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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 |
| 7641181 | Distributed power suspension system The present invention relates to a vibration control or vehicular suspension system. In one embodiment, the system uses a liquid spring filled with a compressible liquid. In such an embodiment, a suspension system, in addition to being able to change stiffness and d... | 01/05/2010 |
| 7341258 | Cammed seal assembly with sealing ring having an angled leg portion and foot portion with elastomeric energizer element A seal assembly seals first and second operational surfaces spaced apart by a gap. The first surface includes a seal groove having a base surface and first and second side surfaces. A sealing element in the seal groove has a foot portion extending parallel to the ba... | 03/11/2008 |
| 7188452 | Sleeved bracing useful in the construction of earthquake resistant structures A buckling restrained brace includes an elongate, hollow sleeve, an elongate yielding core extending substantially through the length of the sleeve, and a buckling constraining element between the yielding core and the inner surface of the hollow sleeve and spaced a... | 03/13/2007 |
| 7140601 | Independent and integrated compact air-bump stops A compact air-bump stop (jounceshock) provides improved motor vehicle suspension system accommodation of jounce and rebound than is provided than by a conventional shock absorber, bump cushion and/or air-bump stop. In an independent jounceshock, a primary shell and ... | 11/28/2006 |
| 7032910 | Adaptable blood processing platforms An adaptable blood processing platform comprises a blood processing device and a ground engaging frame including a shelf to which the blood processing device is secured. The frame supports the shelf for movement between a lowered position and a raised position. The ... | 04/25/2006 |
| 7028817 | Pressure adjustable shock and method A gas pressure adjustable aluminum shock absorber to pressurize oil therein mounts between a vehicle and an axle and includes a threaded aluminum shock body tube, a bore therein an aluminum body mounting loop with an internal female thread to couple in threaded enga... | 04/18/2006 |
| 7020924 | Static stabilizers for bridges An adjustable static stabilizer used to ameliorate shock loading. The static stabilizer has a housing forming a chamber and an upwardly-open cylindrical carrier moveably mounted in the chamber. A plurality of spring washers are mounted in the carrier, and a shoe cap... | 04/04/2006 |
| 6971492 | Shock adapter A shock adapter for converting a one-way shock absorber into a two-way shock absorber comprising a housing having a first slideable member located on one end and a second slideable member located on the opposite end with the housing having a chamber therein for rece... | 12/06/2005 |
| 6962072 | Fluid inducer evaluation device and method A fluid inducer having an inducer valve operable to open in response to a load is evaluated by an evaluation device. This device includes a fluid conduit for pressurizing the fluid inducer with a fluid and a pressure sensor that senses the pressure in the fluid cond... | 11/08/2005 |
| 6938887 | Suspension system for bicycles The present invention relates to a spring damper system for bicycles having a first load-applying segment, a second load-applying segment, at least one spring mechanism, a damping means, and a regulating mechanism that automatically effects a damping behavior of the... | 09/06/2005 |
| 6918472 | Arrangement for a piston and cylinder device The hydraulic cylinder or shock absorber arrangement has a cylinder unit limiting an inner space in which a medium in the form of a gas or a liquid is intended to be placed. A forwardly and backwardly movable piston unit is placed such that it can slide within the s... | 07/19/2005 |
| 6901689 | Firearm pneumatic counter-recoil modulator and airgun thrust-adjustor An inexpensive generally retrofitable drop-in cartridge-unit of light-weight pneumatic-cylinder design for replacing the conventional metal/compression-spring member housed within the frame of a gun, thereby providing significantly smoother, quiter, more rapid, and ... | 06/07/2005 |
| 6764066 | Hydraulic damping mount for supporting a spring strut An hydraulic damping mount has an outer sleeve, an inner sleeve for securing thereto a piston of a spring strut (activatable in at least one direction), an elastomeric body and two chambers. The two chambers are interconnected via a gap. The inner sleeve comprises a... | 07/20/2004 |
