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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 |
| 8070348 | Mixing drum blade A concrete mixing drum includes a wall having at least one projection (32a, 32b) integrally formed as part of a unitary body with the wall. The at least one projection extends from the inner surface of the wall and includes a tapered base... | 12/06/2011 |
| 7070319 | Sample rotator with fixed sampling point A device for holding and rotating cylindrical sample containers for use in analytical instrumentation. The device maintains the surface of material in the container at a constant location during rotation by using a series of fixed contact points. The drive wheel is ... | 07/04/2006 |
| 7048430 | Hydraulic concrete mixer A hydraulic concrete mixer includes a drum (110) having a mixing blade (120) attached to an interior thereof, a frame (130) supporting the drum, an engine (140) mounted on the frame, and a drive train (150) extending through at lea... | 05/23/2006 |
| 7048429 | Concrete mixer In order to make good-quality concrete, a concrete mixer for mixing materials of concrete by rotation is provided so as to enhance fluidity of a mixture. A mounting frame 7 supporting a drum 2 of a concrete mixer 1 fixes a vibration device 25... | 05/23/2006 |
| 6948844 | Olive stuffing method and apparatus Apparatus for stuffing pitted olives with an edible filling features a drum and drum holder, plus drive means for rotating the drum holder and drum about a selected rotational axis. Pitted olives are placed in a drum along with a quantity of filling, then the drum i... | 09/27/2005 |
| 6913215 | Method and apparatus for tumbling concrete products A tumbler for tumbling concrete products comprises a rotatable cylindrical drum having an input end that is slightly elevated relative to an output end. Tire retread strips are placed side-by-side on the radially inner surface of the drum and extend along its length... | 07/05/2005 |
| 6726351 | Apparatus and method for controlling the flow of material within rotary equipment The present invention is to a method and apparatus for changing the flighting (20) within a mixing drum (12). A plurality of radially spaced apart doors or paddles (30) are connected to one of the two adjacent supports (60). Each door or ... | 04/27/2004 |
| 6350052 | Manual rolling concrete mixing device A new concrete mixing device for mixing concrete as a user moves the device along a ground surface. The inventive device includes a rolling drum with one of the ends of the rolling drum having an opening into the interior of the rolling drum. The device a... | 02/26/2002 |
| 5964225 | Tobacco treatment cylinder and method A tobacco treatment system comprising a rotatable cylinder and a plurality of axially directed flights, with each flight having a forward side and a back side relative to the rotational motion of the cylinder, with both the forward and back sides being co... | 10/12/1999 |
| 5934800 | Portable cement mixer and method A portable mixer and method include providing a support frame having wheels and an opposite handle, an outer drum having a rotational drive mounted on the support frame, a rotatable drum, and a removable mixing container held inside the rotatable drum. A ... | 08/10/1999 |
| 5839824 | Concrete mixer A concrete mixer including a mixing shell and a void located therein for receiving material to form concrete. The concrete mixing mechanism having a first blade mechanism spatially orientated to have a pitch capable of moving at least a portion of the mat... | 11/24/1998 |
| 5816702 | Drum with internal static mixer A mixing vane is mounted interior of a drum having a plastic lining--preferably a vinyl lining. Preferably two mixing vanes covers a cylindrical solid angle of 240° while 120° remains unoccupied to permit convenient pouring of the contents from the barr... | 10/06/1998 |
| 5772317 | Counterflow drum mixer for making asphaltic concrete and methods of operation The counterflow drum mixer includes an elevated virgin aggregate inlet end and an opposite asphaltic product discharge end. A burner lies intermediate the ends and defines a combustion volume. Shield flights surround the combustion volume defining an annu... | 06/30/1998 |
| 5515620 | Method and apparatus of rotatable drum dryer with flights releasably secured in different orientations An apparatus and method for operating a rotatable drying drum are disclosed herein. The drying drum has a burner for generating hot gases of combustion for flow through the drum to dry aggregate. The drum includes identical drying flights each having a ge... | 05/14/1996 |
