Celebrity Inventors
Actor Marlon Brando has four patents, all named "Drumhead tensioning device and method."
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| Number | Title | Issue Date |
| 7121855 | Modularized switch connector A modularized switch connector having a shovel shaped insulating housing formed integrally, the housing is shaped in matching with the shape and contour surrounding a first and a second electrically connecting pin as well as a grounding electrically connecting pin o... | 10/17/2006 |
| 7051547 | Air conditioning system for a motor vehicle The invention relates to an air conditioning system for motor vehicles, which contains a connection piece for a pressure switch/pressure sensor, said connection piece being suitable for evacuating and filling the air conditioning system after the removal of the pres... | 05/30/2006 |
| 7038151 | Damped pressure switch The pressure switch, constituted by a cylindrical body, comprises two portions which are interconnected; also, a first of the portions is connected to a micro-switch and the second to an inlet for pressurise fluid delivery. A stem is housed inside the cylindrical bo... | 05/02/2006 |
| 6528748 | In-line flow switch assembly including magnetic sensitive plunger and microswitch actuator A flow switch for a high pressure washing system or other flow-related system is disclosed. The flow switch switches from an open to a closed position in the presence of adequate flow in a water or other fluid-carrying pipe. The flow switch includes a hou... | 03/04/2003 |
| 6419456 | Switch for controlling the motor of a piston pump A fluid pump having a motor operably coupled to a pump assembly, the motor and pump assembly acting cooperatively to pressurize a fluid includes a pressure switch being in communication with the fluid under pressure and being in communication with the mot... | 07/16/2002 |
| 6414254 | Electrical pressure sensing switch An electrical pressure sensing switch for a pressure cooker comprises a plunger slidably and sealingly mounted in a lid of a cooking vessel. The plunger is moved towards one end of a pivoted lever when pressure rises inside the vessel. The other end of th... | 07/02/2002 |
| 5725364 | Pressure control module Paint spraying equipment having an electric motor, gear reducer and fluid section for pressurizing paint and a pressure control module utilizing a combined fluid manifold and pressure control component mounting frame formed of a single die casting and inc... | 03/10/1998 |
| 5292232 | Liquid pump pressure control system A self-contained liquid manifold attachable to a drive mechanism for a reciprocable pump, the manifold having a pumping cylinder, pressure transducer, pressure control mechanism, drain valve and control mechanism attached thereto, and liquid delivery outl... | 03/08/1994 |
| 5243158 | Fluid operated pressure switch for controlling a switching element A pressure switch for controlling a switching element includes a spring-loaded piston operatively connected to the switching element and acted upon by a pressure fluid. A diaphragm separates the piston from the pressure fluid for providing a leaktight clo... | 09/07/1993 |
| 5155310 | Pressure switch assembly The present invention provides a pressure switch assembly for monitoring a source of fluid pressure. In one embodiment, the pressure switch assembly senses a variation of fluid pressure for actuation of a micro-switch to open or close an electric circuit.... | 10/13/1992 |
| 5140113 | Differential pressure control switch with a pivoting actuating lever and a biasing spring sealed in a housing A differential pressure control provides a housing having a pair of opposing inlets for accepting lines having different fluid pressures therein. The inlets are sealably connected to a central chamber having a piston by means of diaphragms. The piston is ... | 08/18/1992 |
| 5136128 | Hydraulically-piloted switch A hydraulically-piloted switch assembly includes a housing through which runs a hollow conduit that in use contains a fluid under pressure. A linear conduit portion defines a bore one end of which projects away laterally from a portion of the conduit. Sli... | 08/04/1992 |
| 5108265 | Temperature-dependent pressure switch and pressure control system using the switch The temperature-dependent pressure detection switch according to the present invention comprises a pressure receiving member to receive hydraulic pressure, on which spring force of the predetermined value is permanently applied to the direction reverse to... | 04/28/1992 |
| 5089673 | Pressure operated electrical switching device with plural lever actuated microswitches An electrical switching device includes a switch plunger which is axially displaceable within a housing and two opposing radially directed rocking levers each disposed on a sharp edge formed on the housing. When pressure is applied to the switch plunger, ... | 02/18/1992 |
| 5074467 | High volume low pressure spray painting system, method of operation and control system therefor There is provided a high volume low pressure spray painting system, control therefor, and method of operation therefor. The high volume low pressure spray painting system includes an electrically powered blower motor with a cooling fan, an high volume low... | 12/24/1991 |
| 5061832 | Field settable differential pressure switch assembly for low fluid pressure applications A differential pressure switch assembly for low pressure applications permitting accurate "in field" set pointing of same, comprising a capsulized instrument that includes housing high and low pressure sections defining in assembled relation a pressure ca... | 10/29/1991 |
| 5034583 | Electric switching device which can be controlled mechanically in an adjustable way An electric switching device for making or breaking the electric continuity between electric connecting elements under the action of an external force includes, in a single case, at least one electric switch having a control member therefor, a movable ope... | 07/23/1991 |
| 4952759 | Control device for controlling a circuit breaker The invention relates to a control device for a circuit breaker. The circuit breaker is controlled mechanically by an engagement spring (8), by a disengagement spring (2), and by a hydraulic transmission for transmitting a portion of the energy in the eng... | 08/28/1990 |
| 4947154 | Alarm device for dripping injection An alarm device for dripping injection comprising a floating barrel which vertically moves up or down according to fluid volume in the dripping liquid barrel, a touch switch and sealing means which are provided in the upper area of the lower part of dripp... | 08/07/1990 |
