Did You Know...
...that in 1800 ether was first used by partyers as a fun diversion? Sniffing the gas led to hilarious and raucous laughter as people watched each other become more and more intoxicated and silly. Several doctors independently realized the value ether would have to anesthetize surgery patients. Of those who claimed rights to the "discovery," none had a happy ending. One had a seizure and died defending his rights. Another spent his life in an asylum because he had been denied acclaim. A third became addicted to chloroform and, in a New York City jail, he soaked a cloth in the drug, severed an artery and bled to death.
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| Number | Title | Issue Date |
| 7120185 | Method and apparatus for waste vitrification A waste vitrification apparatus (10) having rotatable mixer impeller (16) functioning as a shaft electrode (60) and metallic vessel (14) functioning as a vessel electrode (62). A stream (12) of waste material and vitrifiable... | 10/10/2006 |
| 7108808 | Method for waste vitrification A waste vitrification apparatus (10) having rotatable mixer impeller (16) functioning as a shaft electrode (60) and metallic vessel (14) functioning as a vessel electrode (62). A stream (12) of waste material and vitrifiable... | 09/19/2006 |
| 6983006 | All-electric glass-melting deep furnace and method of refining and supplying glass An all-electric glass-melting deep furnace and a method of refining and supplying glass are disclosed in which high-quality molten glass is efficiently produced in large quantity at high heat efficiency. The glass-melting deep furnace 20 has a bottom 2... | 01/03/2006 |
| 6848275 | Method for melting or refining glasses or glass ceramics This invention relates to a device for melting or refining glass or glass ceramics. According to the invention, such a device is provided with the following characteristics: a channel which is arranged in an essentially horizontal manner and which is provided with a... | 02/01/2005 |
| 6570906 | ARC furnace with DC arc and AC joule heating An arc furnace that utilizes a combined DC arc system and an AC joule heating system to melt the waste disposed therein and to keep the waste material in a molten condition. The DC arc system utilizes the AC joule heating electrodes as part of the DC curr... | 05/27/2003 |
| 6334337 | Air bubbler to increase glass production rate In a glass melter, a precious metal insert is used to protect a gas bubbler from corrosion at the orifice of the bubbler through which gas is injected into the melt. The use of a precious refractory metal insert at the bubbler orifice prevents the attack ... | 01/01/2002 |
| 6125658 | Glass furnace and installation comprising same The invention relates to the electric melting technique, in which the melting energy is dissipated in the bath of melted glass as a result of the Joule effect by means of electrodes which dip through the surface of the bath. According to the invention, th... | 10/03/2000 |
| 5327452 | Forehearth A forehearth for a glass furnace comprises a trough and roof over the trough, the roof having two longitudinal ridges extending downwardly towards the surface of the glass to define three longitudinal chambers. The central chamber forms a conduit for the ... | 07/05/1994 |
| 5319669 | Hazardous waste melter An apparatus for processing various hazardous waste materials by melting in a vessel for subsequent solidification is disclosed which includes a seal for the cover thereof. Melter includes a high-speed mixing impeller powered by a drive shaft which extend... | 06/07/1994 |
| 5271032 | Lid heater for glass melter A glass melter having a lid electrode for heating the glass melt radiantly. The electrode comprises a series of INCONEL 690 tubes running above the melt across the melter interior and through the melter walls and having nickel cores inside the tubes begin... | 12/14/1993 |
| 5265118 | Silicon carbide whisker production apparatus A silicon carbide whisker production apparatus manufactured by placing a plurality of lidded reaction vessels in the longitudinal direction of an Acheson furnace at intervals, packing graphite grains in the gaps between the adjacent reaction vessels and a... | 11/23/1993 |
| 5243621 | Method of feeding glass batch to a glass-melting furnace A method of feeding glass to a glass-melting furnace for making a vitreous material, a heated airstream containing air at a temperature in excess of 1,000° C. is passed down vertical cylinders towards the crown of the glass-melting furnace. Powdered glas... | 09/07/1993 |
