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| Number | Title | Issue Date |
| 8104503 | Optimized activation prevention mechanism for a gas delivery system and methods therefor An optimized activation prevention assembly for a gas delivery system is disclosed. The apparatus includes a pneumatically operated valve assembly. The apparatus also includes a toggle switch mechanically attached to the pneumatically operated valve assembly, the to... | 01/31/2012 |
| 7967024 | Hydraulic valve assembly with valve locking mechanism A hydraulic valve assembly for an excavator including a hydraulic valve movable along a longitudinal axis to control a flow of fluid, a flange coupled to the hydraulic valve, the flange including a receptor, and a locking mechanism movable between a locked orientati... | 06/28/2011 |
| 7628168 | Optimized activation prevention assembly for a gas delivery system and methods therefor An optimized activation prevention assembly for a gas delivery system is disclosed. The apparatus includes a pneumatically operated valve assembly. The apparatus also includes a toggle switch mechanically attached to the pneumatically operated valve assembly, the to... | 12/08/2009 |
| 7509972 | Pneumatic valve with lockout A pneumatic valve with lockout for controlling the flow of a fluid includes a housing, a fluid flow passage extending through the housing between a fluid inlet and a fluid outlet, and a valve movable along an axis to open and close the flow passage. A pneumatic actu... | 03/31/2009 |
| 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 the device. The locking assembly generally includes at least one grip... | 06/24/2008 |
| 7357368 | Combined valve A combined valve is constructed by integrating a manual valve operating as a safety mechanism and a pilot valve. When a handle of a knob of the manual valve is in a safety mechanism release position, a valve mechanism can be opened and closed depending on whether or... | 04/15/2008 |
| 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 the position of the pressure setting mechanism in the presence of a rel... | 02/26/2008 |
| 7316244 | Solenoid valve with manual buttons A solenoid valve includes a main valve unit including a spool for switching a channel, and a solenoid operating unit for driving the spool, the main valve unit includes manual buttons capable of manually switching the spool, and a safety member movably disposed, and... | 01/08/2008 |
| 7252059 | Closure assembly for a camshaft phaser A closure assembly for a camshaft phaser. A plug or a cap is provided with either a radially-sealing gasket seal or a face-sealing gasket seal, the seal being formed by insertion of the plug into a bore, or by installation of a cap over a neck formed in a cover plat... | 08/07/2007 |
| 7216667 | Valve opening/closing handle lock mechanism A valve opening/closing handle lock mechanism provided in a valve having a manually operated valve opening/closing handle (1) is capable of maintaining the security of the valve by preventing the valve from being opened or closed by accident or with malicious... | 05/15/2007 |
| 7213845 | Tube joint A tube joint comprises a retaining mechanism which retains the locked state by preventing a sleeve from any rotation in the circumferential direction which would be otherwise caused by any unexpected external force. The retaining mechanism includes a ratchet which i... | 05/08/2007 |
| 7207352 | Bushing for thermally independent bypass air metering valve A bypass air metering valve is provided with a stationary case flange having a plurality of slots, a bushing positioned within each of the slots, and a metering ring positioned so as to ride on a surface of each respective bushing. Each bushing creates a gap between... | 04/24/2007 |
| 7140212 | Locking cover plate arrangement A locking cover plate can be selectively locked in position on a stortz pipe end fitting or can be unlocked and removed for access to the open pipe end. The cover plate includes a sliding plate that is driven laterally outward into a deployed state by rotating a dri... | 11/28/2006 |
| 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 not been tampered. The security system comprises a locking member mov... | 11/28/2006 |
| 7044430 | Lock bars for blowout preventer Lock bars for blowout preventers and blowout preventers having, in certain aspects, a body with a top, a bottom, and a bore therethrough, at least one bonnet releasably secured to the body, a first lock bar recess defined by a first portion in the body and a second ... | 05/16/2006 |
| 7013916 | Sub-atmospheric gas delivery method and apparatus An apparatus for containing and delivering hazardous gases at sub-atmospheric pressure from a pressurized container is provided which includes a valve body in sealed communication with an outlet orifice of the pressurized container. The outlet orifice of the pressur... | 03/21/2006 |
| 7007712 | Pneumatic tool lock A pneumatic tool lock integral to the structure of a pneumatic tool and adapted to replace the existing male nipple component of the pneumatic tool is provided. The pneumatic tool lock includes an outer housing adapted to provide access to inner components of the pn... | 03/07/2006 |
| 6997209 | Locking device of an air-operated normally-closed valve for a gas cylinder A locking device of an air-operated normally-closed valve for a gas cylinder includes a housing; a piston assembly provided in the housing; a tapered axial member having an annular outer tapered surface and positioned coaxially with the piston assembly axis; a lock ... | 02/14/2006 |
| 6973811 | Theft deterrent device for a motor vehicle A theft deterrent device for use with a wide range of motor vehicles. The device has a baseplate, a housing, and a gear-stick embracing element that can move relative to the housing. The gear stick of the motor vehicle passes through the gear-stick embracing element... | 12/13/2005 |
