A torque isolation system includes a handle and a torque isolator that is moveable between a first position, wherein the torque isolator transmits either of two possible directions of torque from...
6189350 Device for locking channel opening-closing handle of fluid controller  
A locking device comprises a stopper support fixed to the body of a fluid controller, and a stopper nonrotatably mounted on the stopper support and engageable with a channel opening-closing handle...
6164318 Valve locking system  
A valve locking system for safely and economically locking out control valves. The valve locking system includes a valve locking assembly for preventing manipulation of a valve including a rotating...
6148851 Valve lock apparatus and lockable valve  
A lock apparatus for a valve that has a valve body and an actuator stem protruding therefrom for selectively rotating a flow control member within the valve body between open and closed positions...
6119494 Locking apparatus  
A locking apparatus which is suitable for use with a manually operated control. The control is of a type which has a body and a handle. The handle is rotatable relative to the body and which is...
6044860 Adjustable lockout device for knife gate valves  
A lockout device is designed for use with a valve having a pair of spaced apart, generally opposed abutment surfaces, with at least one of the abutment surfaces being shiftable relative to the...
5823023 Locking device for a valve  
An air regulator valve has a knob which is slidable between a locked position in which it engages teeth on the end of a valve bushing and an unlocked position in which it can be rotated about the...
5806555 Locking device for valves  
A locking device for use on valves such as ball valves having a body and a rotatable handle on the body comprises a first body half, a second body half, and a hinge pivotally connecting the first...
5799687 Security valve assembly  
Difficulties with accessibility to a valve and the entry of precipitation into a locking mechanism for the valve are eliminated in a security valve assembly that includes a valve body (22), (100)...
5797285 Device for locking rotatable shafts having stop plates  
A locking device for a valve having a rotatable shaft including a stop plate, and a stop secured to a housing, including a hollow body having a first chamber for receiving the shaft, a threaded...
5785074 Vented ball valve with lock-out ring  
The present invention relates to a ball valve with a shear stem which can be utilized in combination with a conventional ball valve or vented ball valve. The ball valve with a shear stem is...
5771878 Safety knob  
A knob for a stove or range that has a releasable lock assembly which prevents a switch or valve of the range from being turned ON. The lock assembly has a pin movable between a lock position and a...
5730507 Cable extension for brake lock  
A brake lock system is used in a vehicle having a brake line which feeds brake fluid to at least one brake member. The system comprises a brake line fittable housing having at least one fluid inlet...
5709112 Tamperproof locking and latching mechanism for rotatable controls  
An improved spring-loaded latching and locking mechanism for a rotatable control of the type having a stem journaled in a body and rotatable about an axis in a boss on the body. The stem has a...
5643194 Subcutaneous valve and device for externally setting it  
A subcutaneous vane for the external regulation of fluid flow, said valve including a body comprising a substantially cylindrical and flat internal chamber having a central axis; an inlet pipe and...
5598724 Butterfly valve safety lock  
A safety lock device for use in releasably locking the head of a butterfly valve. The two part safety lock device comprises first: a cross-sectionally U-shape elongated frame, having an anchoring...
5590682 Water faucet rotation prevention device  
A water faucet rotation prevention device that prevents injury to children and the like by preventing the inadvertent and unwanted rotation and opening of bathtub water faucet valves. The water...
5579804 Tamper-proof handle extension for quarter turn valves  
A tamper-proof locking mechanism for a rotatable control device, such as a quarter turn valve, including a valve member connected to a stem rotatably mounted in a body housing the valve member and...
5549138 Changeover valve system  
A changeover valve system is provided that is adapted to be secured at one end to a riser from a pressurized piping system and at its opposite end to at least two pressure relieving devices. The...
5431184 Standard on-off, or lockable for self-locking in off position natural gas safety valve  
This patent application describes a lockable valve locking valve, which when a suitable lock is placed on the lock structure on the outer housing of this valve, eliminates further motion of the...
Matches 1 - 50 out of 447 1 2 3 4 5 6 7 8 9 >