Did You Know...
...that Charles Goodyear performed some of his experiments on rubber while in debtor's prison? He was there so often he referred to it as his "hotel". Chronically in debt because of poor business sense and ill health, Goodyear depended on the generosity of friends and family. Even after he unlocked the secret to vulcanizing rubber, he was unable to improve his financial situation. When he died, his estate was $200,000 in debt.
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| Number | Title | Issue Date |
| 4208573 | Kiln utilizing infrared radiation in the range of 0.7 to 1.5 μm to heat dental ceramic material A kiln for dental ceramic work comprises a retort housing and a heating means effective to generate the shortwave infrared radiation for heating dental ceramic material to the burning temperature of the ceramic mass within said retort housing. In a specif... | 06/17/1980 |
| 4186294 | Radiant therapeutic heater A therapeutic heating pad which is not hot to the touch provides substantial infrared radiation to a user. Accordingly it can be used for extended periods without feeling uncomfortable to the skin, while imparting deep therapeutic heat to the user. The he... | 01/29/1980 |
| 4179600 | Device for fusing toner on a carrier of electrostatic images A device for fusing toner on a carrier of electrostatic images, the carrier having a predetermined width and moving through a fusion zone heated by infrared radiation, the device comprising a plurality of shortwave infrared radiating means arranged above ... | 12/18/1979 |
| 4178500 | Electrically heatable household appliance The electrically heatable household appliance is assembled of a stationary lower part and a swingable upper part connected to the former by an adjustable hinge joint, each part supporting an electrically heated plate and at least one part comprising a pro... | 12/11/1979 |
| 4106083 | Reflector for use in sunlamps or the like A trough-shaped reflector for use with rod-shaped sources of ultraviolet radiation in sunlamps has a rear wall behind the source and two side walls which flank the source and define therewith two narrow gaps. The front portions of the side walls are paral... | 08/08/1978 |
| 4101759 | Semiconductor body heater A semiconductor body heater is provided with a planar array of radiant heating elements spaced from a reflector. In the preferred embodiment, each radiant heating element comprises a tungsten filament quartz lamp. Each lamp is removable and replaceable wi... | 07/18/1978 |
| 4097226 | Furnace for practising temperature gradient zone melting A furnace for practising temperature gradient zone melting on one or more semiconductor bodies comprises a closable work chamber for receiving semiconductor bodies for processing, a radiant heat source which forms a first closure member and a heat sink wh... | 06/27/1978 |
| 4079104 | Method for heating plastic articles A method are disclosed for heating thermoplastic parisons to a substantially uniform temperature across their wall thickness prior to a blow molding operation. In the method, the parisons are rotated about their longitudinal axes while being conveyed adja... | 03/14/1978 |
| 4051266 | Package for heating food in electrical appliances A multicomponent food package for heating food in electrical appliances. The package is dimensioned so that the package may be properly aligned in the appliance.... | 09/27/1977 |
| 4048917 | Continuous motion printing apparatus Apparatus for decorating cylindrical containers is provided with a curing section mounted directly thereto. The containers are held by mandrels while decorations are applied and are then removed by suction transfer spindles which carry the containers thro... | 09/20/1977 |
| 4042334 | High temperature chemical reactor A high temperature reactor comprises a tube which defines a reactor chamber; means for introducing the inert fluid into the reactor tube to provide a protective blanket for the inside surface of the tube; means for introducing reactants into the chamber, ... | 08/16/1977 |
| 4041278 | Heating apparatus for temperature gradient zone melting An apparatus for practicing temperature gradient zone melting includes a transparent tubular quartz glass work chamber for receiving a body of semiconductor material to be processed. An infrared radiation source is optically coupled to the interior of the... | 08/09/1977 |
| 4023007 | Broiler with an endless bar conveyor An electric broiler for hamburgers and the like has a supporting frame on which an endless bar conveyor is arranged to advance longitudinally with the conveyor upper run and the conveyor lower run in generally horizontal planes. A set of upper electric he... | 05/10/1977 |
| 4013892 | IR Generator having ellipsoidal and paraboloidal reflectors An infrared generator wherein an ellipsoidal reflector has a source rich in infrared radiation at one focus thereof. The end of the reflector at the other focus merges with a paraboloidal reflector positioned so that the focus of the latter reflector coin... | 03/22/1977 |
| 4001047 | Temperature gradient zone melting utilizing infrared radiation Disclosed is a method for selectively doping semiconductor materials utilizing temperature gradient zone melting. The required temperature gradient is provided by infrared radiation impinging on and heating one surface of a body of semiconductor material ... | 01/04/1977 |
| 3995934 | Flexible light guide A flexible light guide of the liquid filled type is provided with a liquid supply container outside the light guide.... | 12/07/1976 |
| 3987275 | Glass plate surface heating unit with sheathed heater A flat plate surface heating unit with a glass-ceramic utensil-supporting cover plate and a metal-sheathed heating element in direct contact with the underside of the cover plate. The heating element is supported on an open framework of low thermal mass. ... | 10/19/1976 |
| 3980863 | Electrophotographic copying machines Apparatus for fixing electrophotographic images produced by an electrophotographic copying machine, comprising a conveyor belt for transporting image bearing sheets on its upper run and a planar heater which extends substantially parallel to the upper run... | 09/14/1976 |
| 3953100 | Infrared lamp holder A holder for infrared heat source lamps and particularly a holder comprising a block structure having entry sections on both sides separated by a wall. The separating walls provide an entry section oversized and otherwise notched to dissipate heat. A port... | 04/27/1976 |
| 3944807 | Infrared lamp holder A tubular infrared lamp is mounted within the confines of a reflector and includes flattened, jacketed terminal structure on each end of the tube. Each terminal end extends through appropriately sized apertures in the opposed end walls of the reflector wi... | 03/16/1976 |
| 3943324 | Apparatus for forming refractory tubing Refractory tubings approaching theoretical density, either in polycrystalline or single crystal form, are made by moving a preformed tubing of a refractory material and a heated zone relative to each other, the heating zone providing sufficient heat to me... | 03/09/1976 |
| 3933434 | High temperature chemical reactor A high temperature reactor comprises a tube which defines a reactor chamber; means for introducing the inert fluid into the reactor tube to provide a protective blanket for the inside surface of the tube; means for introducing reactants into the chamber, ... | 01/20/1976 |
