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| Number | Title | Issue Date |
| 7324876 | System for remotely controlling energy distribution at local sites A power management system and associated method includes provision of local wireless energy control units at remote sites for controlling power delivery to customer loads, and a central station with a wireless transmitter for broadcasting commands to the wireless en... | 01/29/2008 |
| 7265652 | Controllable electronic switch A controllable electronic switch for, e.g., controlling power distribution comprises a deformable member such as a bimetal arm that can be deformed to break an electrical path. The deformable member may be anchored at one end and in controllable contact with an elec... | 09/04/2007 |
| 7230516 | Circuit breaker A circuit breaker includes a body having a neck member integrally connected thereto. A flange extends from an inner periphery of the neck member and a recess is defined in an inner periphery of the flange. Two terminals are connected to the body and a bi-metallic pl... | 06/12/2007 |
| 7021963 | Electrical contact Disclosed is a substantially tubular socket contact. In one aspect, the electrical contact has a longitudinal axis and includes a substantially tubular, hollow body having a first end and a second end. The first end contains a bounded aperture. The body has at least... | 04/04/2006 |
| 6910342 | High temperature limit thermostat with manual lockout safety A manual reset high temperature limit thermostat is provided. The manual reset lockout feature is provided by a lock rod that is outwardly transitioned upon actuation of the thermostat when the sensed temperature reaches its high level limit. A manual reset reset sl... | 06/28/2005 |
| 6703917 | Resettable fuse/circuit interrupter with visual fault indication A circuit interrupter device protects a load circuit from excessive, or overloading levels of current, provides a visual indication of circuit overload and open circuit, and can be reset. A multi-metallic heat reactive strip is snapped by an overload curr... | 03/09/2004 |
| 5929742 | Trip-free, manual reset thermostat A thermostat includes a housing having a cavity formed therein, a temperature responsive bimetallic disc located in the housing, a stationary contact member which is electrically interconnected to a first terminal external to the housing, and a movable co... | 07/27/1999 |
| 5854585 | Manual reset electrical equipment protector apparatus A manual reset electrical protector (10, 10') has a reset assembly (26, 26') having a guideway (28a, 28a') and track (28c, 28c') in which a slide member (30, 34, 34') is movable between a protracted position interrupting the movement of a movable electric... | 12/29/1998 |
| 5781097 | Dual calibration thermostatic switch having a wide operating range A thermostatic switch that utilizes a snap acting bimetal blade that deforms at an actuation temperature and returns to an undeformed state at a reset temperature. Actuation and reset projections, preferably in the form of dimples, are provided to calibra... | 07/14/1998 |
| 5685481 | Trip-free high limit control A trip-free high limit control for a water heater having a source of heat to heat the water. A switch arm is mounted in a control housing for movement in the housing. The switch arm has a first contact portion at one end thereof. A second stationary conta... | 11/11/1997 |
| 4703301 | Thermally-controlled electrical switching element, particularly temperature regulator or temperature limiter A thermically controlled electrical switching element which is in the form of a temperature regulator or a temperature limiter. On a socket are arranged, in parallel orientation, a bimetallic spring plate, and a steel plate deflectable to both sides. The ... | 10/27/1987 |
| 4646054 | Thermal switch A thermal switch for breaking an electrical circuit to prevent overheating s described. The thermal switch includes a bimetallic thermocouple in the form of a snap disc and a leaf spring. The leaf spring supports an electrical contact. When the leaf spring... | 02/24/1987 |
| 4528540 | Thermostat A thermostat comprising a bimetal switch element reacting at selected temperatures which on one of its ends is fastened on a frame and on the other end is provided with an electric contact adapted to engage a fixed contact provided on the frame, said fram... | 07/09/1985 |
| 4523173 | Electric switches A thermally-responsive electric switch has a manually-releasable latching arrangement which makes use of a latching member (6) comprising an L-shaped or bellcrank lever having an integrally formed part (11) which constitutes a release member and connects ... | 06/11/1985 |
| 4486735 | Latch for a snap-action switch An electrical switch comprises a snap-acting actuator blade movable with a snap action between two configurations to control the making and breaking of electrical contacts and a latching mechanism which, when the actuator blade has snap-acted in one sense... | 12/04/1984 |
| 4403206 | Balanced switch for thermostats or the like A condition-sensing switching device is disclosed having a plurality of active switch elements which are not symmetrical with the line of action of the condition-sensing actuator. A dummy element is provided to establish symmetry and produce a balanced co... | 09/06/1983 |
| 4387358 | Side mounted blown fuse indicator An electric fuse is provided with a blown fuse indicator mounted on a lateral wall of the fuse. One of the end terminals of the fuse is provided with a first opening therein in a surface which faces the interior of the fuse casing. The same end terminal i... | 06/07/1983 |
| 4218670 | Thermostatic circuit breaker A thermostatic circuit breaker includes a movable contact which is movable in response to thermal transformation of a thermostatic disk. In order to easily support the movable contact, the movable contact is secured to an offset spring of electrically-con... | 08/19/1980 |
| 4117443 | Electric temperature protection switch An electric temperature protection switch is provided which has at least two encapsulated contacts in a housing and a current transmission member controlled by a temperature sensing bimetal snap plate. A manual push button device, biased by the force of a... | 09/26/1978 |
| 4059817 | Temperature sensitive switch with separate bimetal and heat transfer means A temperature sensitive switch having a switch housing containing switch contacts and electrical leads, an arched bimetal disc, whose dome height changes under temperature influence, a guiding disc with a centrally located and freely moveable transfer pin... | 11/22/1977 |
| 3984735 | Thermally responsive control for a vacuum cleaner motor A control unit for an electric motor in a vacuum cleaner which stops the motor when the motor temperature exceeds a certain level. The control unit is utilized with a vacuum cleaner having a low voltage circuit for controlling the motor speed and is simpl... | 10/05/1976 |
