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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 |
| 7370505 | Method of forming blind holes in a sheet of material A method of forming blind holes in a sheet material is provided. The method includes punching the sheet material to define a hollow projection through the material and shearing a layer of material from the sheet material to form a sealed end over an opening of the h... | 05/13/2008 |
| 6978800 | Closure device with self-aligning poppet A closure device used in a fluid dispensing assembly. The closure device contains a housing, a poppet member, and a biasing member. The closure device provides a retaining structure for stabilizing and aligning the poppet member and biasing member within the housing... | 12/27/2005 |
| 6786239 | Hub and method for storage of a spigot cap A storage hub is described for the temporary storage of a cap of the type typically threaded onto the outlet of a spigot to prevent leakage. The hub comprises a generally U-shaped body that can be mounted on the valve stem of a spigot, on top of the handle. Alternat... | 09/07/2004 |
| 6688326 | Locking fire hydrant A locking fire hydrant includes a fire hydrant body having an outlet port, a valve access hole, and an outer surface with a recess defined therein. The recess is configured to receive a locking cap for closing off the outlet port and the valve access hole... | 02/10/2004 |
| 6341762 | Service valve and use of same in reaction control system Various types of valves are disclosed, as well as the use of the same in a reaction control system for space travel vehicle applications. Multiple functions are provided by one of these valve designs by providing multiple flowpaths through the valve. An i... | 01/29/2002 |
| 6176266 | Housing block A housing block for receiving valves, for example piston pumps and storage chambers for use in hydraulic vehicle brake systems. The invention uses a wobble tool to deform material of the housing block at a beginning of a hole essentially in the longitudin... | 01/23/2001 |
| 6158455 | Antifreeze cap for faucet A cap assembly for providing continuous drip to a faucet exposed to freezing temperatures such as a faucet located outside a house. The cap assembly includes a cap member adapted to be mounted over the end of a faucet, which cap member includes a cylindri... | 12/12/2000 |
| 6112761 | Fire hydrant locking device and wrench A fire hydrant locking device comprises a clamp which engages the hydrant stem and includes apertured butterfly wings which are engaged by a forked rod locking the stem in a closed position. The rod extends through a donut to engage a tubular recess in th... | 09/05/2000 |
| 5957154 | Fire hydrant adaptor and cover A fire hydrant adaptor and cover for attachment to the uncovered outlet pipe of a fire hydrant. The fire hydrant adaptor and cover includes an adaptor pipe having a first end with internal threads of attachment to the fire hydrant outlet, and a second end... | 09/28/1999 |
| 5738285 | Secondary seal for the pneumatic discharge nozzle of a covered hopper car A secondary seal in the form of a plug member insertable in the open end of a pneumatic discharge nozzle of a covered hopper car carrying granular material, such as plastic pellets, wherein the plug member includes means for maintaining the pellets in spa... | 04/14/1998 |
| 5727590 | Tamper resistant construction for hydrant actuating nut A tamper resistant construction for preventing unauthorized actuation of the hydrant nut of a fire hydrant by causing any lateral pounding or upward forces applied to the tamper resistant construction to be transmitted directly to the hydrant body cover o... | 03/17/1998 |
| 5722450 | Tamper resistant construction for hydrant A tamper resistant construction for a fire hydrant including a hydrant nut actuating body for mounting on a hydrant nut, a shroud rotatably mounted on a first end portion of the hydrant nut actuating body, a cap rotatably mounted on a second end portion o... | 03/03/1998 |
| 5682917 | Overflow and isolation valve An overflow and isolation valve is disclosed. The overflow and isolation valve includes a valve body having a chamber defined therein, and an integral leg member formed as part of the valve body having a proximal end on the valve body and a distal end ext... | 11/04/1997 |
| 5632301 | Tamper resistant construction for hydrant A tamper resistant construction for a fire hydrant including a hydrant nut actuating body for mounting on a hydrant nut, a shroud rotatably mounted on a first end portion of the hydrant nut actuating body, a cap rotatably mounted on a second end portion o... | 05/27/1997 |
| 5630442 | Tamper resistant construction for hydrant actuating nut A tamper resistant construction for preventing unauthorized actuation of the hydrant nut of a fire hydrant by causing any lateral pounding or upward forces applied to the tamper resistant construction to be transmitted directly to the hydrant body cover o... | 05/20/1997 |
| 5588460 | Fire hydrant valve guide with locking sleeve and wrench therefor A hydrant protector for preventing unauthorized use of the hydrant includes an internally threaded tubular shleld around the valve stem. To prevent a collection of trash in the shield and to provide more security for the hydrant a threaded plug fits compl... | 12/31/1996 |
| 5549133 | Security device and system for preventing unauthorized access to and operation of fire hydrants A security device and system for preventing unauthorized access to and operation of fire hydrants. The security device includes a first end portion for coupling the device to a portion of a fire hydrant. The first end portion preferably is coupled to the ... | 08/27/1996 |
| 5535784 | Aircraft waste system drain valve A drain valve assembly for positively sealing an aircraft waste system drain line to prevent waste fluid leakage and the formation of so-called "blue ice" due to such leakage during high altitude flight. The valve assembly has an inlet for connection to t... | 07/16/1996 |
| 5464114 | Cap for gas outlet nozzles A cap member for fitment over a gas outlet nozzle having a plurality of serrations on the exterior thereof, is disclosed. The cap member comprises a peripherally disposed main body portion spanning between an open first end and a closed second end. The ma... | 11/07/1995 |
| 5392826 | Aircraft waste system drain valve A drain valve assembly for positively sealing an aircraft waste system drain line to prevent waste fluid leakage and the formation of so-called "blue ice" due to such leakage during high altitude flight. The valve assembly has an inlet for connection to t... | 02/28/1995 |