| 6926024 | Utility valve box lockout device A lockout device to secure access to a pipeline valve through a utility valve box having an inwardly directed ring is described. The lockout device includes a tube with a shackle, a plate with an opening, and a lock. As installed, the tube fits within an interior sp... | 08/09/2005 |
| 6893002 | Lockout valve A lockout valve is provided having a valve body with an inlet conduit, a central chamber and an outlet conduit, to form a continuous passageway. The lockout valve also includes a slide mechanism slidingly disposed in valve slide channel to operatively control fluid ... | 05/17/2005 |
| 6886593 | Safety valve with pressure indicator A fluid control valve includes an adjustable soft start capability and pressure indicator device. The fluid control valve isolates an input port and connects an outlet port to an exhaust port when the fluid control valve is in its closed position. A system is provid... | 05/03/2005 |
| 6854302 | Pneumatic tool lock A tool lock, especially useful in preventing theft or unauthorized use of a tool. The tool lock has a housing in which a lock cylinder assembly and locking balls are disposed. The tool lock housing has an opening at one end in which a portion of a tool, such as a pn... | 02/15/2005 |
| 6820638 | Air manifold apparatus An air manifold apparatus for supplying pressurized air to a plurality of air lines having an enclosure with an air inlet for receiving pressurized air from a pressurized air source and a plurality of air outlets for providing pressurized air to a plurality of air l... | 11/23/2004 |
| 6802338 | Fire hydrant securing arrangements A fire hydrant securing arrangement utilizes a magnetic detent to couple an outer body to a center post so that when a wrench with a permanent magnet is mated with the outer body, the magnetic detent connects the outer body to the center post. The center post has an... | 10/12/2004 |
| 6786230 | Valve lock A valve lock to lock gate valves having a truss. ... | 09/07/2004 |
| 6742763 | Linear spring-loaded actuator for a valve A linear spring-loaded actuator (10) for a valve (12) comprises a housing (14) and an actuating spindle (16) slidably supported in the housing (14). A cap (22) is associated with the housing (14). Spring means (36 | 06/01/2004 |
| 6695003 | Gas isolation box A gas isolation box including an enclosure; a number of gas sticks contained within the enclosure, each gas stick including a process gas section comprising a first process gas inlet valve for gating the flow of a process gas into the gas stick; a purge g... | 02/24/2004 |
| 6662822 | One-way nut fastener A novel, one-way nut fastener including a nut body with a side wall that is internally threaded and lobes that extend from the side wall of the nut body. Each lobe has a flat portion that extends substantially radially away from the side wall and a curved... | 12/16/2003 |
| 6644313 | Breathing assistance apparatus A pressure regulating device for use with a breathing assistance apparatus which conveys gases to a patient requiring breathing assistance. The device includes a valve member disposed within a valve housing which when gases flowing through the regulator r... | 11/11/2003 |
| 6626204 | Cylinder valve assembly with check valve An accommodation portion (53) is formed at a position where it faces a check valve member (42) through a chamber inlet (41a) of a check valve chamber (41). An opening means (51) is attached in the accommodation portion (53). This opening means (51) switch... | 09/30/2003 |
| 6578600 | Gas isolation box A gas isolation box including an enclosure; a number of gas sticks contained within the enclosure, each gas stick including a process gas section comprising a first process gas inlet valve for gating the flow of a process gas into the gas stick; a purge g... | 06/17/2003 |
| 6367502 | Flow control device A flow control device has a body (41), a plurality of elastic flow control tube (51-54) provided in the body (41), a single fluid path (55) in communication with the flow control tube (51-54), a slider (56) slidable relative to the body (41), and a valve ... | 04/09/2002 |
| 6273125 | Compression key lockout device for a gate valve A lockout device (12) operable to lock a valve (8) into a particular operating position and to prevent further actuation of the valve (8) until removed. The preferred lockout device (12) comprises two lock couplings (16,18), two lock plates (20,22), and t... | 08/14/2001 |
| 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 other in such manner that the spacing between the surfaces dec... | 07/10/2001 |
| 6209575 | Tamper proof set screw A device for preventing unauthorized access to a rotating shaft. More particularly, an apparatus is provided to prevent unintended and unauthorized operation of a rotating shaft by encasing a vulnerable portion of the shaft in a standard pin type lock whi... | 04/03/2001 |
| 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 handle. The handle includes at least one aperture extendi... | 12/26/2000 |
| 6116278 | Lockout valve A lockout valve comprises a body with an inlet passage and an outlet passage which define a longitudinally-extending flow path through the body. A flow interrupter device, or slide, is mounted for transverse movement within the body. The slide can be loca... | 09/12/2000 |
| 6079957 | Soft start valve A fluid pumping apparatus (10) includes a soft start valve (16) coupled with the outlet of a pump (14) driven by an electric motor (12) for reducing the startup current of the motor (12). The preferred valve (16) includes a fluid chamber (32), a valve ope... | 06/27/2000 |
| 6068020 | Gas line safety device A lockable dual gas feed line securing device comprising: a yoke having first and second gas line engagement cylinders joined by a first rigid separator, and a gas outlet engagement member comprising a pair of fittings that engage fittings on the open end... | 05/30/2000 |
