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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 |
| 7503291 | Reciprocating device with dual chambered cylinders A reciprocating device which may be operated either as a compressor or an engine. Each cylinder has a reciprocating piston connected to a piston rod. Dual cylinder chambers are located in each cylinder on opposite sides of the piston. The pistons are connected to a ... | 03/17/2009 |
| 7481188 | Force transfer mechanism for an engine A multiple watt-linkage force transfer mechanism is provided for an internal-combustion engine. The force transfer mechanism comprises two “bell cranks” that are used to drive a single crankshaft through a watt linkage mechanism. Each bell crank, in turn, is dri... | 01/27/2009 |
| 7270108 | Opposed piston, homogeneous charge pilot ignition engine An engine of the opposed piston, two-stroke, compression ignition type includes provision for injection of a main charge of liquid fuel into the bore of a cylinder between opposed pistons early in a compression stroke to permit the fuel to evaporate and mix with air... | 09/18/2007 |
| 7124716 | Internal combustion engine using opposed pistons An internal combustion engine having a cylindrical outer housing with inner cylindrical cylinders defining power cylinders circumferentially spaced in the engine. Each of the cylinder(s) has opposed intake and exhaust pistons. The intake and exhaust pistons use air ... | 10/24/2006 |
| 7033525 | High conductivity polyaniline compositions and uses therefor The present invention describes compositions formed from polyanaline and carbon nanotubes, which exhibit enhanced conductivity and which provide uses in electronic circuit applications. ... | 04/25/2006 |
| 6948458 | Two-way cylinder engine An internal combustion engine wherein each cylinder has two pistons placed in the opposite direction and attached together by an arm-type connecting rod and wherein a cylinder head has a rotor blade rotating in the middle between the upper cylinder head and the lowe... | 09/27/2005 |
| 6945044 | Dual cycle hot gas engine comprising two movable parts The invention relates to a dual cycle hot gas engine comprising pistons which are movable inside one another, a dual external piston being arranged for axial movement inside a basic cylinder member, and a dual internal piston being arranged for axial movement inside... | 09/20/2005 |
| 6871497 | 4-stroke reciprocating piston engine having supercharging piston The invention provides a 4-stroke reciprocating piston engine having a supercharging piston, which ensures dynamic balance of the engine with only a simple construction and achieves high output. The 4-stroke reciprocating piston engine having a supercharging piston ... | 03/29/2005 |
| 6722322 | Internal combustion engine An internal combustion engine including at least one engine cylinder, the cylinder includes a cylinder cavity with first and second cylinder heads which are interconnected by a cylinder wall, the cylinder further includes a piston member which is slidably movement w... | 04/20/2004 |
| 6619244 | Expansible chamber engine This engine 1 relies on a flywheel having a flywheel axis and an undulating cam surface. A piston with a roller at its base is positioned in a cylinder such that the roller abuts the undulating cam surface at some radial distance from the flywheel axis. T... | 09/16/2003 |
| 6325027 | Bearing arrangement The bearing arrangement includes an annular flange provided with a groove, a holder disposed on a fixed axis opposite the groove and a hollow shell-shaped sphere mounted between the holder and the groove in the annular flange. The sphere is elastically de... | 12/04/2001 |
| 6305168 | V-type engine with turbocharger A V-type engine having a turbocharger located between two banks, and an oil shield between the turbocharger and a valley of the banks. The oil shield blocks the oil spattered from the interbank valley so that flying of the oil to the turbocharger from the... | 10/23/2001 |
| 6250264 | Internal combustion engine with arrangement for adjusting the compression ratio The internal combustion engine has a plurality of cylinders which are arranged in an annular series about a common central drive shaft. Each cylinder includes a pair of opposed pistons which are movable towards and away from each other while defining a co... | 06/26/2001 |
| 6089195 | Adiabatic, two-stroke cycle engine having novel combustion chamber An engine structure and mechanism that operates on various combustion processes in a two-stroke-cycle without supplemental cooling or lubrication comprises an axial assembly of cylindrical modules and twin, double-harmonic cams that operate with opposed p... | 07/18/2000 |
| 5133306 | Horizontally opposed internal combustion engine Presented is an internal combustion engine that utilizes horizontally opposed pistons operating in direct opposition to one another in axially aligned open ended cylinders suspended below a base plate and arranged generally symmetrically on opposite sides... | 07/28/1992 |
| 5081963 | Reciprocatory machines A reciprocatory machine having a cylinder defining with at least one piston a working chamber. Each piston is reciprocable in the cylinder by a respective crankshaft. The machine has intake and exhaust ports disposed at opposite ends of the working part o... | 01/21/1992 |
| 4951618 | Rotary engine A rotary engine construction of radially compact dimension. The engine comprises a cylinder block contained in a cylinder canister. The cylinders extend in a radial direction and have open outer ends though which the piston rods extend. A combination flyw... | 08/28/1990 |
| 4635590 | Internal combustion engine and operating cycle therefor An internal combustion engine includes a plurality of cylinders arranged parallel to and equally spaced from a longitudinally extending engine axis with a pair of opposed pistons mounted in each cylinder for controlled reciprocation therein. Respective ro... | 01/13/1987 |
| 4610223 | Cam engine An improved internal combustion cam engine of a type in which the drive-cam-valve shaft rotates about an axis parallel to the axes of the cylinders.... | 09/09/1986 |
| 4526141 | Drive arrangement for internal combustion engine An internal combustion engine including: a cylinder, a combustion chamber in the cylinder, two opposed pistons within the cylinder and relatively movable towards and away from each other. The combustion chamber is defined between the two pistons. Each pis... | 07/02/1985 |
| 4408577 | Rotary engine Disclosed are apparatus for a two cylinder rotary internal combustion engine comprising a stationary cylinder block with a pair of inwardly facing horizontally opposed pistons operating within. Each piston is maintained in fixed relationship to the other ... | 10/11/1983 |
| 4363295 | Movable head engine An internal combustion engine utilizing either an Otto or a Diesel cycle contains two opposed pistons in each cylinder. The first piston drives a crank arm which drives a crankshaft. The crankshaft, through a timing means, drives an eccentric positive-mot... | 12/14/1982 |
| 4345550 | Deflecting rocker arm for an internal combustion engine A two-cycle, two-cylinder opposed piston internal combustion engine having means for continuously adjusting the stroke of the engine and the blocking and unblocking of intake, transfer and exhaust ports with respect to each other as the engine is operatin... | 08/24/1982 |
| 4305349 | Internal combustion engine An air control valve (20, 21) is coupled to the minimum volume region of each cylinder (11, 12) in an internal combustion engine. The open interval of the valves during each engine cycle is controlled responsive to the throttle (FIG. 2) to equalize the ai... | 12/15/1981 |
| 4285303 | Swash plate internal combustion engine A two-cycle internal combustion engine has a plurality of parallel cylinders supporting a central drive shaft, a piston in each cylinder having an outer extension connected to a swash plate rotatably mounted on an inclined portion of the drive shaft. The ... | 08/25/1981 |
| 4215660 | Internal combustion engine A two-cycle, two-cylinder opposed piston internal combustion engine having means for continuously adjusting the stroke of the engine and the blocking and unblocking of intake, transfer and exhaust ports with respect to each other as the engine is operatin... | 08/05/1980 |
| 3942488 | Cam transmission internal combustion engine A power shaft is journalled within a stationary housing having a cylinder formed therein. The axis of the cylinder is radial to the axis of the power shaft. A lever arm pivotally carried by the housing is linked by a connecting rod to a piston slidably di... | 03/09/1976 |
