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 |
| 7987900 | Heat exchanger with heat exchange chambers utilizing respective medium directing members A heat exchange chamber includes an inlet, an outlet and a plurality of walls defining a chamber interior. The inlet receives a heat exchange medium flowing in a first flow direction in an initial line of flow. Disposed within the chamber interior is a medium direct... | 08/02/2011 |
| 7845396 | Heat dissipation device with coarse surface capable of intensifying heat transfer A heat dissipation device with coarse surface capable of intensifying heat transfer includes a main body and a heat transfer intensifying unit. The main body provides a surface and the heat transfer intensifying unit is disposed on the surface. The heat transfer int... | 12/07/2010 |
| 7686070 | Heat exchangers with turbulizers having convolutions of varied height A heat exchanger comprises at least one tube or plate pair defining a fluid flow passage which is reduced in height across a portion of its width. A turbulizer comprising a plurality of rows of convolutions is received inside the fluid flow passage in either the low... | 03/30/2010 |
| 7398819 | Minichannel heat exchanger with restrictive inserts A comb-like insert having a body and plurality of tapered fingers is installed with its fingers disposed within respective minichannels. The fingers and their respective minichannels are so sized as to restrict the channels and frictionally hold the insert in place ... | 07/15/2008 |
| 7380976 | Device and method with cooling jackets A device comprising a flow channel having an inlet for introducing a flow of a first material, an outlet for exiting a flow of a second material; a plunger disposed and slidably movable coaxially within the flow channel; a first cooling device disposed adjacent to a... | 06/03/2008 |
| 7370488 | Geo-thermal heat exchanging system facilitating the transfer of heat energy using coaxial-flow heat exchanging structures installed in the earth for introducing turbulence into the flow of the aqueous-based heat transfer fluid flowing along the outer flow channel A geothermal heat exchanging system including a heat exchanging subsystem installed above the surface of Earth, and one or more coaxial-flow heat exchanging structures installed in the Earth. The coaxial-flow heat exchanging structures installed in the Earth, facili... | 05/13/2008 |
| 7362574 | Jet orifice plate with projecting jet orifice structures for direct impingement cooling apparatus A cooling apparatus and a direct cooling impingement module are provided, along with a method of fabrication thereof. The cooling apparatus and direct impingement cooling module include a manifold structure and a jet orifice plate for injecting coolant onto a surfac... | 04/22/2008 |
| 7347254 | Heat exchanger for motor vehicles The invention relates to a heat exchanger for motor vehicles, having a large number of flat tubes through which a liquid cooling medium can flow, and having corrugated fins which are associated with these flat tubes and to which environmental air or other media can ... | 03/25/2008 |
| 7337835 | Baffle and tube for a heat exchanger The present invention relates to a heat exchanger for transferring heat from one fluid to another fluid, comprising a plurality of metallic tube continuously formed into four discrete helically wound coils, each coil having at least four turns, the coils being spati... | 03/04/2008 |
| 7337831 | Heat transfer device A separation wake zone behind a heat transfer tube in a heat transfer device of a heat exchanger or the like is reduced, whereby a heat transfer action of the heat transfer device can be augmented and a pressure loss thereof can be reduced. The heat transfer device ... | 03/04/2008 |
| 7334627 | Enhanced heat transfer device with electrodes An enhanced heat transfer device with electrodes is provided, which is applied to a heat exchanger with a plurality of fluid channels and includes a plurality of electrodes mounted in the fluid channels of the heat exchanger; a plurality of sensor units mounted in t... | 02/26/2008 |
| 7331752 | Method of conversion of continuous medium flow energy and device for conversion of continuous medium flow energy A device and method for conversion of the energy of medium flows are provided. The proposed device and method ensure suppression of the vortex streams in the flow on the leg of its motion along the radially converging trajectories and concentration of the flow energ... | 02/19/2008 |
| 7322403 | Heat exchanger with modified tube surface feature A heat exchanger includes a shell that has an inner chamber defined by an inside wall surface. A tube stack disposed within the inner chamber and includes a plurality of flat elongated tubes that define a first fluid flow path. The tubes each include a wire that is ... | 01/29/2008 |
