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| Number | Title | Issue Date |
| 7396182 | Non-explosive device for releasably securing components An arrangement for releasably securing or connecting together at least two components includes a securing element that interconnects the components and that can be melted, thermally decomposed or otherwise separated by applying heat thereto. The securing element is ... | 07/08/2008 |
| 7245471 | Discharge device for inductive devices A method and apparatus for protecting an energized inductive device such as an electromagnet from an open circuit, i.e., the loss of the power source for the inductive device. A diode is connected across terminals of the inductive device such that when the inductive... | 07/17/2007 |
| 4942382 | Electrical switch mechanism having two release modes A normally closed electrical switch mechanism having fixed and movable switch assemblies, a spring assembly urging the movable switch assembly away from engagement with the fixed switch assembly to thereby open the switch, a latch member normally securing... | 07/17/1990 |
| 4806898 | Polyphase interrupter responsive to single phase fault A polyphase interrupter includes an electric fuse in series with each phase, a phase grounding conductor electrically connected with each phase and movably mounted adjacent and electrically connected with a terminal of each fuse, biasing means arranged to... | 02/21/1989 |
| 4392118 | Thermal overload relay having a N.O. or N.C. contact unit selectively addable in the field A thermal overload relay for a three-phase power supply circuit having an auxiliary normally open (N.O.) or a normally closed (N.C.) contact unit (FIG. 5, FIG. 6) selectively addable in the field. The relay is provided with the standard normally closed co... | 07/05/1983 |
