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| Number | Title | Issue Date |
| 6985651 | Thermal actuator with offset beam segment neutral axes and an optical waveguide switch including the same A thermal actuator comprises a substantially straight beam. The beam has a beam length and a beam mid-point. The beam comprises a plurality of beam segments with beam segment lengths. Each beam segment has a beam segment neutral axis, thus forming a corresponding pl... | 01/10/2006 |
| 6985650 | Thermal actuator and an optical waveguide switch including the same A thermal actuator comprises a substantially straight beam. The beam has a beam length and a beam mid-point. The beam comprises a plurality of beam segments. Each beam segment has a beam segment width, the beam thus forming a corresponding plurality of beam segment ... | 01/10/2006 |
| 6983088 | Thermal actuator and an optical waveguide switch including the same A thermal actuator comprises a plurality of substantially straight and parallel beams arranged to form a beam array. The midpoint of each beam is attached or coupled to an orthogonal coupling beam. Each array beam has a beam heating parameter with a corresponding be... | 01/03/2006 |
| 6307461 | Spring load reduction thermostat A temperature responsive switch includes a housing, electrical contacts, an actuator arm, a rotatable shaft, and a cam assembly to open and close an electrical power circuit in response to environmental conditions. The cam assembly includes a cam and a ca... | 10/23/2001 |
| 6278619 | Circuit breaker for low voltage alternating electric installation The invention concerns a disconnecting appliance, such as a switch, a fuse-disconnecting switch or breaker-reversing switch, having a novel arrangement of fixed and moving contacts promoting contact surface self-cleaning and increasing contact force for t... | 08/21/2001 |
| 5877670 | Heat motor operated load regulating switch assembly and knob attachment therefor A user adjustable switching controller for duty cycle regulating flow of current to an electrical load such as a resistance heater, particularly for cooking appliances. A load current switch, when closed by a user operated cam also energizes a heat motor ... | 03/02/1999 |
| 4549159 | Thermostat control apparatus Apparatus for controlling a water heater thermostat for increased efficiency in fuel usage. A mounting bracket is adapted to fit on several different common types of thermostat control boxes. In one embodiment the bracket removably receives a controller h... | 10/22/1985 |
| 4549160 | Thermostat control apparatus Apparatus for controlling a water heater thermostat for increased efficiency in fuel usage. A mounting bracket is adapted to fit on several different common types of thermostat control boxes and to removably receive a controller housing. A motor in the ho... | 10/22/1985 |
| 4529121 | Apparatus for actuating the temperature setting means of a water heater An apparatus for actuating the temperature setting means of a water heater is provided with a drive motor (2) adapted to move the temperature setting means from a low to a high temperature setting and vice versa. The drive motor (2) is connected to a powe... | 07/16/1985 |
| 4388605 | Defrost thermostat used in a reversible refrigerating cycle for heat pumps A defrost thermostat provided with a timer driven cam mechanism for preventing repetition of defrosting operation shortly after the completion thereof which is apt to be caused due to the temperature lowering of the external unit acting as an evaporator d... | 06/14/1983 |
| 4334576 | Thermostat control A thermostat control for a heat pump thermostat allows the heat pump to change its temperature setting automatically and systematically minimizing the use of resistive heating with the heat pump as a backup to accomplish the temperature change. A cam havi... | 06/15/1982 |
| 4248375 | Clock thermostat apparatus having means for reducing the setback temperature when the normal temperature selection is turned down A clock thermostat apparatus adapted for controlling temperature conditioning apparatus maintains a normal control temperature in a space and during certain selected time periods deviating from the normal temperature control by resetting the normal temper... | 02/03/1981 |
| 4223291 | Convertible set-back selector clip There is disclosed a timer mechanism having a driven clock dial with a mechanism for sequential operational modes activated by arms which are adjustably fixedly carried on the clock dial. The invention comprises a bracket fixedly carried on the clock dial... | 09/16/1980 |
| 4129847 | Cut-back thermostat construction A cut-back thermostat construction having a thermostat arrangement and a timer carried by a housing in such a manner that the timer will cut back the temperature setting of the thermostat arrangement by moving an electrical switch of the thermostat arrang... | 12/12/1978 |
| 4119936 | Thermostat controller A timer controlled heat emission device for modifying the operation of a wall mounted thermostat includes a housing slidably mounted on the wall adjacent the thermostat, an electrical heating element disposed in the housing in heat emission relation with ... | 10/10/1978 |
| 4079347 | Control device A control device adapted to select a set-point temperature for a condition responsive device. The control device has temperature selecting means rotatable through a preselected temperature range generally between a pair of opposite rotated positions, and ... | 03/14/1978 |
| 4045760 | Cut-back thermostat construction A cut-back thermostat construction having a thermostat arrangement and a timer carried by a frame in such a manner that the timer will cut back the temperature setting of the thermostat arrangement by moving an electrical switch unit of the thermostat arr... | 08/30/1977 |
