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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 |
| 7886649 | Weapon system A modular weapon system of a preloaded recoilless gun including a barrel provided with a shell, a propellant charge and a countermass. The weapon system is configured in two parts including a first part of the barrel and a second part of the barrel. The first part o... | 02/15/2011 |
| 7841267 | Recoilless launching An arrangement for recoilless launch including a non-gaseous reaction mass having a weight in a range of about 25% to about 75% of a weight of a projectile. For the same projectile energy, less propellant is required than a rocket, which minimizes backblast and redu... | 11/30/2010 |
| 7823497 | Countermass and countermass weapon A countermass for use in a weapon to balance the forces arising when a launch able unit is launched from a launcher tube of the weapon. The countermass includes a first container enclosing a liquid. A countermass weapon includes a launcher tube open or openable in b... | 11/02/2010 |
| 7624668 | Recoilless launching An arrangement for recoilless launch including a non-gaseous reaction mass having a weight in a range of about 25% to about 75% of a weight of a projectile. For the same projectile energy, less propellant is required than a rocket, which minimizes backblast and redu... | 12/01/2009 |
| 7418896 | Recoilless weapon system A recoilless weapon system is provided rear portion, a barrel in movable connection to the rear portion, and a handle portion in removable connection with the barrel and/or rear portion. Further, a ballast payload cartridge is removably disposed within a ballast pay... | 09/02/2008 |
| 7398614 | Firearm apparatus and method A firearm apparatus and a method of firing ammunition therefrom, where the method utilizes a barrel (12) having a breech end surface (40) and immovably affixed to frame (10), a stand pressure surface (32), and a cartridge container (16... | 07/15/2008 |
| 7353739 | Arrangement for weapon An arrangement for a weapon including a countermass for reducing the pressure around the weapon. The countermass is enclosed in a countermass container that can be opened at both ends. The invention aims to bring about a symmetrical opening with favorable recoil in ... | 04/08/2008 |
| 7350449 | Countermass weaponry The subject invention concerns a method and a device enabling said packed countermass material (11) to open up said countermass packagings (10) in relation to the firing of countermass weaponry. The basic concept for the subject invention is, thus, tha... | 04/01/2008 |
| 7325495 | Hot gas deployment devices A hot gas deployment device for safely deploying a “hot” tear-gas canister to flush out barricaded law-resisters. The device includes an internal chamber for inserting the tear-gas canister therein, securing means to secure the canister in place during deploymen... | 02/05/2008 |
| 7305911 | Method and device for launching free-flying projectiles The present invention relates to a method and a device by means of which it has been made possible, without gas discharge to the surrounding environment, to accelerate the speed of a powder-gas-driven projectile from zero to a speed which gives the projectile free-f... | 12/11/2007 |
| 7302773 | Method of firing of firearms A method of firing of arms which utilizes both action and reaction forces in the process of firing. The action force propels the projectile (14) while the opposite in direction reaction force is used with an independent freely moving inert mass (20) in... | 12/04/2007 |
| 7249567 | Submarine short-range defense system Disclosed is a launch system of an affixed lower section of launch tubing and an upper section of launch tubing configured to telescope vertically from a stowed position within the hull of a submarine to a position just above the ocean surface for a launch operation... | 07/31/2007 |
| 7207254 | Launching of missiles A missile launcher comprising a canister for housing a missile and piston based launcher, the piston being arrested in the tube after launch of the missile. ... | 04/24/2007 |
| 7194889 | MEMS multi-directional shock sensor with multiple masses A multi-directional shock sensor including two masses arranged to move in directions, which are mutually perpendicular to one another. A moveable locking member prevents movement of a slider, which is used in the arming arrangement of a submunition. In response to a... | 03/27/2007 |
| 7191693 | Arrangement for weapon An arrangement for a weapon including a countermass for reducing the pressure around the weapon. The countermass is enclosed in a countermass container with an openable cover provided with break indications. The arrangement brings about a symmetrical opening operati... | 03/20/2007 |
| 7055422 | Reduced recoil anti-armor gun An improved Barrett anti-armor gun that is modified to function from the open bolt with advanced primer ignition, wherein the forward momentum of the recoiling masses at the moment of firing offset a significant portion of the recoil impulse from firing. The modific... | 06/06/2006 |
| 6971299 | Countermass weapon The subject invention concerns a general method of producing countermass weaponry and is based on the use of a high-pressure system and a low-pressure system with a countermass (12, 26, 26′, 38) acting against the low-pressure system. The high-pressure syst... | 12/06/2005 |
| 6543329 | Nested ring based countermass assembly A countermass assembly is axially and radially restrained while within a vessel and is dispersible into its component parts upon being ejected from the vessel into an open environment. A plurality of groups arranged axially adjacent one another to form a ... | 04/08/2003 |
| 6446535 | Triple-tube, dispersible countermass recoilless projectile launcher system A recoilless projectile launcher system has a projectile residing in a launch tube with a propellant charge coupled to the aft end of the projectile. A first tube is slidingly fitted in the launch tube, is coupled to the aft end of the projectile, and enc... | 09/10/2002 |
| 6286408 | Energy-absorbing countermass assembly for recoilless weapons An energy-absorbing countermass assembly for a weapon has a crushable section, a piston at the forward end of the crushable section, and at the rearward end of the crushable section. The countermass can be a rupturable enclosure filled with a dispersible ... | 09/11/2001 |
