Matches 1 - 50 out of 67 1 2 >


Match Document Document Title
8061683 Manual valve operators having a lockout device  
Manual valve operators having a locking device are described. An example manual operator includes a lever rotatably coupled to a locking plate and has a handle that pivots between a first position...
7874230 Lockable rotary operating handle such device  
A lockable handle assembly, having an operating handle rotatably mounted on a frame, with a bore therein, having an axis extending laterally, a blocking bolt slideably mounted in the handle, one...
7845367 Lock device for operation pattern selecting valve  
A lock device includes a first bracket 34 fixed to a screw element 33 and formed with a lock hole 34b; a second bracket 35 which has a fitting portion 35a fitted to the turn-type control lever 30...
7677068 Air brake plunger securing device  
The invention is an easy-to-use one-piece air brake securing device designed for use in recreational vehicles, trucks, and other automotive vehicles employing air-operated parking brakes. The...
7588050 Security cap for gas service valve  
A cap permanently indicates the occurrence of tampering with a gas service valve. A substantially square base has intersecting slots differently sized to confine correspondingly sized valve cocks...
7559528 Manual lock pin with lanyard  
An apparatus is provided for a valve assembly comprising a valve body, a valve element, an actuator housing, an actuator, an unlocked storage opening, a locked storage opening, and a lock. The...
7478646 Valve outlet enclosure device  
The present invention is an enclosure device for attachment to a fluid withdrawal valve on a chemical storage tank to prevent unauthorized access. The enclosure device comprises a first and second...
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...
7104518 Automatic valve manual lock out  
A ready method to disconnect the motive power of an actuator from the input of a valve. A handle is inserted onto the coupling held in the housing, disconnecting the motive power of the actuator...
6964459 Tamper-proof truck anti-theft device  
An anti-theft device is disclosed for use on a vehicle employing air-operated parking brakes. The device is shaped for disposal about the parking brake control knobs when engaged. The device...
6871518 Gas system component inlet or outlet connection retaining bracket  
A removable retaining bracket that prevents removal of a connection fitting from a gas distribution system component is described. The retaining bracket has a base that defines an opening that...
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...
6808056 Stop apparatus and method for gear actuators  
A stop apparatus for a gear actuator includes a traveling stop nut that has adjustable positions and travels on a screw on an input shaft. The stop nut is mounted to threadably travel on the stop...
6718804 Valve lockout device  
A lockout device (20, 120, 220) for locking a valve (22, 122, 222) into its closed position. In a first embodiment, a lockout device (20) is adapted for use with a valve (22) having a lever-type...
6692045 Retrofittable cap locking device  
A retrofittable cap locking device for removably fitting over the stem of a fuel tank such that the cap of the stem cannot be removed. The retrofittable cap locking device includes a base portion....
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...
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...
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...
6257273 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...
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...
5813256 Theft deterrent lock for an air brake control valve  
An anti-theft device for use with a dashboard mounted control of the type typically found in trucks having an axially moving shaft with a hand-grip knob is provided. The anti-theft device includes...
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...
5735147 System for preventing the movement of vehicles having air brakes  
An apparatus is adapted to prevent the theft of a wheeled vehicle having air brakes (e.g., large trucks and buses). A brake valve is selectively actuated by linear movement of an exposed knob that...
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...
5638705 Personal watercraft anti-theft device and a method  
The invention is directed to a method and an anti-theft device for a personal watercraft which is powered by a gasoline engine-driven jet pump. The anti-theft device, having a nozzle cover, a cover...
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...
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...
5560233 Air brake valve shackle  
A locking device for air brake valves on vehicles is provided which comprises releasable elements for engaging an air brake valve control knob at the dashboard of the vehicle to prevent the control...
5557955 Hot water faucet locking device  
A hot water faucet locking device comprising: an outer shell having an inboard region and an outboard region, the inboard region formed in a planar configuration with an inner surface and an outer...
5415017 Locking device for a lever operated valve  
A valve lock has a body and a moveable jaw for releasably gripping a lever handle of the valve against the body. The jaw has a threaded shaft that extends through a hole in the body, and a locking...
5411048 Fluid control valve with latching handle assembly  
A valve handle latching assembly having a selectable latching slider which engages a detent on a fluid control device such as a ball valve. During assembly, a particular slider is selected for...
5404734 Secure locking arrangement  
A lock comprised of a cylindrical body having a first passage extending axially through the body which passage is configured to enable a locking bar to be passed through the body, the bar having at...
5400766 Gas appliance stove safety valve system  
A gas appliance stove safety valve system that incorporates a safety valve assembly between the gas line manifold of the stove and the wall shut-off valve from the main gas line. The safety valve...
5394715 Retaining mechanism for a liquid dispensing apparatus valve  
A retaining mechanism for a dispensing valve operated by a pivotal handle comprised of a retainer and a hook, the retainer having a base, a catch member and a latch member fastened to the base of...
5375916 Truck air brake locking device  
An anti-theft device for protecting air brake control valves from being manipulated is disclosed. A clamp assembly locks on to the valve knobs employed to release the air brakes in a vehicle. A...
5365759 Locking device in the closing or opening position of a valve  
A valve body with a retainer shoulder mounted on the side of the valve body. Inside the valve body is a valve obturator means which is rotatable inside the valve body and can open or block passages...
5353833 Gate valve locking arrangement  
A gate valve locking arrangement in which a steel bracket is clamped on a portion of the truss extending upwardly from the valve bonnet and supporting the gate valve spindle and wheel, the bracket...
5305622 Apparatus and method for locking valves on oil tanks, tank trailers and the like  
A lockout apparatus for use on a valve's latching mechanism. The lockout apparatus is a rigid framework formed to encage the exterior structure of a valve and to provide a locking structural member...
5261445 Valve lock  
A valve lock for valves wherein the valve stem is coupled to a valve actuator shaft and there is a spacing between the valve and valve actuator. A locking member is slidably receivable in the...
5215112 Valve actuator locking bracket  
A locking bracket for a valve actuator is disclosed in which a bracket element slips over the rotatable input shaft of the actuator and has an arm extending over the surface of the actuator. A...
5188335 Ball valve with lockable security device  
A ball valve comprising a body including a valve chamber having inlet and outlet ports, and a rotatable ball element disposed within the valve chamber, the ball element having a conduit...
5183073 Handle locking mechanism for quarter turn valves  
A rotatable control device including a body housing a control structure and having an external box; a control shaft journalled in the boss for rotation about an axis and having an internal portion...
5165263 Valve lock  
The locking device locks the valve control lever in both its closed or open positions. It consists of a male part and a female part. The male part includes a lengthwise cavity, for flatly and...
5115834 Valve-locking device  
A lever-operated rotary valve having a rotary body for permitting fluid flow therein includes a locking device for selectively locking and unlocking the operating handle such that the operating...
5014528 Tamper-proof locking mechanism 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 journalled in a body housing the valve member and an...
4974999 Lock for a railroad hopper car outlet gate end tube assembly  
A lock for the end tube assembly and gate valve for the outlet gate of a railroad hopper car includes an elongated flexible cable and a locking element. The end tube assembly includes an end tube...
4971289 Valve assembly and locking means therefor  
A valve assembly comprising a valve having a housing and a valve element disposed in the housing and movable between closed and open positions, the valve element having a nut portion and a wing...
Matches 1 - 50 out of 67 1 2 >