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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 |
| 7354009 | Sewage pump A sewage pump includes a motor, a main shaft, an upper impeller, a lower impeller, a grinding wheel, a top cap, an upper bearing base with an upper mounting plate, an upper bearing base, a tube body with a wire inlet connector, a lower bearing base, a lower bearing ... | 04/08/2008 |
| 7261248 | Spray nozzle A spray nozzle that includes a nozzle body defining a first surface, a cap defining a second surface able to define an annular nozzle opening therebetween, and a turbine having a plurality of radially extending fins circumferentially positioned about the nozzle open... | 08/28/2007 |
| 7237736 | Grinder pump with self aligning cutter assembly A grinder pump with a self aligning cutter assembly, the grinder pump having an inlet port, a drive shaft and a cutter assembly, the cutter assembly comprising a rotary cutter and a stationary, annular cutter. The rotary cutter is supported for rotation by the drive... | 07/03/2007 |
| 7080797 | Pump impeller and chopper plate for a centrifugal pump A centrifugal pump of the chopper type is disclosed which is structured with a chopper plate and impeller that are configured with an open eye or “hubless” arrangement such that processing of solids through the pump does not result in clogging of solids at or ne... | 07/25/2006 |
| 6969018 | Sanitary shredder A sanitary shredder includes at least a channel feeding water into a caisson (1), an electric motor whereof the axis has at its end a rotor pump (5) with blades (6), and shredding elements opposite the shredding chamber (3) provided with ... | 11/29/2005 |
| 6402065 | Method and apparatus for lysing sludge and dividing solids in liquid suspension Apparatus and system to mechanically lyse microbial cells and disintegrate particulate in liquid and recycling the lysed cells, cytoplasm and particulates to the aeration system of a wastewater treatment plant. The method of lysis is cavitation and imping... | 06/11/2002 |
| 6186426 | Comminution and distribution device for comminutable, pumpable materials The comminution and distribution device according to the invention can be used to crush comminutable, pumpable materials, in particular mechanically dewatered slurry, into roughly the same sized pieces, and feed them in controllable quantities to a downst... | 02/13/2001 |
| 6010086 | Grinder pump A grinder pump includes a pump assembly, a grinder mechanism, and a motor disposed between the grinder mechanism and the pump assembly. A shaft of the motor is operably attached at one end thereof to the grinder mechanism and at the other end thereof to t... | 01/04/2000 |
| 5782605 | Impeller for separating a conveyed stream of material An impeller is for separating a conveyed stream of material. The impeller has a central rotatable hub with a plurality of blades extending radially therefrom. The hub and blades form a number of generally wedge-shaped material receiving spaces within the ... | 07/21/1998 |
| 5699970 | Meat-comminuting machine with improved vacuum discharge mechanism A discharge mechanism for meat-comminuting machine is disclosed, which comprises a housing structure and a discharge rotor. The housing structure defines a discharge chamber adapted to receive meat comminuted by the meat-comminuting machine, through a fro... | 12/23/1997 |
| 5439180 | Readily installed universal sewage grinder pump An integral, readily installed, universal pump assembly has an integral, liquid-tight outer housing for supporting within a single liquid-tight containment vessel an electric motor driven pump, and discharging liquid from a discharge outlet of the pump. T... | 08/08/1995 |
| 5332163 | Motor-driven machine A motor-driven machine with integrated suction duct removal of chips drawn or sucked into the machine, comprising: a drive motor; a suction removal fan including a fan wheel connected to and driven by the drive motor, the fan wheel having a plurality of b... | 07/26/1994 |
| 5302082 | Improved efficiency grinding pump for slurry A grinding pump for pumping liquid containing solid and semi-solid matter having an improved efficiency and which requires a lower operating rpm while exhibiting an increased flow rate. The pump includes: a housing having a chamber; a shaft rotatably disp... | 04/12/1994 |
| 4795102 | Dishwasher pump with particle cutter A bidirectional dishwasher pump includes a particle cutter adjacent the ingress to the drain pump cavity. The particle cutter is associated with the pump drive shaft and includes a primary edge portion and a secondary edge portion. Rotation in a first dir... | 01/03/1989 |
| 4747550 | Grinding mill with multiple milling sections A grinding mill containing a plurality of milling sections and composed of: a single cylindrical stator common to all milling sections; a rotor mounted in the stator for rotation about the longitudinal axis of the stator and having a plurality of milling ... | 05/31/1988 |