| 5661254 | System for protecting a target from missiles Described is a system (10) for protecting a target such as an armoured vehicle, a bunker or the like from missiles. The protective system (10) has a launching container (12) with at least one launching tube (36) for an associated fragmentation projectile ... | 08/26/1997 |
| 5623113 | Pyrotechnic device for launching at least one projectile A pyrotechnic device for launching at least one projectile includes, in a longitudinal launcher tube closed at the rear by a rear wall, a closure member expelled when subjected to a longitudinal force exceeding a predetermined threshold and retaining at l... | 04/22/1997 |
| 5551330 | Dispersible countermass system for a recoilless weapon A dispersible countermass system for a recoilless weapon, designed to be installed in a weapon barrel and to be ejected on firing through a rear portion thereof by a piston driven by the pressure of the combustion gases of a propellant charge while a proj... | 09/03/1996 |
| 5515767 | Device for firing a projectile A device for firing a projectile for de-arming purposes, comprises a barrel for housing a projectile and an explosive charge. A sleeve surrounds the barrel, so as to define an annular chamber accommodating solid or liquid recoil absorbing material. Radial... | 05/14/1996 |
| 5491917 | Weapons system having a shock absorber Weapons system comprising a fixed reference, a launcher tube slidingly mounted in relation to the fixed reference and a damper inserted between the fixed reference and the launcher tube. The weapon further comprises a lock serving as a stop for the damper... | 02/20/1996 |
| 5370032 | Housing for propellant charge A housing has a scored cylindrical casing that is designed to slidably fit into the barrel of a weapon and that is delimited by two side walls. After the casing breaks, due to the pressure of gases generated by a propellant charge, the housing is divided ... | 12/06/1994 |
| 5357841 | Recoilless projectile launcher A projectile launcher and in particular a mass/countermass projectile launcher in which the piston intercept(s) comprises a braking collar (8) made of a material which exhibits constrained progressive crushing. When a projectile (18) is fired the launchin... | 10/25/1994 |
| 5337648 | Countermass for recoilless weapons A countermass for a recoilless weapon which is intended to be placed behind the propellant charge of the weapon projectile and intended to depart together with the propellant gases that exit from the rearward end of the weapon when the projectile is proje... | 08/16/1994 |
| 5313870 | Double piston propulsion unit A double piston propulsion unit for a recoilless mass/countermass projectile launcher comprises two hollow cylindrical pistons (22, 23) arranged in a back-to-back relationship with closed outer ends and open inner ends, the open inner ends being joined to... | 05/24/1994 |
| 5285713 | Countermass for recoilless weapons A countermass for recoilless weapons which is intended to be placed behind the projectile propelling charge (3) of the weapon and which is also intended to depart together with the propellant gases exiting rearwardly from the weapon when the projectile is... | 02/15/1994 |
| 5247889 | Subcalibre cartridges for recoilless training weapons The invention relates to a subcalibre cartridge (1) for recoilless training weapons, whereby a counter-mass (10) is expelled with a cover or end cup (11) from a closed charge case (14) when the practice round is fired. To ensure certain tearing of the end... | 09/28/1993 |
| 5099764 | Propulsion unit fireable from an enclosure A recoilless propulsion unit fireable from an enclosure utilizes a releasy sealed multi-holed nozzle member to expel a fluid therefrom by a closed-breech type piston that is activated by a propellant charge. The propulsion unit after firing has minimum i... | 03/31/1992 |
| 4759430 | Energy absorbing arrangements In e.g. a projectile launcher, an arresting sleeve (12) absorbs energy by deformation, which is necessary to arrest a piston (15) from which a counter-mass or a projectile is ejected. The counter-mass (17) should be dispersed as rapidly as possible on exi... | 07/26/1988 |
| 4753152 | Arrangement for braking a sabot To brake a sabot accelerated in a launcher of a recoiless rifle tube a mandrel shaped braking sleeve is disposed in the tube and an intermediate space is provided between a tapered surface of the mandrel and the tube into which the material of the front e... | 06/28/1988 |
| 4676136 | Apparatus for recoilless firing of projectiles from a lauching tube An apparatus for recoilless firing of projectiles from a launching tube comprises within the launching tube a forward brake ring, a forward sabot, a propellant charge with an ignition element or screw, a rear sabot, a counter-mass, and a rear brake ring, ... | 06/30/1987 |
| 4643071 | Recoilless launching device The countermass of a recoilless launching device is composed of a combustible material and has a firing connection with the working space in which the propellant charge burns up.... | 02/17/1987 |
| 4574680 | Arrangement in recoilless weapons An arrangement for firing a projectile from a recoilless weapon with a firing barrel open at both of its ends, by means of a propellant charge tamped toward the rear with an inert, pulverulent compensating mass, reduces the noise and the shock waves of th... | 03/11/1986 |
| 4503632 | Recoil reducing mechanism for shotguns Disclosed is a recoil reducing mechanism for use in shotguns. The mechanism utilizes explosive gases from the shotgun barrel which are conveyed through gas passageways into a chamber within an attached cylinder. The cylinder is provided with a slidable pi... | 03/12/1985 |
| 4484524 | Projectile for recoilless weapon There is disclose a round of ammunition for a recoilless weapon of the type having a launch tube which is open at both ends, comprising a projectile, a propulsive charge positioned behind the projectile, a countermass positioned behind the propulsive char... | 11/27/1984 |
| 4406209 | Projectile-firing weapons A projectile-firing weapon wherein the firing of the projectile is brought about, at least partly, by the unfolding of a flexible bag under the effect of a pressure within the bag.... | 09/27/1983 |
