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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 |
| 8167571 | Horizontal axis wind turbine rotor assembly with lifting body rotor blades A horizontal axis wind turbine rotor assembly utilizes rotor blades having the aerodynamic characteristics of low aspect ratio lifting bodies. The aerodynamic characteristics of low aspect ratio lifting bodies at typical operating wind velocities permits high energy... | 05/01/2012 |
| 7517198 | Lightweight composite truss wind turbine blade A lightweight wind turbine blade formed with a truss support structure assembly of composite truss joints including composite spar and cross members attached to and supporting in spaced relation a spine of lightweight rib panels. The rib panels are oriented in paral... | 04/14/2009 |
| 7402025 | Fan blade assembly A fan blade assembly includes a fan blade and a blade iron. The proximal end of the blade iron is configured for securement to a conventional, commercially available fan motor. An openwork defines the perimeter of the fan blade. A decorative cover spans and is secur... | 07/22/2008 |
| 7334998 | Low-noise fan exit guide vanes Low-noise fan exit guide vanes are disclosed. According to the present invention a fan exit guide vane has an outer shell substantially shaped as an airfoil and defining an interior cavity. A porous portion of the outer shell allows communication between the fluctua... | 02/26/2008 |
| 7172337 | Low shear impeller One or more mixing impellers is carried on a driving shaft received in a mixing vessel. Impeller blades are angularly and/or axially distributed on the shaft and can be single staggered axially-spaced blades or groups of two or more placed angularly around the shaft... | 02/06/2007 |
| 7084523 | Windmill for wind power generation A windmill for highly efficient wind power generation is provided by enabling one to efficiently rotate the windmill even in starting or at a low wind speed region by improving a blade of a vertical shaft type windmill of a lift type. In the windmill for wind power ... | 08/01/2006 |
| 7044631 | Collapsible whisk A balloon whisk (2) has a handle (4) and a plurality of wire loops (8) extending from an end of the handle (4) and disposed spaced angularly about the handle, and an elongate collar (10) having openings (12) through which th... | 05/16/2006 |
| 7018167 | Fluid machinery An object is to improve the durability of wings and suppress vibration of the wings and generation of noise. A fluid machine includes a rotatably supported wing support, and a plurality of wings (21) formed on the wing support at a plurality of circumferentia... | 03/28/2006 |
| 7014425 | Low pressure fan with Y-shaped blades A fan 10 includes a central hub 14, an outer ring structure 18, and a plurality of fan blades 12. Each blade is of generally Y-shaped configuration having first and second separate branches 12a, 12b, respective... | 03/21/2006 |
| 6974309 | Straight wing type wind and water turbine A Straight blade type turbine has at least one two-dimensional blade positioned in parallel with and around a central axis of the turbine. The two-dimensional blade has a cross section with a blade chord turned around a center of the two-dimensional blade by an angl... | 12/13/2005 |
| 6948910 | Spiral-based axial flow devices Axial flow devices using rigid spiral band profiled blade catenaries attached variably along and around an axially elongated profiled hub, of axially oriented profile section sequences 75 mapped relative to truncated cones-of-generation. Upon rotation and lub... | 09/27/2005 |
| 6921194 | Device for mixing a flowable or pourable medium, especially a highly viscous medium A device for mixing a flowable or pourable medium has a container for receiving the medium and a rotatable shaft having radially projecting support arms and rotatable in a direction of rotation. Mixing elements are connected to the radially projecting support arms. ... | 07/26/2005 |
| 6902315 | Devices, methods and systems for mixing and stirring paints and the like Devices, systems and methods for mixing and stirring paints and the like having an axial shaft with a means for moving the liquid mounted on the axial shaft and a cage-like frame surrounding the means for moving the liquid and surrounding at least a portion of the a... | 06/07/2005 |
| 6457671 | Funneled rotary foil A funnel strip is added to a rotary airfoil, which utilizes the Bernoulli principle to increase the velocity of air over the suction side of the rotating airfoil to increase the lift. The device is applicable to thrust-producing devices, such as propeller... | 10/01/2002 |
| 6099256 | Three dimensional figure eight propeller/impeller blade apparatus A propeller/impeller blade adapted to propel a vehicle or other device, create a vacuum, or move a medium, comprising a generally flat strip-like member having first and second opposite ends joined together to form a pair of contiguous loops with a genera... | 08/08/2000 |
| 5908241 | Coil impeller mixing device A mixing device for mixing flowable materials in a container employs an elongated shaft having one end adapted to be connected to a power source and the other to be inserted into the material, with a pair of elongated, generally helical open centered coil... | 06/01/1999 |
| 5890875 | Blade apparatus A three dimensional figure eight propeller/impeller blade apparatus is provided which may be used to propel a vehicle, power a shaft, create a vacuum, or move a medium. The blade apparatus is made from an elongated strip of generally flat material. In one... | 04/06/1999 |
| 5865539 | Rotary mixing device for fluidic material A rotary mixing device provides an elongate powering shaft carrying at a first end portion mixing apparatus formed by a first outer annulus interconnected by quadrantally arrayed first radial elements to the first end portion of the powering shaft, and a ... | 02/02/1999 |