| 6691840 | MR damper with rebound cut-off feature A suspension damper including a tube and a damping piston assembly disposed within the tube and slidably mounted therein for reciprocal movement in the tube. The suspension damper also includes a piston rod extending through the tube and connected to the ... | 02/17/2004 |
| 6655509 | Impact damper An impact damper as a connecting member between a bumper and a chassis of a motor vehicle for the purpose of damping the shock loading during a collision between this motor vehicle and an obstacle through hydraulic damping forces and gas-spring forces. Th... | 12/02/2003 |
| 6561500 | Hydro-damped air spring The air spring of the present invention combines both traditional air spring characteristics and components with internal hydro damping. The air spring has an upper retainer, a piston, an elastomeric sleeve secured to the upper retainer at a first end and... | 05/13/2003 |
| 6513797 | Damping arrangement for suspension system A damper comprises a first chamber and a second chamber separated by a piston. At least one of the chambers includes an axially moveable member and an axially fixed member. A resilient or compressible member is positioned between the axially moveable memb... | 02/04/2003 |
| 6394238 | Regenerative suspension for an off-road vehicle A hydraulic circuit controls a doubling acting cylinder of a vehicle suspension to provide load leveling and shock absorption functions. A set of solenoid valves control the application of pressurized hydraulic fluid from a supply line to the cylinder and... | 05/28/2002 |
| 6389341 | Control system for a vehicle suspension A suspension system (20) controls the amount of compressible fluid (42) within struts (28) to determine spring rate coefficients (Ks) and dampening coefficients (Bs) for the struts (28). The spring rate and dampening coefficients (K | 05/14/2002 |
| 6361027 | Shock absorber with flexible connection between an airlift component and top mount An air lift shock absorber for an automotive suspension system includes a damping piston slidable within a housing, a piston rod extending from the housing to a top mount assembly including a rigid top mount housing and a force absorbing member within the... | 03/26/2002 |
| 6357546 | Motorcycle suspension system A motorcycle suspension using an air bag in place of a spring, having a front bag bracket that is fixed to the motorcycle main frame and a pivoting rear bag bracket that is attached to a swing arm of a motorcycle. An air bag is sandwiched between the fron... | 03/19/2002 |
| 6305673 | Vibration control system A vibration control system utilizes a liquid spring filled with a compressible liquid. In its most general embodiment, the vibration control system minimizes the transmission of vibration between a first mass and a second mass, i.e. vehicle frame/vehicle ... | 10/23/2001 |
| 6293530 | Compressible liquid vibration control system A vibration control system utilizes a liquid spring filled with a compressible liquid. In its most general embodiment, the vibration control system minimizes the transmission of vibration between a first mass and a second mass, i.e vehicle frame/vehicle c... | 09/25/2001 |
| 6212974 | Variable stiffness positioning link for a gearbox A gearbox mounting arrangement for a gas turbine engine includes a plurality of variable stiffness positioning links that attach the gearbox housing to the engine case. The links include a first portion that is connected to the engine case, a second porti... | 04/10/2001 |
| 6042094 | Self-centering column assembly employing liquid spring and structures containing such columns A self-centering spring assembly which is a column located between first and second vertically spaced frame members including a first end on the column movably secured to the first frame member, a second end on the column secured to the second frame membe... | 03/28/2000 |
| 5961106 | Vehicle shock absorber assembly having height adjustment A vehicle shock absorber assembly (20) for use with a vehicle suspension system (12) having a lower unsprung mount (14) and an upper sprung mount (16) is constructed to provide height adjustment by introduction or removal of hydraulic fluid from an enclos... | 10/05/1999 |
