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...During the Civil War, the Confederacy established its own Patent Office which issued 266 patents, a third of which concerned implements of war.
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| Number | Title | Issue Date |
| 7932483 | Household appliance with an electric control system and an accessory part The invention relates to a household appliance with an electric control system (20), which is connected to an accessory part (12) for the household appliance in a signal-transmitting fashion, wherein the accessory part (12) can be moved back and... | 04/26/2011 |
| 7381933 | System and probe for detecting at least one parameter A probe for detecting at least one parameter during thermal treatment of a food product comprises a sensor arrangement suitable for detecting a value of said at least one parameter, at least one antenna for communicating said value to a control device for controllin... | 06/03/2008 |
| 7193179 | Channeled under floor heating element A channeled under floor heating element incorporating channeled areas for accepting heat and sensor wires. The inventive channeled under floor heating element includes an arrangement of seam structures defining channels housing substantially discrete elongate heatin... | 03/20/2007 |
| 7180032 | Channeled warming mattress and mattress pad A warming mattress and mattress pad incorporating channeled areas for accepting heat and sensor wires. The inventive mattress and mattress pad includes an arrangement of seam structures defining channels housing substantially discrete elongate heating and sensing el... | 02/20/2007 |
| 7038170 | Channeled warming blanket A warming blanket incorporating channeled areas for accepting heat and sensor wires. The inventive blanket includes an arrangement of seam structures defining channels housing substantially discrete elongate heating and sensing elements arranged in a substantially s... | 05/02/2006 |
| 7038169 | Electric heater for the coupling head of a central buffer coupling The invention relates to a heater for an electric central buffer coupling in which at least one heating element (3) is placed in a recess of the coupling head (1) and is covered toward the outside. To improve the transfer of heat from the heating eleme... | 05/02/2006 |
| 5624593 | Yarn advancing heated godet having temperature controlling sensors Described is a godet (2) for guiding and advancing endless filament yarns, which comprises one or several heating zones along its casing (3), the heat that is applied by the heating elements (7-10) to the godet casing (3) being scanned by a multiple tempe... | 04/29/1997 |
| 5315240 | Thermal control system for a semi-conductor burn-in A temperature controller to accurately control the temperature of a device under test (DUT) a heat exchanger in heat exchange relationship with the DUT. A temperature sensor is received within the heat exchange device and thermally isolated therefrom. Thi... | 05/24/1994 |
| 5151574 | Electric soldering iron with plug-in tip temperature sensor An electric soldering iron has a barrel connected to a handle a one end and provided with an electric heating element for heating a tip at its other end. A detachable temperature sensor unit is located within the barrel and includes a tubular housing havi... | 09/29/1992 |
| 5073688 | Body temperature responsive transport warming blanket An infant warming blanket is servo controlled by a skin contact temperature sensor being taped to the abdominal skin of the infant. Through use of the blanket it is possible to maintain a constant body temperature. Access to localized areas of the body is... | 12/17/1991 |
| 5045658 | Magnetron with temperature probe isolation An arrangement provides for the electrical grounding of a temperature probe and allows its use in conjunction with a cooking appliance control circuit having a floating signal ground. An isolation transformer connects the temperature probe to the control ... | 09/03/1991 |
| 5008515 | Body temperature responsive transport warming blanket An infant warming blanket is servo controlled by a temperature probe being taped to the abdominal skin of the infant. Through use of the blanket it is possible to maintain a constant body temperature. Access to localized areas of the body is possible by r... | 04/16/1991 |
| 4812624 | Temperature sensor assembly for an automatic surface unit A temperature sensor assembly for an automatic solid disk surface unit includes a temperature sensor enclosed in a metallic hermetically sealed generally cylindrical housing. Upper and lower centrally apertured annular disks formed of a porcelain ceramic ... | 03/14/1989 |
