William F. Semple, a dentist, was awarded the first US Patent on chewing gum in 1869. His recipe contained powdered chalk.
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| Number | Title | Issue Date |
| 8443830 | Heater built-in valve A heater built-in valve usable even under a high-temperature condition beyond 200° C. is provided. Piston driving means 7 has an upper compressed-air introducing chamber 24 for moving a piston 6 downward, and ... | 05/21/2013 |
| 8371328 | Back pressure valve with inductively heated flap A back pressure valve for a fuel cell stack assembly is disclosed, wherein the valve includes a solenoid disposed thereon, an energization of the solenoid causing a generation of heat in a valve flap to facilitate a melting of ice that has formed in the valve. ... | 02/12/2013 |
| 8186374 | Fuel cell valve and fuel cell system using the valve A valve for a fluid passage in a vehicle fuel cell system. A housing includes an inflow passage connected to an upstream side of the fluid passage and an outflow passage connected to a downstream side of the fluid passage. A valve body is disposed in the housing and... | 05/29/2012 |
| 7926509 | Method for flow rate control of clustering fluid and device for flow rate control of clustering fluid employed in the method Disclosed is a method of controlling the flow rate of clustering fluid using a pressure type flow rate control device in which the flow rate Q of gas passing through an orifice is computed as K=KP1 (where K is a constant) with the gas being in a state where the rati... | 04/19/2011 |
| 7849873 | Heater unit for installation on valve A heater unit having a main body constructed in the form of a housing and covers the entire flow path forming sections of the valve and joints, and a heater built in the main body is mounted on the valve. The heater includes a direct heating section and a radiant he... | 12/14/2010 |
| 7814929 | Clean line heated valve A valve of cleanable design capable of maintaining unfavourable conditions for microbial activity on the downstream side and/or outlet of the valve, said valve comprising: A smooth and contoured body (5) with an integral upstream connector (1), downstr... | 10/19/2010 |
| 7757707 | Well head valve insulator The well head valve insulator provides insulation to a gas or oil well head. The insulator is formed with a two-piece outer shell that has a height and diameter custom-fitted to the well head, which is filled with foam insulation, preferably polyurethane foam that i... | 07/20/2010 |
| 7726333 | Fluid controller Each of lines A, B is provided on each of opposite sides thereof with a tape heater 11, and a space for positioning a tape heater holding clip 13 therein is provided in each of locations between adjacent fluid control devices. The tape heaters 11 | 06/01/2010 |
| 7677265 | Fluid control apparatus with heating apparatus A heating apparatus (11) has sheet heaters (12) arranged in both sides of at least one line and heating fluid control devices (2, 3, 4) and joint members (5), heat insulating boards (13, 14) made of an engineering plastic are respe... | 03/16/2010 |
| 7549438 | Valve heated by split solenoid A heated valve that has particular application for one or more of a drain valve, a pressure release valve and a bleed valve in an anode outlet unit of a fuel cell system. The valve includes a divided solenoid having at least two coils. During a normal operation of t... | 06/23/2009 |
| 7546848 | Cartridge valve with integrated ceramic ring heater A valve including an integrated heater that has particular application for one or more of a bleed valve, a drain valve and a pressure release valve in an anode outlet unit of a fuel cell system. The valve includes a valve body having a valve body chamber defining a ... | 06/16/2009 |
| 7364098 | Material dispensing apparatus A device for dispensing coating material includes a handle and a barrel coupled to the handle and extending therefrom toward a forward end from which coating material is dispensed. A first component is provided on the dispensing device. Multiple second components ea... | 04/29/2008 |
| 7364139 | Carburetors A carburetor having a throttle valve in the form of a disc which can be rotated to control flow of an air/fuel mixture through a duct, the throttle disc having a heating element and a temperature sensor formed on at least one surface of said throttle disc; and an el... | 04/29/2008 |
