Bizarre Patents
A sealed crustless sandwich for providing a convenient sandwich without an outer crust which can be stored for long periods of time without a central filling from leaking outwardly.
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 |
| 7081596 | Arc-quenching device for circuit breakers having double-break contacts The present invention relates to an arc-quenching device for circuit breakers having double-break contacts for use in low-voltage distribution systems. Provided around a prechamber (41) is a magnetic shield (91) for the purpose of intensifying the magn... | 07/25/2006 |
| 6970059 | Slot motor including legs engaging openings of circuit breaker housing and electrical switching apparatus employing the same A circuit breaker includes a housing having first and second openings, with stationary and movable separable contacts disposed therein. An operating mechanism is disposed in the housing, is coupled to the separable contacts and is structured to move those contacts b... | 11/29/2005 |
| 5680082 | Miniature multicontact electromagnetic relay for industrial use An industrial type relay in which the armature acts upon a movable contact arrangement for shifting the same between fixed normally closed contacts on the relay head and the normally open contacts thereof. The head carries respective feed terminals which ... | 10/21/1997 |
| 5291167 | Arc extinguishing device having a focused field The present invention provides an arc extinguishing device for disposition along a pre-determined path of movement between two electrical contacts in an electrical distribution device. The device includes a generally U-shaped member having a bight portion... | 03/01/1994 |
| 4743720 | Current limiting circuit interrupter A circuit interrupter includes an arc extinction assembly for magnetically driving or blowing out an arc formed between a stationary contact and a movable contact. The assembly comprises a pair of coaxial windings which are disposed in proximity to the co... | 05/10/1988 |
| 4454395 | Circuit breaker A circuit breaker having means for quickly opening a pair of contacts, a U-shaped flux board which surrounds the conductors that have contacts attached to the end portions thereof, so that the electromagnetic repulsive force produced by the electric curre... | 06/12/1984 |
| 4376271 | Polarized DC contactors Means for causing the properly-polarized one of a pair of series-connected DC contactors to open before the other, depending upon the direction of load current flow. Load current is caused to link the magnetic circuit constituted by a contactor coil, fram... | 03/08/1983 |
| 4007346 | Encapsulated switching installation Encapsulated switching installation with a substantially cylindrical tank which is insulatingly sealed at both ends and a switching device accommodated within the tank, which by means of contacts can be connected to the conductor of throughpassages secure... | 02/08/1977 |