| 5944283 | Crashworthy landing gear shock A shock absorber, optionally operable as a retractable landing gear actuator, includes a sealed cylinder divided by a cylinder head to define an upper chamber and a lower chamber, the lower chamber further divided by a piston having a piston rod passing i... | 08/31/1999 |
| 5890705 | Self-centering liquid spring assembly and constructions thereof A self-centering spring assembly including a liquid spring having a cylinder and a piston, a casing slidably mounted on the cylinder and having the outer end of the piston connected thereto, a first pivotal connector between an extension of the cylinder a... | 04/06/1999 |
| 5829556 | Damper device, of the type with hydrostatic compression of elastomer, and its applications A damper variably moderates movement of a piston on a rod in a cylinder filled with highly pressurized elastomeric gum. An axial bore through the piston allows relative ease of movement when a relatively low force is applied to a rod driving the cylinder.... | 11/03/1998 |
| 5820112 | Leveling valve apparatus for controlling vehicle cab leveling A vehicle cab levelling apparatus includes a spool formed extendedly from the piston so as to shut the exhaustion valve by closely attaching thereto and to open the exhaustion valve by distancing therefrom in accordance with the upward and downward moveme... | 10/13/1998 |
| 5595372 | Semi-active vibration mitigation assembly A semi-active vibration damping assembly for suppressing structural vibrations. The damping assembly includes a double rod hydraulic cylinder having a first fluid chamber and a second fluid chamber interconnected by a valve assembly. The hydraulic cylinde... | 01/21/1997 |
| 5549281 | Liquid spring for punch press A metal working press employs a self-contained liquid spring adapted for the clamping of metal blanks during the performance of punching, cutting or forming operations thereon. The liquid spring comprises a fluid cylinder vessel filled with a pressurized ... | 08/27/1996 |
| 5316272 | Liquid spring vehicular suspension system and associated control apparatus A vehicular suspension system incorporates, at each wheel, a liquid spring which internally utilizes a compressible liquid to generate spring and damping forces that yieldingly resist vertical wheel deflection relative to the vehicle frame. The spring and... | 05/31/1994 |
| 5305859 | Liquid spring having improved damper valve structure A vehicular suspension system includes a liquid spring operatively interconnected between a vehicle frame and an associated wheel assembly to provide resistive spring and damping forces in response to relative vertical displacement between the frame and w... | 04/26/1994 |
| 5152547 | Dual piston strut A vehicular suspension system incorporates, at each wheel, a liquid spring which internally utilizes a compressible liquid to generate spring and damping forces that yieldingly resist vertical wheel deflection relative to the vehicle frame. The liquid spr... | 10/06/1992 |
| 5085412 | Shock strut A cylinder housing an oil chamber and a piston housing a pair of concentric gas chambers define a telescopingly compressible shock strut. Upon compression of the shock strut, oil under pressure flows from the oil chamber into a compartment defined in part... | 02/04/1992 |
| 5052712 | Torque beam, equalized pneumatic and hydraulic axle suspension An active, frequency damping suspension system for vehicles having a chassis and at least one axle comprises a pneumatic spring connected mechanically between the vehicle axle and the vehicle chassis to absorb vertical movements of the vehicle axle and pr... | 10/01/1991 |
| 5028037 | Automatic lifting apparatus An automatic raising apparatus includes a hollow cylinder having a partition member separating said cylinder into a first chamber and a second chamber. A floating piston is mounted in said second chamber defining a third chamber. A sleeve member is mounte... | 07/02/1991 |
| 5024465 | Axle suspension for vehicles, particularly heavy vehicles with two or more axles The axle suspension for vehicles, particularly heavy and special vehicles, has an axle housing connection using two telescopic assemblies (26, 20, 21, 24, 87) each having a telescopic cylinder (6, 95) and a telescopic tube (2, 23, 43, 91) displaceable the... | 06/18/1991 |
| 4986704 | Tool mounting apparatus A tool mounting apparatus for fixedly mounting a tool, an abrasive wheel and the like to a spindle of a machine such as a machine tool, by making use of a resilient means incorporated into the spindle. The resilient means is constituted to create a resili... | 01/22/1991 |
