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| Number | Title | Issue Date |
| 7934495 | Controlled mechanical heating—wax skin therapy and aromatherapy A non-thermostatic heating device is provided with temperature range control whereby materials may be heated and melted to a safe or desired temperature and maintained, particularly soy based non-candle formulated waxes for skin therapy as well as aromatherapy waxes... | 05/03/2011 |
| 7814898 | High capacity snow melting apparatus and method A high capacity snow melting apparatus has a hopper with one or a plurality of dedicated heater/blower units coupled to a plurality of commingled heat radiant conduits for contact with snow, ice and water, and manifolds connected to the conduits for additional heat ... | 10/19/2010 |
| 7455060 | Startup burner assembly for snow melting apparatus and method of snow melting A startup burner assembly for use in snow melting applications, and which permits initiation of snow melting without first supplying water as a coolant. The startup burner assembly comprises a fuel burner having adjustable combustion output and a nozzle to facilitat... | 11/25/2008 |
| 6736129 | Submerged combustion snow melting apparatus The present invention relates to a snow melting apparatus including a container for holding a snow melting medium and receiving the snow; and a burner having a combustion chamber, wherein at least a portion of the combustion chamber is submerged in the snow melting ... | 05/18/2004 |
| 6439806 | Pavement repair material cart A portable cart for transporting and dispensing heated pavement repair materials that is capable of being moved and operated by one person, the cart applying a heated asphaltic/polymeric binder material. The cart comprises a heating chamber having an encl... | 08/27/2002 |
| 6360738 | Snow disposal apparatus A snow disposal apparatus for melting snow having a receiving tank with an interior, a top portion in which snow is disposed through a top opening and a lower portion having a downward tapering shape terminating in a bottom opening, and a load plate posit... | 03/26/2002 |
| 6223742 | Apparatus for heating particulate material Suitable for melting snow, the apparatus has a flame heater for melting snow directly by flame contact directed from above, a conveyor for transporting snow to the flame heater for melting, and a drainage for allowing water to drain while the snow is bein... | 05/01/2001 |
| 6065469 | Emission control system for asphalt kettle An emission control system for an asphalt kettle combines a number of features to increase efficiency and convenience of operation, while minimizing potential safety hazards. The asphalt kettle is connected via a duct to a separate afterburner device equi... | 05/23/2000 |
| 6021843 | Snow melting apparatus for wheel wells A device for melting snow and ice in the wheel wells of a motor vehicle. The device comprises tubing which extends from the radiator of the vehicle to the wheel wells in a continuous loop. When the device is activated by an on-off switch inside the vehicl... | 02/08/2000 |
| 6012447 | Heated mixing kettle with dual acting agitators A heated kettle for melting and mixing a thermoplastic resin into a homogeneous mixture has a helically-formed agitator which rotates about a central shaft in close proximity to the internal wall of the kettle. Fixed to the shaft at approximately the cent... | 01/11/2000 |
| 5956872 | Self contained snow removal apparatus A snow removal device that uses a truck frame to hold a snow collecting, melting and storage system. A duct carries snow from a snow blower, mounted on the truck, into a large hopper. The hopper is covered to prevent the snow from leaving the hopper. A nu... | 09/28/1999 |
| 5953837 | Snow removal and disposal vehicle A cylindrical tank is situated on a bed of a vehicle. A tank opening is provided at a top of the tank. An agitator is provided within the tank. A heating unit such as an oil fired boiler, comprises a burner unit situated on the bed, and fire tube heating ... | 09/21/1999 |
| 5887583 | Mass flow control system and method for asphalt plant As electronic programmable valve positioning linkage for a burner used in a hot mix asphalt plant is associated with fuel, air and optionally flue gas recirculation valve motors. To avoid an undesired rich condition which might result in an explosive cond... | 03/30/1999 |
