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"Flight by machines heavier than air is unpractical and insignificant, if not utterly impossible."
Simon Newcomb, astronomer ; Said in 1902, less than two years before the first flight at Kitty Hawk
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| Number | Title | Issue Date |
| 7284980 | Continuous firing furnace, manufacturing method of porous ceramic member using the same, porous ceramic member, and ceramic honeycomb filter A continuous firing furnace of the present invention comprises: a muffle formed into a cylindrical shape so as to ensure a predetermined space; a plurality of heat generators placed at the peripheral direction from the muffle; and a heat insulating layer formed in a... | 10/23/2007 |
| 6129256 | Reflow furnace for an electronic assembly The invention provides a reflow furnace for an electronic assembly. The electronic assembly comprises a printed circuit board and a device on the printed circuit board. The printed circuit board has solder at a first area near the device and a metallic su... | 10/10/2000 |
| 5605454 | Four port tube to extend the life of quartz tubes used for the well drive process A quartz tube with multiple thermocouple ports arranged along its radius allows for the quartz tube to be rotated while the thermocouple is always placed in the bottom position of the quartz tube. This avoids a problem of the sagging of the quartz tube. W... | 02/25/1997 |
| 4588377 | Thermocouple probe assembly A thermocouple probe assembly for a billet furnace is provided with replaceable contact tips joined to the shanks of the probe rods within a surrounding insulator to inhibit oxidation of the junctions. Two pairs of probes are used, each pair being associa... | 05/13/1986 |
| 4533319 | Method of and apparatus for monitoring a rotary kiln assembly A problem that can occur with a large rotary kiln assembly is that it can move out of position or seals can become defective, making an escape of materials possible. The present invention provides transducers (10, 15) for detecting movement of the rotary ... | 08/06/1985 |
| 4487575 | Method and apparatus for monitoring rotary drums during thermal processing A method and apparatus for monitoring the operation of a rotary drum such as a rotary kiln while engaged in thermal processing of fine grained materials such as cement which involves measuring the temperature distribution existing instantaneously during s... | 12/11/1984 |
| 4391584 | Non-contact infrared fabric temperature monitoring The temperature of an open textile web is monitored by a sensing unit including an infrared pyrometer. The pyrometer is disposed at a viewing angle between about 5°-25° with respect to the horizontal. A housing mounts the pyrometer, a fan, a filter bag ... | 07/05/1983 |
| 4070148 | Apparatus for monitoring product temperature in an open ended, secondary emission, product carrying conveyor furnace Apparatus for monitoring the product temperature in an open ended furnace of the secondary emission type, the furnace having a plurality of serially arranged heating zones therein and including a conveyor which passes through the muffle of the furnace for... | 01/24/1978 |
| 4060377 | Temperature monitoring furnace Apparatus for monitoring product temperature in a furnace, the furnace being of the open ended and secondary emission type, and having a plurality of serially arranged heating zones therein, each of the zones being adjustably heated. The furnace includes ... | 11/29/1977 |