| 5492499 | Device for massaging a portion of meat A device for massaging a portion of meat, which device comprises a frame and a vessel supported in that frame and driven rotatably on a lying axis, said vessel has a longitudinal wall and two end walls, wherein agitation members are arranged in the vessel... | 02/20/1996 |
| 5470146 | Countercurrent drum mixer asphalt plant A drum mixer asphalt plant is provided with a rotatable cylinder 10 in which virgin aggregate, recycle material and liquid asphalt are mixed to produce an asphaltic composition and the hot gas stream for heating and drying the materials flow in countercur... | 11/28/1995 |
| 5429434 | Concrete mixer including a movable discharge chute assembly A horizontal drum concrete batch mixer comprising a cylindrical mixer drum which may be rotated in a mixing direction or a discharge direction. The interior of the drum has mixing blades provided thereon for mixing the concrete when the drum is rotated in... | 07/04/1995 |
| 5403085 | Process for introducing material into a treatment device In an apparatus for heating and mixing a particulate material composition, an elongated drum is supported for rotation on a frame and hot gases are supplied to the drum at an output end of the drum and directed toward an input end. An outer shell encircle... | 04/04/1995 |
| 5380085 | Concrete mixer with reciprocating discharge chute A horizontal drum concrete batch mixer comprising a cylindrical mixer drum which may be rotated in a mixing direction or a discharge direction. The interior of the drum has mixing blades provided thereon for mixing the concrete when the drum is rotated in... | 01/10/1995 |
| 5320248 | Mixing bucket and integral mold The mixing bucket and integral mold (10) has frustoconical walls (12), a bottom wall (14), a bottom rim (32) and top rim (24). A lid (16) closes and seals the bucket. A bail (28) is provided for lifting and carrying the bucket. A flange (38) that is integ... | 06/14/1994 |
| 5302017 | Rotating mixing drum with replaceable liner for mixing aggregate and binder A mixing drum unit for mixing a plastic resin and an aggregate includes a metal support drum and a plastic liner resting in the drum. An outer cover is secured to the drum overlying the outer end of the liner. The liner includes a cylindrical portion tele... | 04/12/1994 |
| 5261738 | Asphalt drum mixer with bypass for controlling the temperature of the exhaust gas A drum mixer which is useful in the continuous production of asphalt paving composition. The mixer includes a hollow drum which is mounted for rotation about an inclined axis, and the aggregate is introduced into the upper end of the drum so that as the d... | 11/16/1993 |
| 5259300 | Stirrer for food and cooking method A stirrer in the form of a stripe is installed on an inner wall of a cylindrical pot of food stirring apparatus, a width of a scrape-up surface is formed to be narrower from an opening side of the cylindrical pot toward a bottom thereof, and a projection ... | 11/09/1993 |
| 5118198 | Cement mixing apparatus with cradle support assembly An improved cement mixer having polyethylene cement mixing drum (20) held and supported by a cradle arm assembly (21) formed of cradle base support braces (23) and upright cradle arms (22) which interfit into crandle arm recesses (27) which are preformed ... | 06/02/1992 |
| 5073030 | Drum apparatus for mixing asphalt compositions In a dryer apparatus including an elongated rotatable drum having an input end and an output end, a burner for directing hot gases into the input end of the drum, and an aggregate feed mechanism for supplying aggregate particles into the drum adjacent the... | 12/17/1991 |
| 5054931 | Counterflow asphalt drum mixer producing less hydrocarbon emissions and a method used therein A counterflow drum mixer producing less undesirable hydrocarbon gases and capable of more efficiently drying virgin aggregate. The drum mixer has a rotatable drum with first end receiving virgin aggregate and second end removing combined aggregate, reclai... | 10/08/1991 |
| 5033863 | Method and arrangement of a flight attachment Flights in drums of drying and mixing apparatus are attached with bolts held by bolt cages disposed on inner surfaces of the drums. The bolt cages are formed of channels, the channel openings of which face the inner surface of the drums, and which channel... | 07/23/1991 |