| 5791335 | Snow melting apparatus A snow melting apparatus comprises a hopper which forms a lower trough. A pivoting ram/screen assembly prevents large object debris from passing to the trough. A manifold which mounts a plurality of rotating sprinkler heads defines a spray zone for discha... | 08/11/1998 |
| 5787613 | Method and apparatus for melting snow using exhaust and cooling system waste heat An vehicle for removing and melting snow from a roadway wherein the snow is collected, transferred to a snow melting means which utilizes heat from the exhaust and cooling system to melt the snow. The vehicle includes means for restricting flow of a heat ... | 08/04/1998 |
| 5727453 | Apparatus and method for thawing frozen food product A new method and apparatus for thawing frozen food product utilizing desuperheated gas thawing medium near its saturation point. The transfer of the latent heat of condensation from the thawing medium to the frozen food product immediately condenses the t... | 03/17/1998 |
| 5718221 | Method for conversion of snow into water and disposal thereof and snow disposal apparatus therefor A snow disposal apparatus and a snow conversion system for converting a container into the snow disposal apparatus and the method of converting volumes of snow received in the container into water. The snow conversion system is an assembly of upright supp... | 02/17/1998 |
| 5683578 | Filter valve system for regulating, filtering, and dispensing a flow of hot melt materials and adhesives An apparatus for controlling and filtering the flow or viscous fluid in a material melting and dispensing device is disclosed. The apparatus includes a rotatable valve assembly having a filter plate and a flow stoppage plate. Rotation of the valve alterna... | 11/04/1997 |
| 5588231 | Self contained snow removal apparatus and method of use therefore A snow removal device that uses a truck frame to hold a snow collecting, melting and storage system. A duct carries snow from a snow blower, mounted on the truck, into a large hopper. The hopper is covered to prevent the snow from leaving the hopper. A se... | 12/31/1996 |
| 5542841 | Burner apparatus for use in a glass furnace A burner apparatus is used in a glass furnace incorporating a plurality of pairs of burners, each pair of burners being provided at the diametrically opposite locations of the furnace and operated alternately. The burner apparatus comprises a water cooled... | 08/06/1996 |
| 5380500 | Process for separating vaporous heavy metal compounds from a carrier gas and apparatus for carrying out the process A process and apparatus for the separation of vaporous heavy metal compounds from a carrier gas wherein the heavy metal compounds are cooled and desublimed. An apparatus for carrying out this process has a melting furnace with a discharge opening for a ga... | 01/10/1995 |
| 5266220 | Method for melting contaminated snow and washing solids held therein A method for melting snow containing solids and chemical contaminants and washing the solids is disclosed therein. The method includes the steps of heating the snow mixture within a hopper to melt the snow into water, gravitationally separating the solids... | 11/30/1993 |
| 5253566 | Infra-red deep fat fryer A deep fat fryer is described which is heated by burner tubes extending through the central portion thereof and by burners therein which are metal mesh. The burners support combustion only on the surface so that the primary heat source is infra-red energy... | 10/19/1993 |
| 5235762 | Snow melting apparatus A snow melting apparatus (1) including a reduction chamber (4) into which heated air is forced by a burner (14). Heated air is distributed within the reduction chamber (4) by using a central conduit (13) to which are rigidly affixed heat exchanger pipes (... | 08/17/1993 |
| 5199198 | Apparatus and method for snow disposal There is disclosed a method and apparatus for disposal of snow in urban areas. Snow is disposed of using existing manhole or other connections to sewer systems with a portable or mobile disposal unit formed of a snow receiving bin, a grinding device, appa... | 04/06/1993 |
| 5154322 | Gas heated tool with control valve and refillable container A combustion head for use with a hot melt glue gun includes a glue feed passageway through which hot glue is to pass to a nozzle, and a heating chamber, the glue feed passageway and the heating chamber having a wall in common through which heat is exchang... | 10/13/1992 |