| 5241558 | Vertical glass melting furnace A vertical glass melting furnace of the type having an inlet for raw materials at the top thereof, an outlet for molten glass at the bottom thereof, and a tabular electric resistance heating element for melting which is immersed at some level in molten gl... | 08/31/1993 |
| 5173919 | Manipulation of the exit gas flow in a melting furnace In a melting furnace (1), toxic, volatile chemical compounds from introduced filter dust from industrial incineration units are vaporized at about 1300° C. and forced to leave the reaction space. The non-vaporizing residue forms a glassy melt which is di... | 12/22/1992 |
| 5131005 | Melting apparatus having double wall structure A melting apparatus in which a material to be melted is accommodated in a crucible made of platinum or its alloy, and electric current passes through the crucible to generate heat ot melt the material. At least a part of the crucible is formed into a doub... | 07/14/1992 |
| 5062118 | Electric melting furnace for vitrifying waste An electric melting furnace for vitrifying waste, having a melting tank having walls of refractory bricks, the melting tank being provided at the upper portion thereof with a supply port for a glass additive and waste and at the bottom portion thereof wit... | 10/29/1991 |
| 4895678 | Method for thermal decomposition treatment of radioactive waste A method for thermal decomposition treatment of a radioactive waste uses an apparatus comprising a container for holding molten matter of a radioactive waste containing a sodium compound, a pair of electrodes contacting the molten matter, and a power sour... | 01/23/1990 |
| 4782497 | Electric melting furnace for glassifying high-radioactive waste An electric melting furnace for glassifying high-radioactive waste characterized in that, in a furnace for melting glass containing platinum-group elements which has an outlet of glass at the bottom part of a melting tank, the bottom of the furnace surrou... | 11/01/1988 |
| 4746344 | Fiber forming bushing and method for providing A fiber glass bushing having a thermocouple embedded in the bottom thereof and a method of preparing the same is described. The thermocouple is carried in a plate member which is welded to the bushing bottom by a weld on the outside of the busing.... | 05/24/1988 |
| 4738700 | Method and apparatus for controlling temperature in a fiber glass forming bushing An apparatus for more accurately measuring the temperature of a fiber glass forming bushing is described which includes the placing of sidewall and bottom thermocouples in locations on the bushing so that electrical signals representing noise are eliminat... | 04/19/1988 |
| 4627069 | Joule melter for the processing of radioactive wastes The joule melter has an outer cylindrical electrode which forms the outer wall of the melt containment, an inner cylindrical electrode which protrudes upward in the containment and forms the outlet for the melt, thus, also determining the depth of the mel... | 12/02/1986 |
| 4624003 | Apparatus for heating electrically conductive bulk materials An apparatus for electrically heating conductive bulk materials by resistance Joule effect heating includes end and side walls defining an oven chamber having an inlet and an outlet. A plurality of pairs of generally planar electrode plates are angularly ... | 11/18/1986 |
| 4247735 | Electric heating crucible A Joule effect electric furnace for goldsmith, dental and the like melting processes comprises a graphite crucible which constitutes by itself an electric resistance element suitable for the Joule effect heating and is connected to an electric power suppl... | 01/27/1981 |
| 4046544 | Alkaline glass melting with porous cover In the art of manufacturing alkaline glasses in electric resistance furnaces, improved results are obtained by use of a porous insulating blanket formed from granulated or aggregated raw batch and by conforming the interior of the furnace to the currents ... | 09/06/1977 |
| 4029489 | Method of and apparatus for melting of glass A glass melting furnace in which glass can be heated by sources below its upper surface, as electrically by Joule effect, and by means above its upper surface, as by fossil fuel firing or by heat reflectors. A cold top melting mode is employed in the char... | 06/14/1977 |
| 3979197 | Method of operating glass melting furnace An electrically-heated, glass-melting furnace has an infrared-absorbing material located along the side walls to intercept energy from the heat source in the pool of molten glass in the furnace and thereby enable the side walls to be at a lower temperatur... | 09/07/1976 |
