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Actor Marlon Brando has four patents, all named "Drumhead tensioning device and method."
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| Number | Title | Issue Date |
| 5111008 | Effective arc stack/efficient contact carrier A circuit breaker (51) includes an arc stack of metal plates (52), each of which is disposed parallel to the movement of the contact arm (12), whereby lug strikes which may pass through the vent holes (32) in the housing (16) to the lug (18) are avoided. ... | 05/05/1992 |
| 5101186 | Circuit breaker utilizing deformable section blade An improved low-cost circuit breaker mechanism is provided which dispenses with the complicated and costly conventional use of latch mechanisms for realizing the tripping action. The circuit breaker mechanism essentially comprises an input electrical term... | 03/31/1992 |
| 5097589 | Method of manufacturing a circuit breaker A method of manufacturing a circuit breaker comprises the steps of preassembling the movable parts of the circuit breaker between a pair of frame members and providing a housing that is configured for supporting the unitary breaker assembly without attach... | 03/24/1992 |
| 5095398 | Electrical circuit breaker protection device An equipment protection device for a multi pole circuit breaker includes a trip coil, having a plunger with a tang, in an adapter housing that is attached to the breaker housing for tripping the breaker load contacts by means of the tang. The tang extends... | 03/10/1992 |
| 5089928 | Processor controlled circuit breaker trip system having reliable status display A fault-powered, processor-based circuit breaker tripping system employs a reliable low power trip indicator circuit that is normally powered from the tripping system. A liquid crystal display is used to indicate the status of the system, and a battery is... | 02/18/1992 |
| 5089796 | Earth leakage trip indicator A residual current circuit breaker 1 has a partition wall 3 which separates an over-current protection device 4 from a residual current detection circuit 5. A plunger rod 24 extends through a bore 23 in the armature 21 of a coil 20 and is moved independen... | 02/18/1992 |
| 5083103 | Energy management accessory for circuit breaker A circuit breaker control system includes a motor driven fork assembly, activated from a remote location, for simultaneously opening all of the breaker load contacts and locking them in an open condition. A DC voltage is selectively applied to energize th... | 01/21/1992 |
| 5075657 | Unitary breaker assembly for a circuit breaker An assembly frame having first and second frame plates secures the movable parts of a breaker assembly together for ready assembly of the breaker assembly in a housing. A pivot pin supports the trip lever between the frame plates. The movable contact carr... | 12/24/1991 |
| 5072328 | Power control relay for electrical outlets which maintains position in absence of solenoid energization A power control relay has a pair of solenoids one of which is briefly energized to open a pair of contacts and the other is opened briefly to close the contacts. A mechanical linkage maintains the contacts in their closed and open positions in the absence... | 12/10/1991 |
| 5072071 | Wire clamp assembly for an electrical load center An electrical distribution load center consists of a non-conductive enclosure and a circuit breaker bus bar support panel that are interconnected by interlock members that can be snap-fitted to secure the two panels to each other. The support panel also h... | 12/10/1991 |
| 5064384 | Jumper assembly for multiple breaker application A wire-jumper assembly including an electrically insulating base having an insulating layer. A first conductor plate is positioned below said insulating layer, and a second conductor plate is positioned on top of said insulating layer. The conductor plate... | 11/12/1991 |
| 5005880 | Self-sealing snap-in receptacle, especially for circuit breaker cover retention A receptacle is provided which snaps into and seals an opening in a circuit breaker case. A pair of opposed, resilient tabs hold the receptacle within the opening, and substantially prevent withdrawal of the receptacle from the opening. A pair of resilien... | 04/09/1991 |
| 4992723 | Fault-powered power supply An improved power supply is provided for circuit breaker applications and draws power from the power lines which the associated circuit breaker protects. The alternating current on the power lines is sensed by a current transformer and rectified by a full... | 02/12/1991 |
| 4965694 | Remote controlled circuit breaker system A common power supply (20) is often used to provide power for actuating a plurality of circuit breakers (18a-18z) in response to actuation signals from remote control lines (16a-16z). But a large and expensive power supply (20) must be used to deliver eno... | 10/23/1990 |
| 4963848 | Non-jamming magnetic trip structure A fastenerless electromagnetic trip assembly employs minimal parts for effecting the release of a set of circuit breaker contacts. The parts include an armature, an armature bias spring, a yoke and a trip bar, all of which may be retractably supported in ... | 10/16/1990 |
| 4964058 | Power management and automation system An automation and energy management system includes an automation panel box which may be positioned adjacent to a circuit breaker panel box. The automation panel box includes one or more circuit breaker control modules, one or more device control modules ... | 10/16/1990 |
| 4958047 | Monument fitting A monument fitting for use with an electrical raceway system to be placed in a floor provides for alternative selection of top or side access. The monument fitting provides openings permitting either top or side access, and an electrical outlet placed in ... | 09/18/1990 |
