Did You Know...
...that the Band-Aid Bandage was invented by a Johnson & Johnson employee whose wife had cut herself? Earl Dickson's wife was rather accident prone, so he set out to develop a bandage that she could apply without help. He placed a small piece of gauze in the center of a small piece of surgical tape, and what we know today as the Band Aid bandage was born!
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| Number | Title | Issue Date |
| 6959753 | Construction of phase change material embedded electronic circuit boards and electronic circuit board assemblies using porous and fibrous media A heat sink which comprises an enclosure having a highly thermally conductive surface region and defining an enclosed cavity. A porous, highly thermally conductive material is disposed in the cavity, preferably homogeneously therein, and is thermally coupled to the ... | 11/01/2005 |
| 6932151 | Heat exchanger of an auxiliary heater An auxiliary heater suitable for mobile applications and provided with a burner and a cup-shaped heat exchanger (10) which has a hollow cylindrical wall section (26, 48) with a first end area (16) facing the burner, a bottom section (24, 46 | 08/23/2005 |
| 6866036 | Cooking heat absorber A cooking heat absorber comprising a radiator assembly for absorbing heat radiated from a cooking surface and from a flue riser, on commercial surface cooking equipment and a tank assembly for holding a fluid and circulating the fluid through the radiator assembly t... | 03/15/2005 |
| 6767665 | Method for producing molten salts with an extruder and use of the molten salts The invention relates to a method for producing molten salts and their mixings, using an extruder. The starting materials are melted and reacted and the products of the reaction are then guided via a column with alkali salt. ... | 07/27/2004 |
| 6755138 | Ventilation system and method A balanced building ventilation system that employs a fireplace as an element of the ventilation system. The fireplace includes a firebox, and an exhaust gas flue is connected to the firebox for exhausting gas from the firebox to the outdoor ambient. A ventilation c... | 06/29/2004 |
| 6742516 | Ventilation system and method A balanced building ventilation system that employs a fireplace as an element of the ventilation system. The fireplace includes a firebox, and an exhaust gas flue is connected to the firebox for exhausting gas from the firebox to the outdoor ambient. A ventilation c... | 06/01/2004 |
| 6675880 | Air heater for recovering a heat of exhaust gas A high temperature air heater including a heat transfer conduit located in higher temperature gas. The heat transfer conduit is made up of a heat transfer pipe through which the air to be heated flows and a refractory protective pipe covering the heat tra... | 01/13/2004 |
| 6572370 | Heat regulating unit A forced air heating system has a heat regulating unit assembled therewith, the heating system comprising a furnace having fuel burner and a flue pipe for outlet gases. The heat regulating unit has a metal flue conduit with a flue gas inlet and a flue gas... | 06/03/2003 |
| 6564755 | Preheating assembly for hot water system A heat recovery system includes a heat exchanger surrounding a flue pipe from a furnace for preheating water. The heat exchanger includes a sleeve surrounding the flue pipe to define an annular space and form a water jacket in direct contact with the flue... | 05/20/2003 |
| 6520249 | Low-temperature waste-heat-gas driven refrigeration system High-temperature-side hydrogen storage alloy containers each containing a hydrogen storage alloy are disposed as a heat exchanging portion in high-temperature-side heat exchangers. Low-temperature waste-heat gas generated in a micro gas turbine is importe... | 02/18/2003 |
| 6103191 | Continuous flow pasteurization of sewage sludge A continuous flow sludge pasteurization system includes a flow chamber having an inlet and an outlet and structure within the liquid flow chamber between the inlet and the outlet defining a continuous path for maintaining a continuous flow of a slurry fro... | 08/15/2000 |
| 6014966 | Heat transfer unit for a furnace exhaust vent A heat exchange device for harnessing heat from an exhaust vent is provided including a furnace having a main inlet for receiving cooled air suctioned from a living area, a heating mechanism for heating the cooled air suctioned from the living area, a mai... | 01/18/2000 |
