...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
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| Number | Title | Issue Date |
| 8156961 | Assembly including a pressurized gas storage tank and a control device for filling the tank with gas and/or extracting gas therefrom The invention relates to an assembly including a pressurized gas storage tank and a control device for filling the tank with gas and/or extracting gas therefrom. The aforementioned tank includes: a hole which communicates with the interior of the tank, a filling and... | 04/17/2012 |
| 7527071 | Gas plug connector The aim is to devise a gas plug connector that permits a gas plug to be connected or disconnected only when an additional shut-off valve has been manually closed. To that end the housing (1) of the gas plug connector has a bearing (36) for a switching ... | 05/05/2009 |
| 7438082 | Frost-resistant stand valve The invention concerns a valve arrangement for external operation including: a feed opening, a delivery opening, a connecting passage which connects the feed opening to the delivery opening, a first valve which is adapted to enable the fluid connection through the c... | 10/21/2008 |
| 7328593 | Refrigerant valve arrangement A refrigerant valve arrangement is described, having a housing which has a first functional space, in which there is arranged at least one functional element, which co-operates with a first annular contact surface formed in an internal boundary wall. It is desirable... | 02/12/2008 |
| 7314211 | Connector for a compressed-gas cannister and a fastening appliance A connection arrangement for transferring gas from a compressed gas cartridge, has a valve element configured to control the release of gas from the cartridge; a male outlet which is integral with the valve element; a male inlet of a gas receiver for a tool that run... | 01/01/2008 |
| 7296595 | Adjustable flow rate valve A flow valve that provides for control of a fluid flow rate utilizing a first open position and a second open position. Various embodiments of a flow valve having an inlet, an outlet, and a passageway therebetween are provided that comprise a damper element pivotall... | 11/20/2007 |
| 7275530 | Paintball gun A removable air bleed assembly for use with between a paintball gun and an auxiliary system includes a pin having an elongated pin channel extending through a majority of the pin to bleed pressurized air from the paintball gun. An air conduit is coupled between and ... | 10/02/2007 |
| 7252109 | Safety device for a lighting valve of a gas burner A safety device (61) for a lighting valve (23) of a gas burner, comprising a starting button (36), a return spring (57), a cutoff shutter (42) controlled by the starting button (36), a control shutter (41) for a pilot... | 08/07/2007 |
| 7237570 | Gas cylinder dispensing valve A gas cylinder dispensing valve having an internal flow path provided with a pressure regulator. An isolation valve is provided within the flow path between the pressure regulator and a gas inlet of the valve and a flow control valve is provided within the flow path... | 07/03/2007 |
| 7225810 | Valve for use in high pressure gas containers An on-off valve mounted in a high pressurized gas container, which has a holding portion for holding a flow amount controlling member in a path formed in an upper stream side of the body of the valve, and in which a flow amount controlling member is movably held. In... | 06/05/2007 |
| 7219518 | Sequential dispensing of laundry additives during automatic machine laundering of fabrics Disclosed are systems, methods, devices and kits for sequentially dispensing laundry additive materials into the drum of an automatic washing machine as that machine is used to carry out a fabric laundering operation. To bring about such dispensing of additives, a l... | 05/22/2007 |
| 7198058 | Device for actuating double seat valves The invention relates to a device for actuating double seat valves, which are especially suitable for the food and beverage industry and which have an independently actuated first closing element (3) and a second closing element (4) actuated dependentl... | 04/03/2007 |
| 7191791 | Device for actuating double seat valves The invention relates to a device for actuating double seat valves, which are especially suitable for the food and beverage industry and which have an independently actuated first closing element (3), which is designed as a sliding piston and a fully dependen... | 03/20/2007 |
| 7188640 | Gas pressure regulator An improved pressure regulator suitable for use with paint ball guns comprises a hollow valve body, a valve mechanism for selectively releasing gas from a gas source to an output, and an ON-OFF control. The valve body has a coupling portion, a regulator seat, an out... | 03/13/2007 |
| 7171728 | Control knob of the retractable type with slowed-down extraction, in particular for an electrical household appliance A knob includes a hub to be fixed in a seat open at the front of an electrical household appliance, a grip, which can slide axially, against the action of an elastic element, on a first end of the hub. Between the grip and the hub there is defined a closed chamber h... | 02/06/2007 |
| 7160272 | Y-site medical valve A medical valve includes a valve body having a central fluid passageway defined therein. A movable piston adapted in size and shape to be located within said central fluid passageway of said valve body. A sealing interface is defined between said movable piston and ... | 01/09/2007 |
| 7111642 | Valve having fast and slow acting closure elements A first valve portion and a second valve portion are arranged in series in a flow passage within a valve casing to open and close the flow passage. The first valve portion includes a first valve seat, a first valve element supported to a first valve shaft and adapte... | 09/26/2006 |
| 7077382 | Water supply shut off valve with quick connect having flow regulation A water supply shut off valve is mounted in a fluid quick connector carrying a retainer for releasably and latching an endform of an external fluid operative device or conduit to connect the fluid device to a water supply conduit fluidically coupled to the quick con... | 07/18/2006 |
| 7048136 | Canister lid with improved evacuation and vent assembly A canister lid includes a cover member adapted to cover a canister, thereby defining an interior of the canister. An evacuation valve is adapted to allow evacuation of the interior of the container. A vacuum release valve is adapted to allow venting of the interior ... | 05/23/2006 |
