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| Number | Title | Issue Date |
| 7370673 | Self-contained isolated port A service valve for a refrigerant system comprising a valve body and a system port. The valve body has at least one fluid passage integrated therein including a longitudinal bore. An orifice is located at one end of the bore. An annular protrusion axially extends fr... | 05/13/2008 |
| 7246884 | Inkjet printhead having enclosed inkjet actuators An inkjet printhead is provided having a plurality of ink ejection nozzles. Each nozzle has a substrate incorporating circuitry for supplying an electrical current and a channel for supplying ink, a chamber on the substrate in fluid communication with the channel, a... | 07/24/2007 |
| 7192001 | Thermopneumatic microvalve A microvalve device includes a semiconductor-based valve housing that defines a flow passage, and a valve face disposed within the valve housing and in fluid communication with the flow passage. The microvalve device further includes a thermal expansion actuator tha... | 03/20/2007 |
| 7048251 | Valve with removable actuator A valve assembly includes a valve body and a valve actuator which is releasably engageable with the valve body. The valve body has an internal cavity within which a valve member is located, and a valve stem is interconnected with the valve body and is accessible fro... | 05/23/2006 |
| 7040361 | Dispensing nozzle engagement device A dispensing nozzle activation lever lock for use with a dispensing nozzle such as a fuel dispensing nozzle having a handle portion, a trigger guard, and a pump activation lever allows an operator to dispense fuel without having to continuously hold the pump activat... | 05/09/2006 |
| 6550495 | Safety device for cutting off gas pipelines A thermal safety device for cutting off gas pipelines, wherein gas transfer is prevented by the safety device when temperature increases in the section of the gas pipeline placed downstream from the safety device, especially when connected gas apparatuses... | 04/22/2003 |
| 6527248 | Solenoid valve with a manual control pushbutton A solenoid valve comprising a body in which there is fixed an electromagnet having a plunger core carrying at least one valve member and movable between first and second positions corresponding respectively to an excited state and to a rest state of the e... | 03/04/2003 |
| 6469325 | Semiconductor integrated circuit device and its manufacture In order to eliminate a difference in ESD resistance caused by the polarities of excessive voltages applied to an external terminal and enhance the ESD resistance of a semiconductor integrated circuit device to both positive and negative overvoltages, a p... | 10/22/2002 |
| 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 to receive a locking pin between the post and valve stem t... | 10/22/2002 |
| 6361017 | Locking valve with joint allowing packing service A valve for a tank containing anhydrous ammonia has a valve mechanism joined to a flow chamber from the tank. The valve mechanism has a bonnet with a hole through a sidewall of the bonnet. A stem valve portion and a stem handle portion are mounted in the ... | 03/26/2002 |
| 6234189 | Gas valve with thermoelectric safety shutoff A gas-valve assembly has a housing having an inlet port, an outlet port, and a passage extending between the ports and defining an axis, a valve plug rotatable about the axis in the housing in the passage between a closed end position blocking flow betwee... | 05/22/2001 |
| 6216725 | Fluid pressure control device with cover for preventing misoperation A cover for preventing misoperation is easily and certainly attached/detached to/from an operating piece for manual operation provided for a fluid pressure control device. It is attached so as not to be lost even when the cover is detached for manual oper... | 04/17/2001 |
| 6155287 | Fluid pressure control device with cover for preventing misoperation In a fluid pressure control device such as a solenoid-controlled valve having an operating piece for manual operation which is a selector-type operating piece, a cover for preventing misoperation is attached to the selector-type operating piece. Consequen... | 12/05/2000 |
| 6138985 | Internal tank car valve with safety lock and interlocking lug A valve assembly having a body assembly mounted to a vessel opening. The body assembly includes a valve seat and a valve throughbore. A valve disk co-acts with the valve seat for opening and closing the valve throughbore. A receiver member having a receiv... | 10/31/2000 |
| 6095173 | Gas pump fill automatic shut-off adaptor An element is provided which includes a control section connection end and a setting position end for enabling a setting of the filling mechanism, with automatic shut-off. The setting end includes a retaining portion. The retaining portion acts to retain ... | 08/01/2000 |
| 5931444 | Internal tank car valve with safety lock A valve assembly for a tank having an opening. The valve assembly includes a body assembly mounted to the tank opening. The body assembly has a valve seat and a valve throughbore. A valve disk coacts with the valve seat for opening and closing the valve t... | 08/03/1999 |
| 5752554 | Adjustable gasoline pump trigger retaining mechanism A retaining device comprising two articulating clamping portions which encompass around a gasoline pump handle frame, depressing and holding the operating handle, thereby fixedly securing the pump trigger to allow dispensing of gasoline without attendance... | 05/19/1998 |
| 5595217 | Dry break coupling assembly with cam-locking connection system A dry break coupling assembly for interconnecting components of a fluid handling system. The coupling assembly includes first and second valves which each include a rotatable valve element for opening and closing a fluid passageway within a valve body. Th... | 01/21/1997 |
| 5517732 | Gasoline nozzle handle holder A holder for maintaining the handle of a gasoline dispensing nozzle in a desired position. The inventive device includes a vertical stanchion having an upper clamp leg projecting therefrom. A lower clamp leg is adjustably coupled to the vertical stanchion... | 05/21/1996 |
| 5285811 | Hopper gate valve An hopper gate valve having a valve body for connection to a hopper car with a generally elongated discharge opening is provided. A valve member is adapted to engageable and disengage the elongated discharge opening by using a control apparatus which cont... | 02/15/1994 |