| 5133335 | Paraffin wax grafting technique and apparatus A technique and equipment for grafting are disclosed. The technique involves forming a wedge on a scion, forming a cleft or side cut in rootstock, forming a union with the scion and rootstock, binding the union with budding strips, and coating the wrapped... | 07/28/1992 |
| 5120217 | Asphalt reclamation unit with discharge feed and improved hot air flow A unit for heating initially solid asphaltic material to provide asphaltic concrete in a condition suitable for application, including an inner enclosure defining a volume for containing the material to be heated, an outer enclosure surrounding and spaced... | 06/09/1992 |
| 5101806 | Gas infra-red burner in a heater tube or heat exchanger An improved gas burner for a cooking tank or heating air via a heat exchanger, the burner including a distribution tube which is closed at one end and mounted within a burner shell. The upper generally semi-cylindrical surface layer of the burner shell is... | 04/07/1992 |
| 5099824 | Easy-ply boiler The purpose of the Easy-Ply Boiler is to warm tar, roofing or other building materials in a boiler. The boiler holds water that is heated by gas burners. The water boils and warms the tar, roofing or other building materials.... | 03/31/1992 |
| 5079865 | Snow removal apparatus Apparatus defined by an elongate truck body with a cab and truck bed housing overlying elongate truck frame plate. A forwardly oriented chute with an impeller drive at a forwardmost end of the chute directs snow upwardly through the chute by use of a driv... | 01/14/1992 |
| 4976609 | Flashback resistant infrared gas burner apparatus A flashback inhibiting fuel fired infrared burner has a housing with a base wall, a side wall section extending outwardly from the base wall periphery, and a side opening positioned opposite the base wall. Retained in and covering the housing side opening... | 12/11/1990 |
| 4892046 | Furnace roof and method of constructing the same A removable roof for a furnace in which metal is melted has a framework composed of a series of horizontal beams arranged in several layers, with the beams of the lowest layer being parallel to each other and being held in fixed and determined relation wi... | 01/09/1990 |
| 4848318 | High efficiency frying apparatus with supercharged burner system A cooking apparatus having a frypot or assembly for heating a quantity of cooking oil including well center section arranged to have enclosed burner assemblies disposed on each side of the center section and forming combustion chambers for the combustion ... | 07/18/1989 |
| 4813165 | Snow removing and dissolving apparatus Snow removing and dissolving apparatus carried by a self-propelled motor vehicle and formed by at least one rotary drum arranged in front of the vehicle. A screw conveyer picks up the snow collected by the rotary drum and conveys it to a heating chamber t... | 03/21/1989 |
| 4790455 | Hot melt dispensing apparatus having offset hopper A hot melt dispensing apparatus for converting solid thermoplastic material to molten thermoplastic material and for dispensing the molten thermoplastic material comprises a solid thermoplastic material receiving hopper, a vibrated feed chute mounted bene... | 12/13/1988 |
| 4785561 | Snow removal method Snow removal equipment includes a snowblower on a truck delivering snow into the top of a snow reduction chamber on the back of the truck. The snow falls on several spaced apart, horizontal layers of hot, mutually parallel closely spaced tubes. The snow m... | 11/22/1988 |
| 4781171 | Gas fired particulate melting apparatus and method A liquid fuel fired apparatus and method for the efficient distribution and utilization of heat in the melting of a particulate feedstock. The feedstock is preheated to an incipient softening point temperature in a vertically disposed shaft. The column of... | 11/01/1988 |
| 4697572 | Apparatus for slurrifying snow-debris Apparatus and method utilize an open-top hopper having an upper cascade-zone and a lower pool-zone. Crude snow-debris is intermittently dumped into the hopper open-top and there operationally admixed with low-temperature water; this admixture is converted... | 10/06/1987 |
| 4676224 | Heating and melting apparatus for melting a substance to be melted A heating and melting apparatus according to the present invention has a housing for receiving a substance to be melted, a heater for heating the housing in order to melt the substance, and a vessel for receiving and storing the resulting liquid. The liqu... | 06/30/1987 |