| 7007714 | High pressure traverse flow adjustable gas regulator A transverse flow adjustable pressure regulator controls the flow of a gas from a high pressure source to a low pressure device. The regulator includes a body having an inlet port and a pressure chamber. A bonnet engages the body to define a piston chamber and a tra... | 03/07/2006 |
| 7004186 | Surge relief apparatus for a valve A valve apparatus that includes surge relief includes a valve housing having an inlet port, an outlet port, and a poppet seat between the inlet port and the outlet port. The valve also includes a first moveable poppet piece having a closed position against the poppe... | 02/28/2006 |
| 7000635 | Double valve The invention relates to a double valve with a valve housing (1), for housing two double-headed actuators (30, 31), whereby the double head actuators have differing head diameters (12, 13) and the flow of a fluid through the both actuators (3... | 02/21/2006 |
| 6969311 | Pneumatic sanding machine A pneumatic sanding machine includes a body, a pneumatic motor assembly mounted in the body and a control valve detachably mounted in the body to change the path of compressed air that actuates the sanding machine. The control valve includes a first portion selectiv... | 11/29/2005 |
| 6968851 | Double block valve with proving system A double block valve and a valve proving system are disclosed. The double block valve is actuated by a single actuator and includes a valve body housing a cavity. The cavity defines an upstream portion with a fluid inlet and a downstream portion with a fluid outlet.... | 11/29/2005 |
| 6929028 | Gas control assembly The gas control assembly includes a control body threaded to a vessel neck to extend into the vessel containing pressurized fluid and has a fitting in the body bore which in conjunction therewith provides a part of a first fluid passageway from an inlet in the vesse... | 08/16/2005 |
| 6916007 | Closure valve apparatus for fluid dispensing A closure valve used in a fluid dispensing assembly. The closure valve contains a housing, poppet, sleeve, and a biasing member. The closure valve provides simplified sealing structures for preventing product leakage and spill. The sealing structures being integrall... | 07/12/2005 |
| 6901962 | Surge prevention device A surge prevention valve may be used to prevent the formation of an initial surge of high pressure. The valve may be located, for example, between a high pressure gas cylinder and a medical pressure regulator. The valve is provided with first and second valves locat... | 06/07/2005 |
| 6783736 | Cartridge for analyzing a fluid sample A cartridge for analyzing a fluid sample has a body defining at least first and second channels and a cavity separating the channels. An end of the first channel is positioned on a first side of the cavity, and an end of the second channel is positioned on a second ... | 08/31/2004 |
| 6782918 | Valve device for pressurized gas cylinder A valve device for a pressurised gas cylinder comprising a connector to be connected to a gas outlet orifice of a gas cylinder. A handwheel controls closing a gate valve or opening the gate valve to release gas from the cylinder. The output flow of gas released from... | 08/31/2004 |
| 6655409 | Combined stop and control valve for supplying steam The steam valve includes a fast-acting control valve and stop valve acting against a valve seat in a steam flow passage in a closed position. An outlet passage below the valve seat has transition walls therebetween, affording a smooth, continuous flow pas... | 12/02/2003 |
| 6648006 | Valve and a method of closing a valve Valve (1) with a through-going axial bore (4), a first spindle (5) axially displaceable in the bore (4), an elastic/flexible seal (10) placed at the one end surface (6) of the first spindle (5), at least two hollow connection branches (7, 8), each of whic... | 11/18/2003 |
| 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 |
| 6622743 | Surge prevention device A surge prevention valve may be used to prevent the formation of an initial surge of high pressure. The valve may be located, for example, between a high pressure oxygen cylinder and a medical pressure regulator. The valve also may be used for other purpo... | 09/23/2003 |
| 6557585 | Safety water-supply valve apparatus for water purifier In a water-supply valve apparatus comprising a first on-off rod 4 for opening and closing a discharge outlet 22 with an intake lever 6, and a second on-off rod 5 for turning on and off the flow of the water from a supply-tube 1 by pressing a pushing membe... | 05/06/2003 |
| 6539970 | Method and apparatus for servicing a pressurized system A method and apparatus for servicing a pressurized system is described. A purge fitting can be used to vent the pressurized system. Venting can release a gas, such as air, from the system. The pressurized system can be a climate control system (e.g., an a... | 04/01/2003 |
| 6520207 | Combination poppet and gate valve The present invention is directed to a valve for controlling the flow of fluid through a component which includes a flow conduit extending therethrough. The valve comprises a first closure member for controlling the flow of fluid through the conduit, a se... | 02/18/2003 |
| 6447273 | Variable-delivery high-pressure fuel pump A variable-delivery high-pressure fuel pump having a pump chamber varying in volume as a plunger moves in and out, an inlet port valve forming a part of chamber walls of the pump chamber, the inlet port valve being opened when a low-pressure fuel is admit... | 09/10/2002 |
| 6405768 | Pressure fuel servicing nozzle The invention relates to a pressure fuel servicing nozzle for mating with a standardized aircraft fueling adapter having an adapter valve biased in a closed position to prevent fuel flow. The fuel nozzle includes a nozzle body and a collar assembly couple... | 06/18/2002 |
| 6279602 | Valve with improved piston with elastomer O-ring A piston type valve includes a piston moving in a cylindrical seat. The piston is fastened to an operating rod extending along the axis of the cylindrical seat. The perimeter of the piston carries an elastomer O-ring providing the seal between the piston ... | 08/28/2001 |
| 6269840 | Valve-in-valve body, vent port and method A valve in valve assembly. The assembly comprises a housing having an internal passage, a valve body in the housing and movably operable to control process fluid flow through the passage, and a chamber in the valve body. The chamber is open to the passage... | 08/07/2001 |