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| Number | Title | Issue Date |
| 7362208 | Thermal pellet type thermal fuse In order to prevent erroneous operation caused by shrinking of a thermal pellet due to sublimation or softening of the thermal pellet when current is applied, a thermal pellet type thermal fuse includes a metal casing, a first lead and a second lead leading out from... | 04/22/2008 |
| 6404321 | Actuator An actuator for a device such as a valve controlling coolant for an automotive engine. The actuator has a base body on which is supported an electrically heatable thermostatic operating element having an operating piston that moves a motion transfer membe... | 06/11/2002 |
| 5796327 | Thermally responsive electrical switches A thermally-responsive current-sensitive switch having a molded plastic body containing first and second terminals in the form of metal stampings and having an internal chamber wherein a leaf spring and a snap-acting bimetallic blade of the same shape are... | 08/18/1998 |
| 5396213 | Control device, parts therefor and methods of making the same A control device, parts therefor and methods of making the same are provided, the control device having a temperature sensing unit comprising a rod and tube means utilizing a heat expandable and contractible polymeric member disposed between one end of th... | 03/07/1995 |
| 4718498 | Automatic trigger mechanism for portable fire extinguishers A flame sensing device is connected to complete a circuit to supply current to an electromagnet to release fire extinguishing fluid to extinguish the flames. The flame sensing device includes a first spring which extends when heated, and a second spring i... | 01/12/1988 |
| 4555688 | Thermostat for cooking utensil A thermostat for a cooking utensil having a radiation heating body is constructed of an electrical switch actuated by a push rod. The rod extends away from the switch and expands in response to increasing temperature. The rod is held by spring loading wit... | 11/26/1985 |
| 3959691 | Motor protector The disclosure relates to a manual reset motor protector device having an arm of a nickel-titanium metal alloy or the like supporting an electrical contact and having a spring arm supporting a second electrical contact, both of these arms being mounted on... | 05/25/1976 |