| 4973167 | Continuous concrete mixing apparatus Apparatus for mixing cement, aggregate and water to form concrete includes a drum having an axis, an interior face and an exterior face; apparatus for rotating the drum; and a plurality of vanes for directing the associated cement, aggregate and water to ... | 11/27/1990 |
| 4963032 | Drum for tilt mixer An improved tiltable rotating concrete mixing drum has a relatively flat rear conical charging zone, a front conical zone having a central discharge opening for discharging materials when mixed and a generally cylindrical central zone disposed between fro... | 10/16/1990 |
| 4940334 | Reverse flow mixing method for direct-fired asphaltic concrete drum mixers A reverse flow post-mixer attachment for direct-fixed asphaltic concrete mixers includes a modified discharge box for the downstream end of the drum and an enclosure for the downstream portion of the drum forming a passage along the exterior of the drum. ... | 07/10/1990 |
| 4813784 | Reverse flow post-mixer attachment and method for direct-fired asphaltic concrete drum mixers A reverse flow post-mixer attachment for direct-fixed asphaltic concrete mixers includes a modified discharge box for the downstream end of the drum and an enclosure for the downstream portion of the drum forming a passage along the exterior of the drum. ... | 03/21/1989 |
| 4802139 | Apparatus for producing a heated reproduction asphalt mixture Disclosed are a method of and an apparatus for producing a heated reproduction asphalt mixture, in which a new material and a normal-temperature waste material, the water content of which is set at a limited range of values, are adapted to be mixed togeth... | 01/31/1989 |
| 4756623 | Collapsible mixing drum A collapsible mixing drum is provided in which two similarly contoured, frustoconical members, one of which is open and the other closed at the small end, and both of which are provided with a plurality of circumferentially spaced and inwardly offset stif... | 07/12/1988 |
| 4634284 | Hand-operated mixing device A hand-operated mixing device is provided in which a mixing drum, having an open end, a closed end and divergently tapered circumferential walls extending from the ends to an enlarged diameter portion intermediate the ends, an annular groove at the outer ... | 01/06/1987 |
| 4525070 | Rotary mixing apparatus A mixing apparatus for dry or wet ingredients is disclosed, which comprises an upwardly inclined trackway, and a mixing container mounted for rolling movement along the trackway. The trackway includes a scale at the lower end which permits the container a... | 06/25/1985 |
| 4522498 | Asphaltic concrete recycle apparatus and method An apparatus for recycling asphaltic concrete comprises an elongated rotatable drum in which composition is introduced at a first end and recovered at the opposite second end, and having a burner extending into the drum so that the burner nozzle is locate... | 06/11/1985 |
| 4521116 | Mixing apparatus with removable drum liner Improved apparatus for mixing concrete or the like is described and includes a support frame, a rotational drive mounted to the frame, a drum liner support rotatably connected to the rotational drive and a drum liner connected to and supported by the drum... | 06/04/1985 |
| 4491415 | Rotary drum mixing device A light weight, inexpensive rotary drum mixing device is provided in which an essentially pear shaped drum, open at the small end and having an axially elongated socket at the large end, is rotatably supported on a unitary base having a transversely exten... | 01/01/1985 |
| 4480922 | Recycling apparatus for particulate asphaltic concrete An improved recycling apparatus for particulate asphaltic concrete comprises a rotatable drum in which the particulate composition is gradually heated between an input end and an output end having a retractable chute extending into a port at the output en... | 11/06/1984 |
| 4462690 | Apparatus for the production of applicable coating _material for coating milled-off or peeled-off road surfaces The invention relates to a process and an apparatus for the production of applicable coating material for coating road surfaces, by which the old coating material together with aggregates and/or new coating material is mixed in a mixer device provided on ... | 07/31/1984 |