| 7322400 | Cooling apparatus having low profile extrusion A cooling apparatus has a low profile extrusion with a plurality of micro tubes extended there through. The low profile extrusion is placed into thermal connection with heat producing components. A heat transfer fluid removes heat via an adiabatic process. ... | 01/29/2008 |
| 7320359 | Liquid cooling element and connection arrangement of liquid cooling element The invention relates to a liquid cooling element for cooling heat generating elements of frequency converters, in particular, and an arrangement for connecting the liquid cooling element. The liquid cooling element 2 is provided with two channel systems: hor... | 01/22/2008 |
| 7320280 | Pitting machine comprising a punching head which performs a curvilinear oscillatory movement in synchronization with the translation movement of fruits to be pitted A pitting machine comprises a punching head that performs a curvilinear oscillatory movement in synchronization with the translation movement of fruits to be pitted, in particular for use in industries that process food such as pitted dried or dehydrated plums and w... | 01/22/2008 |
| 7316261 | Heat exchanging system of ventilating device A heat exchanging system of a ventilating device includes: a heat exchanging housing communicating with an outdoor air passage and an indoor air passage; a rotational shaft rotatably supported at one side of the case of a ventilating device; and a heat exchanging el... | 01/08/2008 |
| 7316503 | Static mixer The static mixer for a low viscosity fluid contains inbuilt devices effective for mixing, which are arranged in a pipe or in a container conducting the fluid. The inbuilt devices include structure elements in the form of flat, folded or curved sheet metal-like flow ... | 01/08/2008 |
| 7303002 | Fin structure, heat-transfer tube having the fin structure housed therein, and heat exchanger having the heat-transfer tube assembled therein A fin structure, a heat-transfer tube and a heat exchanger are formed of plate fins housed in a heat-transfer tube and have an excellent cooling efficiency by making the distribution and flow velocity of a flow uniform and by promoting an efficient heat-exchanging a... | 12/04/2007 |
| 7290595 | Inner fin with cutout window for heat exchanger An inner fin (1) of a heat exchanger has, on front and rear faces thereof, protruding ridges (2, 3) protruding in opposite directions to each other. Grooves (4, 5) to serve as passages of a heat exchange medium are formed between the adjacent pr... | 11/06/2007 |
| 7282118 | Method for production of easily polymerizable substance and purification apparatus This invention resides in providing a method for the prevention of possible polymerization of the easily polymerizable substance during the purification thereof by a column provided with (a) at least one tray directly fixed to a support ring with a bolt and a nut an... | 10/16/2007 |
| 7275393 | High-efficiency turbulators for high-stage generator of absorption chiller/heater Turbulators are disclosed for use in a high-stage generator for an exhaust-fired absorption chiller/heater. The turbulators are designed to minimize pressure drop across the turbulator, and thus minimize the efficiency loss to the exhaust source. One turbulator desi... | 10/02/2007 |
| 7269971 | Electrohydrodynamic evaporator device An electrohydrodynamic evaporator device (EHD) has an EHD electrode. An electric field is generated upon a fluid of low conductivity inside the evaporator device and an enhanced thermal transport effect is then achieved since a thermal boundary layer near a thermal ... | 09/18/2007 |
| 7269008 | Cooling apparatus and method A cooling apparatus is provided with an electrostatic flow modifier to be complementarily positioned relative to a cooling fluid flow to modify at least one characteristic of the cooling fluid flow to enhance an amount of heat the cooling fluid flow removes from an ... | 09/11/2007 |
| 7266976 | Vertical heat exchanger configuration for LNG facility LNG facility employing one or more vertical core-in-kettle heat exchangers to cool natural gas via indirect heat exchange with a refrigerant. The vertical core-in-kettle heat exchangers save plot space and can be use to reduce the size of cold boxes employed in the ... | 09/11/2007 |
| 7264045 | Plate-type evaporator to suppress noise and maintain thermal performance A heat exchanger assembly including a plurality of pairs of plates disposed in series for fluid flow from a pass through one pair of plates to a pass through the next pair of plates. Each pair of plates includes a central rib to define a U-shaped passage having a fl... | 09/04/2007 |
