Quotables
"Everyone acquainted with the subject will recognize it as a conspicuous failure."
Henry Morton, president of the Stevens Institute of Technology ; Said in 1880 about the light bulb
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7362553 | Arc fault circuit interrupter and method for inhibiting series arc protection based on dimmer phase angle An arc fault circuit breaker includes line and load terminals, separable contacts electrically connected between the terminals, a current sensor adapted to sense current associated with a load and flowing between the terminals and through the separable contacts. An ... | 04/22/2008 |
| 6999289 | Arc fault circuit interrupter which detects the cessation of arcs of an arc fault An arc fault circuit interrupter which protects an AC circuit subjected to a possible arcing fault includes a sensor which produces a signal that can be evaluated to see if it is associated with arc fault current. The evaluation is done by a discrimination circuit w... | 02/14/2006 |
| 6595111 | Electric toaster In an electric toaster, a power switch unit is switched by a actuator provided on a support seat, which is movable together with a carriage, from an OFF-mode, where power to an electric heating unit is cut-off, to an ON-mode, where power is supplied to th... | 07/22/2003 |
| 6481341 | Anti-burn toaster A toaster mechanism includes a base, a carriage movable relative to the base and including a hook and a switch bar, a first switch associated with heating elements of the toaster and supported by the base and being activated by the switch bar, a timer-dea... | 11/19/2002 |
| 6350970 | Appliance switching mechanism and method A switching mechanism is utilized in a heating appliance, such as a toaster, that includes a bread support that supports a food item to insert and remove the food item from a cooking cavity of the appliance. The appliance includes an electronic circuit th... | 02/26/2002 |
| 6198078 | Temperature control for a toaster oven A toaster broiler oven with an NTC temperature probe located within the oven chamber and a controller that controls the heater of the oven in a thermostat operation for non-toasting modes and in a variable toasting interval length operation in the toastin... | 03/06/2001 |
| 5667711 | Circuit breaker incorporating trip coil as shunt resistor in parallel with current limiting polymer A solenoid trip unit is electrically connected in parallel with a current limiting polymer element in series with circuit breaker contacts to function as a shunt resistance for the polymer element, becoming energized by transition of the polymer element t... | 09/16/1997 |
| 5414243 | Electric toasting machines with variable timing circuit A toasting machine comprising heating elements, an on/off switch for initiating a toasting cycle, a toast colour selection knob for setting a selected time period for a toasting cycle, a timing circuit arranged to measure the elapsed time since a previous... | 05/09/1995 |
| 5097751 | Device for supporting the mechanical and electrical control members of a toaster an toaster comprising such a device The device is intended to support the mechanical and electrical members of a toaster (1). The device consists of a plate (2) in plastic material comprising protuberances or tongues (3, 4, 5, 6) molded in the plastic material and projecting on one of the f... | 03/24/1992 |
| 5094154 | Electric toaster with time delay mechanism An electric toaster includes a housing having at least one heating element mounted therein. A source of electric power is selectively connected to the heating element for energization thereof. A carriage is mounted in the housing for supporting a food pro... | 03/10/1992 |
| 4518849 | Electronic toaster timer with preceding off-time temperature control compensation The duration of the timing cycle of a selector adjusted timer controlling intermittant operation of a heating element in an electrical appliance, is reduced as an inverse function of the duration of a preceding off-time interval. A manually operable switc... | 05/21/1985 |
| 4395621 | Timing control apparatus and circuit A timing control apparatus and circuit for use in a toaster or other device, such as an oven, includes electronic solid-state circuitry including a thermistor operating in conjunction with a metal oxide semiconducter (CMOS) wherein when the predetermined ... | 07/26/1983 |
| 4376243 | Arc detector for electric rod furnace A current shunt in the power supply to an electric furnace generates a signal voltage proportional to furnace current. A voltage rate comparator senses a high change rate of signal level corresponding to arcs occurring in the furnace and the comparator ou... | 03/08/1983 |
| 4258678 | Control apparatus for glow plugs provided for a diesel engine Control apparatus for glow plugs provided for a diesel engine having a control circuit arrangment for controlling the supply of an electric current from a battery to the glow plugs in response to the temperature condition of the diesel engine. When the en... | 03/31/1981 |
| 4238672 | Temperature control circuitry A temperature control circuit particularly for use with a graphite tube atomizer of an atomic absorption spectrometer provides rapid temperature rise and a leveling at a constant predetermined temperature. A.C. power applied through a transformer to elect... | 12/09/1980 |
| 4103661 | Diesel engine starting systems A control circuit for a diesel engine starting system including an air intake heating starting aid and a fuel preheater, includes a first delay circuit for operating the preheater and a second delay circuit for operating an indicator. A selector switch ha... | 08/01/1978 |
| 3956978 | Electric toasters An electric toaster in which a toast support bar is held down by an energized electric magnet so as to maintain bread, on the support bar, alongside electric heating elements. When the bread has been toasted to the desired degree, the electromagnet is de-... | 05/18/1976 |