| 5983890 | Fireplace having multi-zone heating control A fireplace adapted to heat multiple heating zones of a building, controlled by a control circuit which adjusts the heat input to the fireplace, airflow through the fireplace and ducting of the airflow to the various zones individually in response to a ca... | 11/16/1999 |
| 5944090 | Heat exchanger for furnace flue A heat exchanger for a furnace flue comprises an outer flue jacket having a plurality of axially parallel exhaust gas passages therethrough. The exhaust gas passage tubes are sealed from the remainder of the interior volume of the jacket by a baffle plate... | 08/31/1999 |
| 5921230 | Insulating blanket for a water heater The present invention relates to an insulating mechanism for a gas water heater designed to increase the efficiency thereof. The device comprises a blanket formed of a pair of arcuate, adjacent panel members having top and bottom edges with a pair of oppo... | 07/13/1999 |
| 5888453 | Continuous flow pasteurization of sewage sludge A continuous flow sludge pasteurization system including a heat exchanger, a source of heat for introducing into the heat exchanger, an inlet for introducing a liquid slurry of sludge into the heat exchanger for heating the sludge to a predetermined minim... | 03/30/1999 |
| 5462111 | Cooling apparatus A cooling apparatus comprises a cooling chamber (2), means (4) for introducing liquefied gas or its cold vapor thereinto, an exhaust passage (16) having flow inducing means associated therewith and a heat transfer means (46) associated with said exhaust p... | 10/31/1995 |
| 5437264 | Waste heat collector for domestic gas water heaters A heat collection apparatus which collects the lost or waste heat from a domestic gas water heater. This apparatus sits on top of the water heater over the flue, where the lost heat is directed through the collector fins on the coil into the hot water out... | 08/01/1995 |
| 5423374 | Heat exchanger for flue gas An improved heat exchanger containing a hollow cylindrical pipe casing having a plurality of apertures formed on the surface. A lower elbow pipe is secured to a stove outlet pipe and to the hollow cylindrical pipe casing. The lower elbow pipe functions to... | 06/13/1995 |
| 5417278 | Heat exchangers for heating rooms with heat from dryers A heat exchanger for heating rooms with heat from a dryer comprising a container in a generally rectangular configuration with a centrally located heating chamber therewithin; a first air-inlet opening and a first air-outlet opening in axial alignment def... | 05/23/1995 |
| 5406934 | Heat recovery apparatus for use with a non-high efficiency furnace A heat recovery apparatus for increasing the efficiency of a furnace having a cold air return, a burner, a hot air outlet, and a hot air exhaust. The heat recovery apparatus comprising a finned coiled heat exchanger located in the exhaust and having a wat... | 04/18/1995 |
| 5394860 | Method of connecting a heat exchanger to a forced air furnace and related valve A method of connecting a heat exchanger to a forced air furnace is described. Firstly, connect a valve to the hot exhaust gas outlet of a furnace. The valve has a generally "L" shaped valve body. The valve body includes a primary passage. A diversion pass... | 03/07/1995 |
| 5385299 | Fresh air intake system for a dwelling having central forced warm air heating In a dwelling having a forced warm air type central heating system in which the source of heat is the hot gas products of combustion in a furnace, ambient fresh air is introduced into the dwelling to improve the quality of air in the dwelling by a fresh a... | 01/31/1995 |
| 5311930 | Heat reclamation device A device for reclaiming waste heat from cooking appliances. The device includes a baffle through which exhaust from the cooking appliance flows, an inlet for receiving exhaust from the cooking appliance, and an outlet for venting exhaust to the atmosphere... | 05/17/1994 |
| 5279356 | Waste heat recovery system These and other objects of the present invention are achieved in a heat recovery system to recover the heat potential and including a plurality of heat exchanger assemblies from exhaust or waste gas at a temperature of from 500 to 2500° F. wherein the he... | 01/18/1994 |
| 4956534 | Inverted frustum shaped microwave heat exchanger and applications thereof A microwave sourced heat exchanger in an inverted, frusta-pyramidal or frusto-conal shaped configuration. A heat conductive medium is carried within microwave transparent pipes toward a microwave source along a split path of increasing perimeter. The geom... | 09/11/1990 |