| 7260958 | Electrohydrodynamic condenser device An electrohydrodynamic (EHD) condenser device includes a condenser installed with an EHD electrode. An electric field is generated upon a fluid of low conductivity inside a compressor device and an enhanced thermal conduction effect is then achieved since the electr... | 08/28/2007 |
| 7258159 | Heat exchanger A heat exchanger includes a plurality of flat tubes. The flat tubes have a pair of tube sheets facing each other and joined together. The tube sheets have a flat part, a recess part, and a cylindrical tank. The tube sheet is one of a first tube sheet and a second tu... | 08/21/2007 |
| 7255155 | Heat exchanger tube with integral restricting and turbulating structure A heat exchanger tube having an integral restricting and turbulating structure consisting of dimples formed by confronting indentations pressed into the sides of the heat exchanger tube. The dimples are comprised of indentations disposed in pairs which extend into t... | 08/14/2007 |
| 7255159 | Insert for heat exchanger tube An insert adapted to connect to opposite walls in a heat exchanger tube, including a corrugated sheet having alternating wave crests and wave troughs connected by wave flanks having openings therein, wherein at least some of the wave crests have a length different t... | 08/14/2007 |
| 7246937 | Golf ball mixing and dispensing apparatus The present invention provides an apparatus and system for mixing castable polyurethanes for dispensing into a golf ball mold for application to a golf ball sub-assembly. The apparatus comprises a mixing block for merging together at least two polyurethane component... | 07/24/2007 |
| 7246437 | Heat exchanger for cooling exhaust gas and method of manufacturing same A heat exchanger for cooling exhaust gas, around which a liquid cooling medium flows on the outside, including a bundle of rectangular tubes provided as ducts for the exhaust gas whose ends are welded into tube bottoms. The bundle of rectangular tubes is surrounded ... | 07/24/2007 |
| 7239968 | Method and apparatus for predicting fan failure A method and apparatus are provided for monitoring and adjusting angular speed or rotational frequency of a fan as well as wear. As a result of being able to monitor the angular speed or rotational frequency of a fan, a prediction of both wear and failure can be mad... | 07/03/2007 |
| 7225859 | Heat exchanger element and heat exchanger member for a stirling cycle refrigerator and method of manufacturing such a heat exchanger member A heat exchanger element for a Stirling cycle refrigerator is produced by integrally forming an annular corrugate fin that is produced by forming a sheet material, corrugated so as to have a large number of grooves, into a cylindrical shape with the grooves parallel... | 06/05/2007 |
| 7220316 | Wire material plating equipment An apparatus for plating a wire material is provided in which a range of the plated layer where the temperature is high and flowability is large, thus, easily generating thickness deviation, and a range of the plated layer where the temperature is low and the flowab... | 05/22/2007 |
| 7210469 | Oxidation catalyst coating in a heat exchanger A method for an internal combustion engine includes the steps of collecting exhaust gas in a volume (902) and flowing exhaust gas out of the volume in a first and a second portions (904). The first portion forms a tailpipe gas stream (906), and ... | 05/01/2007 |
| 7198096 | Stacked low profile cooling system and method for making same A stacked array of low profile heat pipes each with a plurality of micro tubes extended therethrough. The stacked low profile heat pipes are placed into thermal connection with heat producing components. A heat transfer fluid is contained in the micro tubes of the l... | 04/03/2007 |
| 7182125 | Low profile heat exchanger with notched turbulizer A multi-pass heat exchanger including first and second plates forming a fluid chamber therebetween having an inlet opening and an outlet opening, and a turbulizer plate having rows of fluid flow augmenting convolutions in the fluid chamber, the turbulizer plate incl... | 02/27/2007 |
| 7172016 | Internally mounted radial flow, high pressure, intercooler for a rotary compressor machine A header construction intended for use in a heat exchanger (36) employed in a relatively high pressure application includes an array of generally parallel tube runs (84) with fins (82) extending between adjacent ones of the tube runs. At least o... | 02/06/2007 |
| 7169292 | Pyrolysis tube and pyrolysis method for using the same The present invention provides a pyrolysis tube for enhancing the yield of olefins and reducing a coking tendency in steam cracking of hydrocarbons. According to the present invention, the pyrolysis tube is characterized in that a plurality of mixing blades made by ... | 01/30/2007 |