| 4827093 | Adjustable pressure-type switch A pressure switch has a plunger, axially displaceable by the pressure being measured, which enables a contact pin of a microswitch to be actuated. Between the plunger and the contact pin there is arranged a rocker. The microswitch is fastened to the housi... | 05/02/1989 |
| 4827095 | Differential pressure switch assembly with high static pressure use characteristics A differential pressure switch assembly that includes a conventional snap action switch for controlling the off-on modes of operation of state of the art equipment, which assembly comprises a high pressure plate that defines the high pressure cavity and a... | 05/02/1989 |
| 4803318 | Proximity switch for a cylinder A proximity switch for signaling the location of a movable member at either of opposite end limits of movement relative to a stationary frame includes a movable member, such as a piston, traveling along a fixed path of movement between a first position an... | 02/07/1989 |
| 4762969 | Remotely pressure-operable electrical switch A pressure operated switch has a bistable or multi-stable latching mechanism disposed between a bellows unit and an electrical switch. The latching mechanism has two relatively axially moveable elements which extend and contract with subsequent operations... | 08/09/1988 |
| 4755637 | Proximity switch for detecting a piston position in a pressure cylinder A proximity switch adapted to be threaded into a pressure cylinder, with the proximity switch including a sensor part insertable into a bore or opening of a cylinder wall of the pressure cylinder for detecting a position of the piston. A housing of the pr... | 07/05/1988 |
| 4755638 | Pressure operated switch for controlling an airless paint pump There is provided a hydraulic pressure operated electrical switch having a spring biased piston which is movable by the force of the hydraulic pressure of the fluid to be sensed to activate a microswitch. The pressure required to move the piston can be al... | 07/05/1988 |
| 4742194 | Device for producing an electric signal indicative of pressure in a fluid system Improvement to electro-fluid relays useable to signal either the maximum or minimum limit of pressure in a fluid system, or the position of a movable part of a jack. The relay is constituted of a pipe fitting (1,2) attached directly onto an apparatus (5) ... | 05/03/1988 |
| 4724289 | Fluid pressure switch having a spring opposing the fluid pressure A pressure switch assembly includes an electric switch which is actuated in response to a preselected pressure in a pressure line. The assembly includes an activating rod which is engageable with the electric switch. The activating is acted upon by opposi... | 02/09/1988 |
| 4692575 | Vacuum sensitive switch A switch responsive to fluctuations in the level of a vacuum. A ball is contained in an upright chamber and is normally in contact with an actuating means in the chamber. The actuating means is normally biased to one position but is shifted by the weight ... | 09/08/1987 |
| 4552999 | Time delay switch A time delay switch comprising a housing, an actuating device partially in and partially outside of the housing, a switch capable of being rendered to a first and a second state, biasing device and a compressible/expansional pneumatic device disposed in t... | 11/12/1985 |
| 4467155 | Electrical switch apparatus Input force transmitted from a monitored process variable is applied against a displaceable double beam mechanism being opposed by a dual spring bias presettable individually to the separate set points of the switch. Comprising the double beam mechanism i... | 08/21/1984 |
| 4454393 | Electrohydraulic switching device An electrohydraulic switching device adapted to supply electric control signals in dependence on pressure signals received includes a first piston adapted to be acted upon by the input pressure and spring-loaded in opposition to the input pressure, and a ... | 06/12/1984 |
| 4438305 | Fire resistant pressure switch A pressure switch device having a fire resistant welded assembly of corrosion resistant steel components exposed to the fluid medium which is being monitored. A flexible diaphragm constructed of corrosion resistant steel film is overlaid by a backing disc... | 03/20/1984 |
| 4413549 | Limit switch actuator for fluid cylinders An actuator mechanism for detecting the presence of the piston or other movable element of a fluid cylinder for reversing switch purposes and the like is disposed in the end cap of the cylinder and is engaged by the cushion spear on the piston to provide ... | 11/08/1983 |
| 4400602 | Fluid pressure operated electrical switch A fluid pressure operated electrical switch has a piston element subject to an operating fluid pressure on its acting end face for actuating an electrical switch. The switch employs a limiting member for limiting motion of the piston element to a predeter... | 08/23/1983 |
| 4323742 | High pressure differential switch device A switch which is actuated when a preselected fluid pressure differential is exceeded. A piston exposed to the pressure differential carries a plunger which contacts a lever arm mounted on a shaft. A spring normally prevents the shaft from turning but is ... | 04/06/1982 |
| 4317971 | Adjustable pressure and vacuum limit switch valve An electrical limit switch valve, having an essentially rigid plastic structural composition, is adapted to conductively secure a fluid flow pipe. A covering flexible elastic membrane diaphragm separates a valve base and piped fluid from a spring loaded O... | 03/02/1982 |
| 4250360 | Device to automatically activate or deactivate control means A device designed to effect automatic activation or deactivation of electrically, hydraulically or pneumatically operated control means, comprising a body freely movable in an air-tight housing and in its normal position sealing an aperture, a spring-bias... | 02/10/1981 |
| 4229629 | Miniature pneumatic switch actuator The present invention is a miniature electric switch actuator comprised of a two-piece threaded housing, one section having a cylindrical cavity containing a miniature switch with wires attached and the adjoining section has an inlet port and a bore with ... | 10/21/1980 |
| 4225760 | Pressure actuated unit with high temperature protection A pressure fitting formed of fire resistant material, preferably stainless steel, contains a chamber communicating through an opening with a pressure responsive switch or other assembly formed at least in part of a less fire resistant material, such as al... | 09/30/1980 |
| 4172971 | Magnetic pressure indicator with thermal lockout A magnetic differential pressure indicator is provided for detecting and indicating a pressure differential thereacross that is greater than a predetermined value in a fluid system. A thermal lockout effective even at high internal fluid pressures prevent... | 10/30/1979 |