| 7334595 | Cabinet for chemical delivery with solvent purging and removal The present invention is an apparatus and process for storing and delivering a low vapor pressure process chemical to a process tool for semiconductor fabrication, comprising: a) a bulk container for storing the process chemical; b) a process container for deliverin... | 02/26/2008 |
| 7328881 | Evacuating valve An evacuating valve includes a chamber port structure to be connected to a vacuum vessel in which a plasma is produce to create a plasma atmosphere, a pump port structure to be connected to a vacuum pump; a valve casing defining a passage connecting the chamber port... | 02/12/2008 |
| 7325563 | Electromagnetic valve An electromagnetic valve generally has a housing, a valve element, an electromagnetic driving portion and a filter. The housing forms a fluid flow passage therein. The valve element is installed in the housing to control a flow of a fluid through the fluid flow pass... | 02/05/2008 |
| 7318446 | Protective housing for pipeline A structure for protecting pipeline sections has a base, a housing affixed to the top surface of the base and having a plurality of side walls extending at an acute angle with respect to a top surface of the base, and an accessing door connected to the housing in a ... | 01/15/2008 |
| 7299814 | Method and apparatus for selectively shutting off the flow of water to a building Embodiments disclosed herein relates in part to selectively shutting off the flow of water through a water supply pipe to a building, such as in the event of a broken water pipe. The embodiments disclosed herein also optionally discontinue electrical power to a wate... | 11/27/2007 |
| 7278438 | Apparatus and process for refilling a bubbler In order to evaporate a liquid substance (3) and convey it to a user, a bubbler (1) is provided, into which a carrier gas (7) is conveyed. When a minimum level (4) has been reached, an exact quantity of the substance (3) is refille... | 10/09/2007 |
| 7263984 | Heated PCV valve and hose assemblies A PCV valve assembly including housing having a fluid inlet and outlet. A poppet valve is disposed in the housing between the fluid inlet and outlet and is moveable in an axial direction between a plurality of positions. A heating element having a positive temperatu... | 09/04/2007 |
| 7252501 | Nozzle and apparatus for injection molding A nozzle controls flow of melt in injection molding equipment by passive actuation with opening and closing of a mold assembly. The nozzle comprises a valve pin having a pin passage therethrough movably supported within a nozzle passage and a contact arm transverse ... | 08/07/2007 |
| 7249695 | Grease gun A battery-powered grease gun is provided for enhancing the pressure applied to a blocked grease fitting. The grease comprises a circuit interconnecting the battery and an electric motor. The circuit includes a switch operable by a user and a thermal protector for br... | 07/31/2007 |
| 7244335 | Substrate processing system and substrate processing method A substrate processing system is provided with an ozone generator capable of generating an ozone-containing gas by discharging electricity in an oxygen-containing gas, and a plurality of processing chambers each capable of holding substrates therein to process the s... | 07/17/2007 |
| 7243674 | Collapsible enclosure A collapsible enclosure includes a roof, a rear wall, a pair of sidewalls, a front wall, each wall having an outside and inside surface and an open bottom. The cover includes heat insulation material covering substantially all of each inside surface of each wall. A ... | 07/17/2007 |
| 7243559 | Exhaust gas particulate measuring system A gas sampling system 36 capable of testing and certifying internal combustion engines 16 under transient conditions is provided and includes a partial flow dilution tunnel 38, master and slave mass flow controllers 80,60 and a transient ... | 07/17/2007 |
| 7238170 | Warmer for medical treatment and its control method This invention prevents the danger of falling of body temperature by making the blood temperature similar to the body temperature in the injection of Ringer's solution fluid or blood transfusion, and also alleviates the patient's pain and improves the speed at which... | 07/03/2007 |
| 7228873 | Valve design and configuration for fast delivery system Embodiments of the invention relate to a substrate processing chamber. In one embodiment a substrate processing chamber includes a chamber body containing a substrate support, a lid assembly comprising an expanding channel extending from a central portion of the lid... | 06/12/2007 |