| 4930571 | Heat recovery apparatus A heat recovery system for at least partially cooling and at least partially cleaning an exhaust stream of hot air from a heating operation which is contaminated with vaporized, condensable liquids and with finely divided particulate solids comprising (a)... | 06/05/1990 |
| 4878479 | Apparatus for exhausting the combustion gases of a stove fired on liquid or gaseous fuel Apparatus for exhausting the combustion gases of a stove with open combustion fired on liquid or gaseous fuel. A collector hood is mounted above the combustion gas outlet of the stove. A heat exchanger is connected to the collector hood. A fan exhausts th... | 11/07/1989 |
| 4854381 | Heat exchanger device A unique heat exchanger device which is mounted in the flue of a forced air furnace is disclosed. A plurality of copper tubes are retained in a substantially parallel and equidistant relationship by means of end plates. A plurality of circular metallic fi... | 08/08/1989 |
| 4852640 | Recuperative heat exchanger A recuperative heat exchanger having a heat exchamber core composed of a plurality of spaced apart plate members is disclosed. The core is disposed for receiving high temperature exhaust gases. A case member is positioned around the heat exchanger core. T... | 08/01/1989 |
| 4766952 | Waste heat recovery apparatus A waste heat recovery apparatus comprising a high-temperature unit including a high-temperature casing having an inlet through which an exhaust gas is introduced into the unit and an outlet through which the exhaust gas is discharged from the unit, a set ... | 08/30/1988 |
| 4754806 | Reciprocating heat exchanger A heat exchanger for reclaiming energy from an exhaust airstream. The exchanger includes a porous metal element suitable for absorbing heat from the exhaust airstream, means for reciprocally moving the porous element back and forth transversely to the exh... | 07/05/1988 |
| 4739826 | Apparatus for preheating combustion air, accompanied by simultaneous reduction of NOx contained in the flue gases An apparatus in the form of an air preheater for preheating air for combustion for a combustion process by acting upon the air with hot, NOx -containing flue gases from the same or an independent combustion process. At the same time, the NO | 04/26/1988 |
| 4737531 | Waste heat recovery In a heat exchange unit that recovers waste heat from carbon black smoke by preheating oxygen-containing gas such as air being passed to a carbon black producing reactor, a control loop is provided that automatically diverts the oxygen-containing gas bein... | 04/12/1988 |
| 4727854 | High efficiency infrared radiant energy heating system and reflector therefor An insulated reflector for a low-intensity radiant energy heating system. Several embodiments are disclosed. In one embodiment, the reflector forms a chamber which is used to preheat fresh air admitted to the heated area.... | 03/01/1988 |
| 4706884 | Hot air heating system A hot air heating system utilizing the otherwise wasted heat and water vapor in the gases of combustion to pre-heat air supplied to the combustion unit. The hot combustion gases discharged from the combustion unit are mechanically induced by a blower to p... | 11/17/1987 |
| 4699315 | Apparatus for recovering chimney heat This disclosure relates to a heating system for a building having a chimney, which heating system incorporates a heat collecting recovery unit set atop the chimney, an underground reservoir, a circulating pump, and an exchanger disposed to reject heat to ... | 10/13/1987 |
| 4664180 | Heat recovery unit for stoves A casing has a plurality of upright panel-type compartments disposed in spaced relation for allowing flue gases and smoke to circulate therebetween. A blower circulates room air through the compartments and back into the room. A cross shaft is mounted in ... | 05/12/1987 |
| 4651814 | Waste heat recovery apparatus A waste heat recovery apparatus is disclosed which recovers the waste heat of high temperature exhaust gas discharged from a furnace. The apparatus includes a radiation body made of ceramic material, which is formed with a heat radiation surface arranged ... | 03/24/1987 |
| 4632179 | Heat pipe An improved heat pipe comprising a duct having disposed at opposite ends thereof an evaporator with wick-lined hollow fins in the form of extended corrugations thereon, and operable to supply heat to the evaporator comprised of a gas combustor having an i... | 12/30/1986 |