| 5240226 | Fuel dispenser aid A fuel dispenser aid holds a trigger-like valve operating lever relative to a pistol grip-like handle portion of a valving device for dispensing gasoline or other fuels through a nozzle of the valving device without continuously manually holding the opera... | 08/31/1993 |
| 5217201 | Hot water faucet safety apparatus An apparatus receiving a valve stem through a central support tube includes a housing extending upwardly relative to a rear distal end of the support tube. The valve stem includes a truncated conical handle mounted at an outer distal end of the valve stem... | 06/08/1993 |
| 5213136 | Selection switch for fluid power motors A device for retaining a depressed reversing valve in the depressed position which is operable by the fingers or thumb of one hand to accomplish both the depressing and locking motions and the unlocking motion when it is desired to return the tool to conv... | 05/25/1993 |
| 5094259 | Automatic shut-off safety device for gas stove An automatic shut-off device for a gas stove, and more particularly, a safety valve control device that can be retrofitted between the gas inlet pipe and the catch base of the stove. The device includes a coupling such that operation of the knob of the ga... | 03/10/1992 |
| 5064170 | Sprayer shutoff valve A lockable sprayer shutoff valve has a housing and an upstream hose insert which is slip-fit into the upstream end of a slidably mounted valve sleeve. An O-ring seal is provided between the hose insert and the valve sleeve. The downstream end of the valve... | 11/12/1991 |
| 5046523 | Lock core service valve A rotary plug valve is disclosed having a housing and a valve core which can be selectively locked in an unlimited number of positions relative to the mandatory inlet and outlet piping, said valve having no visible indication of the internally concealed l... | 09/10/1991 |
| 4969586 | Chute closure device A delivery chute flow control device is disclosed. The device has a body portion which mates with the remainder of the delivery chute. Affixed to one end of the body portion is a rotatable door which is used to control the flow of material. A locking mech... | 11/13/1990 |
| 4911333 | Beverage dispensing valve A valve especially adapted for dispensing problematic beverages such as pressurized slurries of frozen or semi-frozen material comprising a valve body, an end cap, an inlet, a valve bore with an outlet, and a valve seat having a specially designed passage... | 03/27/1990 |
| 4786248 | Gaslighter equipped with a safety lock Disclosed is a piezoelectric type gaslighter equipped with a thumb-latch for preventing an inadvertent fire which may be caused, for instance, when a child plays with a gaslighter. A gaslighter according to the present invention includes an intermediate c... | 11/22/1988 |
| 4763690 | Leak-proof valve for gas cylinders A safety valve for use with cylinders of noxious gases utilizes a reverse-seat poppet with a bellows seal mechanically coupled between the compound shaft of the poppet valve and the body of the valve, with the bellows and poppet areas sized so that any ba... | 08/16/1988 |
| 4690182 | Gasoline pump lever holder This invention relates to a device to hold the lever of a nozzle assembly in a position to open a valve controlling the flow of fuel from the nozzle. The principal application for this device is on the gasoline delivery nozzle assembly at a self-serve gas... | 09/01/1987 |
| 4653522 | Ground hydrant and method for operating same The ground hydrant of the present invention includes an outlet nozzle above ground and a drain water collection cylinder located below the frost line of the ground. When the hydrant is shut off, the residual water in the nozzle drains into the ground wate... | 03/31/1987 |
| 4653521 | Freezeless ground hydrant and method for operating same The present invention is for a freezeless ground hydrant having a nozzle above ground and having a main valve adapted to be connected to an underground source of water pressure at a point located below the frost line in the soil. Also underground is a dra... | 03/31/1987 |
| 4603833 | Inlet valve for breathing apparatus second stage regulators An inlet valve for use with a breathing regulator second stage which is connectable to a source of breathable gas. The inlet valve containing a flow-closing valve in the passages and being connectable in the gas circuit to the second stage. Extending exte... | 08/05/1986 |
| 4577831 | Calibrated handknob assembly A calibrated handknob assembly for use with a valve having a control stem, said assembly having a rising stem with spaced circumferential calibrations, a handknob having circumferentially spaced radial calibrations, a lock ring having an index cooperating... | 03/25/1986 |
| 4573611 | Non-refillable valve Non-refillable valve for a pressure container which includes a housing with a central bore, which has a lower portion that is narrower than its middle portion which in turn is narrower than its upper portion. A side port is present in the lower region of ... | 03/04/1986 |
| 4534512 | Fluid dispenser A fluid dispenser, preferably a pistol grip type hose nozzle, affords no flow, solid misty cone spray and solid jet spray capabilities and contains a fluid flow rate control feature for instantaneous adjustment of the rate of fluid flow through the dispen... | 08/13/1985 |
| 4463754 | Safety control and lock for anesthetic vaporizers A control device for anesthetic vaporizers disclosed herein ensures that the operator is able to select a desired anesthetic with certainty, and to assure that other anesthetic vaporizer apparatus also in use is in an "off" condition when one anesthetic h... | 08/07/1984 |
| 4444091 | Safety lock-off throttle device A safety device for a fluid operated tool features a throttle lever which is always freely movable but is normally rendered inoperable to effect tool actuation except in response to a consciously deliberate two step action wherein a first valve control mu... | 04/24/1984 |
| 4200128 | Gas valve lock A fuel valve actuator hold open lock is disclosed comprising a formed member insertable into an opening in a trigger guard in a gasoline pump delivery valve assembly, the member having longitudinally spaced apart abutment shoulders for engaging the valve ... | 04/29/1980 |