| 7222636 | Electronically actuated valve The present invention relates to a method and apparatus for delivery of reactants to a substrate processing chamber. An electronically controlled valve assembly is provided for rapid delivery of pulses of reactants to the chamber. The valve assembly comprises a valv... | 05/29/2007 |
| 7220117 | Nozzle and apparatus for injection molding A nozzle for controlling flow of melt in a mold assembly comprises a valve pin guide interposed between a nozzle inlet and nozzle outlet, a valve pin movably supported thereby, and a contact arm engaging the valve pin and transverse to and passing through the valve ... | 05/22/2007 |
| 7204886 | Apparatus and method for hybrid chemical processing A method and apparatus for performing multiple deposition processes is provided. In one embodiment, the apparatus includes a chamber body and a gas distribution assembly disposed on the chamber body. In one embodiment, the method comprises positioning a substrate su... | 04/17/2007 |
| 7191793 | Diaphragm valve for atomic layer deposition A shut-off type diaphragm valve adapted for use in an atomic layer deposition system includes a flexible diaphragm operable to flex between an open position whereby a valve passage is at least partially open and a closed position whereby a substantial portion of a f... | 03/20/2007 |
| 7175713 | Apparatus for cyclical deposition of thin films An apparatus for cyclical depositing of thin films on semiconductor substrates, comprising a process chamber having a gas distribution system with separate paths for process gases and an exhaust system synchronized with operation of valves dosing the process gases i... | 02/13/2007 |
| 7174918 | Air flow control valve for vehicle air conditioning module A novel air flow control valve for an air outlet in an HVAC housing provides for strong, even seal pressure all the way around the edge of the opening. In stead of a swinging door hinged at one edge of the opening, in which seal pressure is strong on the hinge edge ... | 02/13/2007 |
| 7170184 | Treatment of a ground semiconductor die to improve adhesive bonding to a substrate Methods are provided to improve the adhesive bonding of a semiconductor die to a substrate through an adhesive paste by forming a layer of silicon dioxide on the back surface of the semiconductor die prior to applying the adhesive paste. Contacting the semiconductor... | 01/30/2007 |
| 7163619 | Water supply system and multifunctional water supply tank The invention discloses a multifunctional water supply tank with pressure-stabilized water storage and quality-distinguished supply of service and potable water, which includes a service water storage room with a water inlet and a water outlet, a potable water stora... | 01/16/2007 |
| 7159608 | Manifold system and method for compressed medical gases A manifold system is provided herein. The manifold is operative to automatically switch between an In-Use supply of compressed gas to a Reserve supply of compressed gas. The manifold system is constructed so that after it has been installed, it may be converted for ... | 01/09/2007 |
| 7156267 | Valve unit for filling machines The present invention relates to a valve unit for container filling machines, particularly for bottle fillers. More particularly, the present invention relates to a valve unit (1), particularly for machines for filling containers (8), comprising a holl... | 01/02/2007 |
| 7150299 | Assembly and method for containing, receiving and storing fluids and for dispensing gas from a fluid control and gas delivery assembly having an integrated fluid flow restrictor A fluid control and gas delivery assembly and method for containing, receiving and storing hazardous fluids and for dispensing gas comprising a container, a fluid fill path, a gas dispensing path, a first shut-off valve, a pressure reducer, a fluid flow restrictor, ... | 12/19/2006 |
| 7143785 | Microfluidic large scale integration High-density microfluidic chips contain plumbing networks with thousands of micromechanical valves and hundreds of individually addressable chambers. These fluidic devices are analogous to electronic integrated circuits fabricated using large scale integration (LSI)... | 12/05/2006 |
| 7137412 | Relay A relay long in service life aiming at higher reliability and lower cost is achieved by use of a technology of microelectromechanical•systems. The relay comprises a flow path having narrow chokes and wide chokes, formed by bonding two insulating members together, ... | 11/21/2006 |