| 4788416 | Direct wafer temperature control The temperature of a wafer in a vacuum chamber is measured by way of a tube, containing a thermocouple, extending through a wall of the chamber. The tube is sealed at one end to an aperture in the wall of the system and sealed at the other end with remova... | 11/29/1988 |
| 4645124 | Device to compensate for an external sources' thermic effects on a sensitive element in an automatic control system of the temperature reached by foods in heated vessels A device to compensate for the thermic effects of an external source on a sensitive element in a system for automatically controlling the temperature reached by foods in heated vessels. The device includes a conventional range and a potentiometer for cont... | 02/24/1987 |
| 4626643 | Heat sensor for measuring the temperature of a product heated in a microwave oven A heat sensor adapted to be brought into contact at a forward end with a product heated in a microwave oven whose temperature is to be measured comprises an elongate tubular body consisting a protective armor. This body is open at the forward end. A therm... | 12/02/1986 |
| 4503320 | Deep fat cooking temperature control system An elongated temperature-sensing probe is positioned in a deep fat cooking vessel and is positioned so that a portion of the probe extends adjacent the electric heater submerged in the deep fat adjacent the bottom of the vessel, and a portion extends upwa... | 03/05/1985 |
| 4458140 | Temperature control apparatus for convection oven An oven for cooking and/or defrosting food by recirculating heated air is provided with a temperature control means for measuring the actual internal temperature of the food and switching the oven off when the desired temperature is reached. The control i... | 07/03/1984 |
| 4449035 | Arrangement for mounting a thermistor-type temperature sensor in a metallic heating device An electric resistance heating device including a body having a metal mass and a sheathed electric heating element for heating the mass is provided with a temperature sensing thermistor designed for electronic temperature regulation. The thermistor togeth... | 05/15/1984 |
| 4377733 | Temperature-sensing probe structure for wireless temperature-sensing system A sensing element is adapted to monitor a temperature of a foodstuff placed within an oven cavity of a cooking utensil such as a microwave oven. The sensing element comprises a thermally-responsive element, an antenna, a double choke, and a trimmer conden... | 03/22/1983 |
| 4355911 | Surface temperature sensing device A temperature sensing probe device having an elongated tubular handle or arm at the end of which a probe head member is mounted in a socket to provide limited universal movement and including a small flat ring-like surface to be positioned on and assuring... | 10/26/1982 |
| 4340796 | Wireless temperature-sensing system inclusive of thermally-responsive oscillator A wireless temperature-sensing assembly adapted for a cooking apparatus such as a microwave oven, comprises a wireless communication element and a sensing probe. The wireless communication element provides electromagnetic waves over an oven cavity of the ... | 07/20/1982 |
| 4322593 | Apparatus for pre-heating resin tablet An apparatus for pre-heating resin tablets comprising a resin tablet heater, a switch for setting a reference softening degree and a softening degree detector for the resin tablet. The detector includes a pressure source and a pressure transmitting member... | 03/30/1982 |
| 4259566 | Hair waving applicance having plural independently temperature controllable electric heaters A hair waving appliance includes a head receiving and confining assembly provided with a plurality of independently controllable electric heaters for heating different hairline areas of the head received therein. A plurality of temperature sensing probes,... | 03/31/1981 |
| 4217477 | Food temperature control in a microwave oven The present invention is directed to a microwave oven which may operate in a temperature control mode, wherein the temperature of a food to be cooked is maintained between two selectable values. The food temperature is sensed by a probe adapted for insert... | 08/12/1980 |
| 4165457 | Thermostatically controlled pre-weld heater A thermostatically controlled pre-weld heater is described in which a temperature sensor is mounted, intermediate the legs of a pre-weld heater, in a position to sense accurately, and then thereby to control, the temperature of the workpiece so as to accu... | 08/21/1979 |
| 4081645 | Temperature controlled microwave oven The power supplied to the cooking cavity of a microwave oven is controlled in response to a preselected temperature of food placed therein. A temperature responsive probe is embedded in the food to be cooked, the probe including means for changing its sta... | 03/28/1978 |
