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 |
| 6499994 | Heating apparatus in reflow system To save a space for heating remarkably than that of a conventional case, to apply main heating at a high temperature only to portions of chips to be soldered and to perform heating operation in a short period of time, a heating apparatus is composed of a ... | 12/31/2002 |
| 6390811 | High-temperature and high-pressure treatment device To provide a high-temperature and high-pressure treatment device in which articles to be treated such as wafers of LSI semiconductors can be transported in a stable attitude, and the entire apparatus is made compact. A high-temperature and high-pressure t... | 05/21/2002 |
| 6210156 | Heat treatment material handling unit A method and apparatus for sequentially heat treating small parts processes the parts individually through a heat treatment process at a predetermined rate, so that each part is heat treated for a predetermined time and all parts are heat treated equally.... | 04/03/2001 |
| 5990450 | Rotary conveyor A rotary conveyor comprising an annular array of a plurality of circumferentially spaced work piece support members for receiving a corresponding plurality of work pieces. They conveyor further include a first drive ring coaxially associated with the arra... | 11/23/1999 |
| 5472343 | Kiln for the production of ceramic products and process for the operation of the kiln A kiln or oven for producing ceramic products is described having a combustion chamber through which the ceramic products continuously pass, as well as a process for the operation and control of the kiln and the ceramic products perform a rotation about t... | 12/05/1995 |
| 4823480 | Semiconductor heat-treating apparatus A semiconductor heat-treating apparatus comprising a heat treatment furnace main, gas discharging means surrounding the port for carrying semiconductors into or out of said furnace main therethrough, an internal cylindrical partition of said gas dischargi... | 04/25/1989 |
| 4717339 | Curing oven The present invention provides a high efficiency, non-polluting curing oven, having an internal curing chamber comprising forward and rearward regions, bottom located forward and rearward access openings to and from the forward and rearward regions, a plu... | 01/05/1988 |
| 4506455 | Loading equipment for lyophilization apparatus The equipment comprises in a lyophilization autoclave an auxiliary inspection door formed in the lower region of the lyophilization chamber main door and effective to allow full view of, and access to, the product carrying plate pack at the bottom of the ... | 03/26/1985 |
| 4480990 | Article support rack and methods of weighting down articles An article support rack (10) has at least one article support (12), such as a shelf, which is horizontally slidable in a first frame (18). A second frame (29) is mounted for vertical movement relative to the first frame (18). At least one weight (26) is s... | 11/06/1984 |
| 4431404 | Method and apparatus for heating plastic sheet material Apparatus is disclosed for heating a plurality of sheets of plastic material between adjacent ones of a plurality of vertically stacked and individually heated platens. The platens are vertically displaceable together and relative to one another, and any ... | 02/14/1984 |
| 4424026 | Equipment for manufacturing gas-filled discharge tubes for use as transient protection A furnace system adapted to perform various manufacturing phases in the production of gas-filled discharge tubes designed as transient protectors includes at least two vertically spaced treatment tube sections separated from each other by a sealing tube. ... | 01/03/1984 |
| 4261110 | Vertical continuous feed timber kiln A method and apparatus for drying timber stacked in a vertical kiln in spaced apart layers. The timber being continuously moved from the top to the bottom of the stack to be passed through various stages of treatment including a drying in which the timber... | 04/14/1981 |
