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| Number | Title | Issue Date |
| 7780439 | Kilns for the processing ceramics and methods for using such kilns Kilns for processing ceramics and methods for using such kilns are disclosed herein. In one embodiment, a kiln includes an inner body configured to hold one or more ceramic workpieces for processing. The kiln can also include an outer body at least partially surroun... | 08/24/2010 |
| 7425692 | Thermal processing system having slot eductors In a system for thermally processing materials, at least one slot eductor is disposed in a wall or roof surface of the furnace chamber to provide circulation of gas within the furnace chamber. ... | 09/16/2008 |
| 7360580 | External flue heat exchangers A heat exchanger is mounted external to a section of flue pipe or is an integral part of a section of flue pipe. The heat exchanger preheats a domestic hot water supply and boosts the return water temperature prior to reentry to the furnace coil. The heat exchanger ... | 04/22/2008 |
| 7360323 | Top firewall cover assembly for laundry dryer Top cover assembly including a top cover mounted on a side plate of a cabinet, a fire plate between the side plate and the top cover, for preventing spreading of fire taking place in the cabinet to an exterior, and a cabinet holder for fastening the fire plate to th... | 04/22/2008 |
| 7216696 | External flue heat exchangers A heat exchanger is mounted external to a section of flue pipe or is an integral part of a section of flue pipe. The heat exchanger preheats a domestic hot water supply and boosts the return water temperature prior to reentry to the furnace coil. The heat exchanger ... | 05/15/2007 |
| 7128429 | Light trap and heat transfer apparatus and method A heat sink containing a woolen material is provided for a band-pass filter in a curing lamp. Light having a particular wavelength(s) is transmitted through the band-pass filter and into the heat sink whereas light having other wavelengths is reflected by the band-p... | 10/31/2006 |
| 7018584 | Method and apparatus for metal processing A method for metal processing is provided in which a cooling atmosphere comprising hydrogen is used for accelerated cooling of a processed metal part in a furnace, resulting in improved properties for the metal part. A sintering furnace is also provided and comprise... | 03/28/2006 |
| 6666681 | Circulating agricultural building heaters Agricultural forced air heaters marketed for use in farm buildings which house poultry, swine, and livestock are quite susceptible to the accumulation of dust and other particles. These heaters are gas fired units having combustion, air mixing, blower and... | 12/23/2003 |
| 6632087 | Infrared heating oven for the conditioning of plastic preforms Infrared oven for heating a plurality of preforms and comprising: a conduit through which said preforms move, a flow of outside air that flows through said conduit from an intake mouth to an exhaust mouth under the action of a blower, a plurality of infra... | 10/14/2003 |
| 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 |
| 6116896 | System and method for oxidant injection in rotary kilns A system and method for increasing the amount of oxygen in a kiln chamber is disclosed. The radial surface of a rotatable kiln is provided with at least one oxidant injection port extending through the radial surface into the kiln chamber. A cam is connec... | 09/12/2000 |
| 5944894 | Substrate treatment system A substrate treatment system comprises process sections provided with at least either of liquid treatment group units and heat treatment group units, an upper space formed above the process sections in order to supply air to the process sections, a purifi... | 08/31/1999 |
| 5931664 | Non-mechanical leak-proof coupling A non-mechanical leak proof coupling for use on a gas carrying pipe having two pipe sections which are moveable relative to each other. The coupling includes a first pipe section having an upstream end in flow communication with a stationary gas source an... | 08/03/1999 |
| 5421317 | Ventilated cooking oven A ventilated conveyor oven is provided. The oven uses a makeup air fan to admit air to the plenum extending across the front of the unit and across the top of the unit. Exhaust channels are provided on the sides spaced above and below the conveyor oven en... | 06/06/1995 |
| 4616996 | Non-oxidizing atmosphere firing furnace for ceramic articles A non-oxidizing firing furnace for ceramic articles, which comprises a furnace chamber filled with a non-oxidizing gas, a conveyor mechanism provided on the floor portion of the furnace chamber and adapted to move the ceramic articles oppositely to a dire... | 10/14/1986 |
| 4365954 | Continuous furnace for firing ceramic articles A continuous electric tunnel furnace includes a tunnel through which articles to be fired are passed in a direction of feed. The tunnel has a length portion constituting a sintering zone. Nitrogen is introduced into the tunnel at the outlet thereof. The n... | 12/28/1982 |
| 4318693 | Axial fan turning diffuser The axial fluid flow fan comprises a shaft, an impeller mounted on said shaft comprising a tankhead and a plurality of blades, a drive means attached to the shaft for rotating the impeller and a deflector having a bugle bell shape defined by a small diame... | 03/09/1982 |
| 4047490 | Recuperative heating system A recuperative heating system has a heat conductive chimney flue; a fuel combustion chamber exhausting hot waste gases and smoke upwardly through the flue; coaxial ducts about the flue, defining a fresh air flow path downwardly from a cool air intake alon... | 09/13/1977 |