| 4637785 | Rotary pump with cutter device for contaminated fluids Apparatus for handling of fluids contaminated by solid objects and/or being partly solidified comprises a displacement pump of the screw type, as well as a cutter device driven by the pump shaft. The cutter device comprises a cylindrical drum with a numbe... | 01/20/1987 |
| 4604035 | Submersible pump having frangible drive connection A submersible motor pump assembly having an improved driving connection between the motor and pump. The motor shaft and pump shaft are disposed in end-to-end relation and a bolt extends through an axial passage in the pump shaft and the projecting end of ... | 08/05/1986 |
| 4434943 | Pump intake cutter head The present invention relates to improvements in the pumping of a slurry of aquatic growths being removed from lakes, rivers, canals and other waterways wherein final comminuting of the growth takes place directly adjacent the inlet impeller of the pump t... | 03/06/1984 |
| 4391413 | Apparatus for breaking articles An article breaking device, particularly a glassware breaking device for making cullet, is described. The articles to be broken pass down a chute into a downwardly open chamber. Within the chamber is a rotating member which is not circular in horizontal c... | 07/05/1983 |
| 4222528 | Mill A mill comprising a case with a longitudinal flow passage; an annular milling ring with a plurality of circumferentially spaced radially inwardly projecting teeth fixed in the flow passage; a substantially disc-shaped rotor arranged centrally within the r... | 09/16/1980 |
| 4145008 | Waste material pumping apparatus A waste material distribution system including a holding tank, a self-priming centrifugal pump located above the liquid level in the tank having its suction inlet connected to a vertical drop pipe, a cutter plate having flow ports therethrough at the mout... | 03/20/1979 |
| 4141510 | Material reduction means for pumps A pump adapted to ingest, reduce and deliver combined fluid and solid materials. The pump includes a centrifugal pumping means with a volute chamber, central inlet opening, a substantially tangential outlet opening and a vaned rotor within the chamber; a ... | 02/27/1979 |
| 4108386 | Grinder pump A pump for grinding materials contained in a liquid includes a comminutor located at the pump inlet to grind the material as it passes therethrough and into a pumping chamber. The pumping action is created by an impeller which communicates with the pumpin... | 08/22/1978 |
| 4076179 | Centrifugal sewage pump This invention relates to a centrifugal sewage pump of a torque flow type having a hollow depressed backward curve in front of a shroud of an impeller, in which an outer periphery portion of a vane is projected into a water passage for the purpose of impr... | 02/28/1978 |
| 3982700 | Mixing devices A mixing device comprising cooperating rotor and stator elements wherein a stator blade is arranged at the inlet to the stator element for cooperation with an axially outer end of at least one rotor blade. In use, fibrous material which is drawn into the ... | 09/28/1976 |
| 3981456 | Food particle macerating means A pump and motor assembly for a dishwasher including a food particle macerating means having a cutting arm attached to a helically-wound column. The cutting arm coacts with a grid-like grading element to macerate food particles to reduce them to a size wh... | 09/21/1976 |
| 3976252 | Chopping machine A rotatable machine for chopping or comminuting lumps, curds or chunks of material into particles or pieces of acceptably smaller size adapted for permanent installation in a liquid flow line. Includes an internal chopping combination of rotatable and sta... | 08/24/1976 |
| 3972483 | Pumping and pulverizing apparatus Pumping and pulverizing apparatus for liquids containing solid materials includes a housing defined by a cylinder of revolution having an inlet opening at one end in alignment with the axis with a rotor mounted at the opposite end of the housing on a shaf... | 08/03/1976 |
| 3971513 | Dredge pump Dredge pump, comprising a volute pump casing, with a lateral, round suction opening and with an outlet. In this pump casing an impeller is mounted which consists of a front plate, a back plate and two blades connecting the front plate and the back plate t... | 07/27/1976 |
| 3961758 | Centrifugal pump with integral grinder A submersible device for pumping liquids and liquid slurries and for concurrently grinding and comminuting solid and semi-solid material contained in the liquid product to be pumped. The device is generally located in a reservoir containing the liquid pro... | 06/08/1976 |
| 3948450 | Valve-less pump for liquid manure A liquid manure pump which, without the use of valves, can alternately be used for agitating and mixing liquid manure in a pit and for discharging liquid manure from the pit into a tank or vehicle for transport. The impeller of the pump is ordinarily driv... | 04/06/1976 |