| 5688048 | Stirrer A stirrer for mixing mortar, joint compound and other viscous liquids. The stirrer includes a shaft having a fitting at its upper end for insertion into the chuck of a drill motor, or like device, and a pair of blades at its lower end. The blades are form... | 11/18/1997 |
| 5683178 | Apparatus for producing high viscosity materials and method of producing the same Agitator blades formed by connecting a plurality of frame members are provided in a cylindrical or conical container to realize the agitator blade structure without rotary shaft. Therefore, less liquids being treated adhere onto the rotary shaft or the ag... | 11/04/1997 |
| 5590962 | Rotating beater The present invention relates to a rotating beater (1) adapted to be rotated by a drive shaft (2), including at least one wire-shaped beater element (3, 22), which starts from the drive shaft (2), extends further in the direction of the drive shaft and, f... | 01/07/1997 |
| 5520458 | Vertical shift mixing assembly A mixing blade assembly having two vertical shafts oriented parallel to one another, each shaft carrying two blades, wherein an upper (horizontal) element of each blade is rectilinear and shorter in length than a bottom "S" shaped curved element of each b... | 05/28/1996 |
| 5482367 | Whisking device with rod and plural torroidal coils A device for manually whisking liquids or semi-liquids consists of a rod, to the end of which are individually attached torroidal coils of stainless steel fixed to the rod by wire loops twisted to tightness. Annular grooves are formed in the rod to provid... | 01/09/1996 |
| 5411330 | Moebius shaped mixing accessory An accessory for a mixer having a first Moebius shaped mixing blade mounted to a shaft and having a second, mirror image, Moebius shaped mixing blade mounted to a second shaft, the second shaft being oriented parallel to the first shaft, and wherein the i... | 05/02/1995 |
| 5382092 | Mixing apparatus and bottom ribbon blade used therein A mixing apparatus includes a bottom ribbon blade adapted for viscous fluid contents. The mixing apparatus includes a vertically positioned mixing vessel including a cylindrical wall and a bottom wall disposed on a lower portion of the cylindrical wall wh... | 01/17/1995 |
| 5330325 | Agitating vane A plurality of flat plates are laterally disposed at an outer circumference of a hub and auxiliary vanes are disposed in parallel to at least side edges of each of said flat plates while being spaced apart from the side edges. Accordingly, an occurrence o... | 07/19/1994 |
| 5277550 | Agitating vane A plurality of flat plates are laterally disposed at an outer circumference of a hub and auxiliary vanes are disposed in parallel to at least side edges of each of said flat plates while being spaced apart from the side edges. Accordingly, an occurrence o... | 01/11/1994 |
| 5269647 | Wind-powered rotor The present invention relates to a rotor driven by wind power with a vertical rotating axis and radial arms distributed at uniform angular intervals over its periphery which bear bodies with an aerodynamic profile such that one side of the profile exhibit... | 12/14/1993 |
| 5253980 | Agitating vane An agitating vane in which a plate-like vane is disposed at an extreme end of a rotary shaft to agitate liquid has a feature that auxiliary vanes for covering a part of vane with a clearance being left are disposed in front of the surface of the vane in i... | 10/19/1993 |
| 5219223 | Whisk A whisk having a longitudinally extending handle with a front end. Several wire loops with open free ends extend from the front end of the handle and form a V-shape. Several rectilinear parts connect the open free ends of the V. The whisk is adapted to co... | 06/15/1993 |
| 5176501 | Propeller with an elastic sleeve A propeller system is formed on a shaft by at least one pair of axially spaced propeller blades each having a first and a second blade section extending at a selected acute (or obtuse) angle to the axis of the shaft, the first sections and second sections... | 01/05/1993 |
| 5161952 | Dual-plane blade construction for horizontal axis wind turbine rotors Dual-plant blade construction for wind turbine rotors having a horizontal shaft having a rotor hub adapted to be mounted on the horizontal shaft and having a horizontal axis. First and second sets of straight blades are secured to said rotor hub in circum... | 11/10/1992 |
| 4813787 | Blending apparatus A blending apparatus has a rotor provided with louvers and mixing teeth. The louvers have openings which vary in size and act to convey materials being cut and blended through the disc. The mixing teeth extend from peripheral edges of the rotor. Adjacent ... | 03/21/1989 |
| 4808074 | Vertical axis wind turbines The invention relates to improvements in and relating to vertical axis wind turbines, particularly those of the "eggbeater" type. It has been found possible, in spite of previous beliefs that it was not so, to provide energy exchange means between the bla... | 02/28/1989 |
| 4802825 | Method and apparatus for maintaining a mixture of products at a certain temperature When maintaining a flow of a mixture of products consisting of a liquid of low to medium viscosity incorporating solid particles at a certain temperature and for a certain period of time the mixture remains for some time in a vessel of a substantially cyl... | 02/07/1989 |
| 4445817 | Propeller construction A propeller formed from pliable sheet material with each blade being of looped configuration in plan view. An end segment of each blade is turned inwardly and attached to an inner segment of an adjacent blade at a point offset from the propeller hub porti... | 05/01/1984 |