| 5303741 | Plug for temporarily sealing the end of a pipe A temporary pipe plug comprised of a lightweight main body encircled by an outer sealing surface. The outer sealing surface has a rounded edge which contacts the gasket on the bell end of a sewer or water pipe. A boss is affixed to the main body which pro... | 04/19/1994 |
| 5072750 | Fire hydrant closures Improvements relating to fire hydrant closures are disclosed in which a cap-shaped cover for the outflow port from a fire hydrant, and a tool for locking and unlocking the cap on the hydrant, is provided. The cap includes a septum-like strong plate which ... | 12/17/1991 |
| 5033501 | Fire hydrant cap and actuating tool therefor A fire hydrant cap and actuating tool for use therewith provide enhanced security for fire hydrants and increased safety when using the tool. The cap is forged of 8620 carbon steel; is provided with an internal steel lock washer of cadmium plate steel, an... | 07/23/1991 |
| 4979885 | Compressor with sealing means for internal gas and lubricant and having capability of lowering internal gas pressure A sealing plug has a stem portion inserted into an inlet of the compressor and contacted with a valve body of a check valve for forcing the check valve from closed position to maintain the check valve at open position. The sealing plug is also provided wi... | 12/25/1990 |
| 4936336 | Tamperproof construction for hydrant actuating nut A tamperproof construction for preventing actuation of the actuating nut of a fire hydrant comprising a nut actuating body for receiving the hydrant nut in turning relationship, set screws locking the nut actuating body to the actuating nut, a shroud perm... | 06/26/1990 |
| 4878515 | Water access preventer A water access preventer for testable water backflow prevention assemblies wherein a means is provided to quickly, inconspicuously, and inexpensively prevent unauthorized access to potable water travelling within these assemblies throughout the differenti... | 11/07/1989 |
| 4827969 | Cover for a hydrant A cover encompasses a hydrant having a bonnet mounted atop an upper barrel having two flanged ends. The cover has a domed annular hood shaped to correspond to the bonnet. The cover also has an externally convex skirt depending from the annular hood. This ... | 05/09/1989 |
| 4825898 | Tamper prevention device for fire hydrants A protective device for fire hydrants comprises a generally domed shaped member having a shape conforming to the bonnet of a fire hydrant and including a socket configured to receive an operating nut thereof. The protective device has a diameter too great... | 05/02/1989 |
| 4785484 | Control valve A hydrotherapy spa having a water jet into which air is aspirated through a conduit and a control valve for varying the effective flow area to the conduit from space inside the spa. The control valve comprises two generally cylindrical valve body members ... | 11/22/1988 |
| 4727900 | Tamper-proof hydrant cover A tamper-proof cover for the operating nut of a hydrant. The cover includes a housing adapted to be positioned above the operating nut for covering the operating nut, the housing having an opening, a housing mounting device securable to the hydrant and en... | 03/01/1988 |
| 4651771 | Hydrant protective cap and cover structure and operating wrench therefor A fire hydrant cap and cover assembly which is provided with a hydrant operating wrench therefor. The cap of the assembly has an interior threaded cap portion which attaches to the threaded portion of the hydrant water outlet discharge pipe. The exterior ... | 03/24/1987 |
| 4633896 | Operating nut for fire hydrant An operating nut construction for a fire hydrant including a body member having a lower tapped portion for threadably receiving a fire hydrant valve rod, a sleeve rotatably mounted on the body member against axial movement, a cap rotatably mounted on the ... | 01/06/1987 |
| 4602654 | Coupling for fire hydrant-fire hose connection A coupling for a fire hydrant-fire hose connection includes a first coupling member attached to the fire hydrant and a second coupling member attached to the fire hose wherein both the first and second coupling use a Storz connector. A butterfly valve is ... | 07/29/1986 |
| 4566481 | Tamperproof fire hydrants A tamperproof fire hydrant which can only be operated with the use of a special operating tool thus preventing the opening of the hydrant by unauthorized persons for unauthorized use. Additionally the tubular hold-down nut for the operating nut is so desi... | 01/28/1986 |
| 4556080 | Casing with assisted opening for protecting an apparatus in the form of a post The casing of the invention comprises a fixed part 1 fixedly mounted to the post 10 below the zone to be protected, this fixed part comprising, on one side of post 10, a support structure 14; a mobile part 15 for covering, in the closed position, the uppe... | 12/03/1985 |
| 4554944 | Operating wrench for tamperproof hydrants A tamperproof fire hydrant which can only be operated with use of a special operating means or tool thus preventing the opening of the hydrant by unauthorized persons for unauthorized use. The hydrant is provided with the usual polygonal end portion of th... | 11/26/1985 |
| 4526193 | Security cap assembly and actuator A disc-shaped inner member engages the valve stem. The inner member has a smooth uninterrupted exterior surface, except for a pair of spaced conical projections. An annular outer member is freely rotatably mounted around the inner member and has two perip... | 07/02/1985 |
| 4484595 | Tamper-proof cover for the operating nut of a fire hydrant A tamper-proof cover for the operating nut of a fire hydrant comprising a housing and an operating member. The housing has an internal flange and is adapted to be positioned on the bonnet of the hydrant over and around the operating nut so that the operat... | 11/27/1984 |
| 4418716 | Two-way flow valve A two-way flow valve includes a valve body having a cavity and a stem longitudinally moveable therein which establishes two separate fluid flow paths through the cavity in the body from first and second inlet ports to a common outlet port. A spring biases... | 12/06/1983 |
| 4398556 | Fire hydrant cover A cup-shaped cover for a fire hydrant includes an opening therethrough for rotatably receiving a special tool that opens and closes the fire hydrant valve. In order to provide for complete drainage, at least two channels are formed in the top surface of t... | 08/16/1983 |
