Celebrity Inventors
Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
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| Number | Title | Issue Date |
| 7230037 | Method for mixing a polyol component and an isocyanate component The present invention relates to a method for the continuous mixing of at least one polyol component and at least one isocyanate component and optionally additives to form a polyurethane reaction mixture in a stirrer mixer with an axially conveying stirrer. ... | 06/12/2007 |
| 7036974 | Mixing device for extruders A mixing device comprises a cylindrical body (14) to be terminally engaged with an extrusion screw (2) and carrying at least one primary mixing thread (15) and at least one secondary mixing thread (16) having a crest diameter (d3 | 05/02/2006 |
| 6817749 | Ice cream softening appliance A house appliance for making soft serve ice cream comprises a motor driven auger in a housing. The auger, which has spiral land, is contained in a work chamber having longitudinal grooves or longitudinal ribs upon which the lands ride. Recirculation and mixing of in... | 11/16/2004 |
| 6752530 | Mixer with helical feeder and recirculation scroll for preparing material for animal feeding A mixer for preparing feedstuffs and mixing pre-shredded forage with various feedstuffs and seed products for animal feeding, comprising a container body which internally accommodates a cylindrical helical feeder rotatably supported by the heads of the container bod... | 06/22/2004 |
| 6349570 | In-barrel wetting screw charger A wet batch material charging apparatus having a charger screw housing having a batch material inlet and a batch material outlet, a dry batch material supply device adapted to deliver a dry batch material through the batch material inlet, a rotatable char... | 02/26/2002 |
| 6193403 | Bucket mixer attachment for skid steer vehicle A mixer for particulate materials, such as soil, dirt, sand, concrete, lime, fertilizers, aggregate, and water, hitched to a skid steer motor vehicle has a bucket for accommodating the particulate materials. A pair of augers having opposite spiral flights... | 02/27/2001 |
| 6136246 | Screw extruder with improved dispersive mixing elements A screw extruder (10) having a barrel (18) which has a bore (26) defining an inner surface (44) and one or more extruder screws (28), positioned within the bore (26). The extruder screw or screws (28) include a central shaft (34) and one or more screw fli... | 10/24/2000 |
| 6015227 | Thermoplastic foam extrusion screw with circulation channels A foam extrusion assembly having a melt region wherein a plurality of material pellets are melted and mixed by a mixing assembly with a blowing agent introduced via an agent addition assembly. The foam extrusion assembly further includes a heat extraction... | 01/18/2000 |
| 5932159 | Screw extruder with improved dispersive mixing A screw extruder (10), including a barrel (18) having a bore (26) which defines an inner surface (24). At least one extruder screw (28) is positioned within the bore (26), each screw (28) further including a central shaft (34) and at least one screw fligh... | 08/03/1999 |
| 5816698 | Screw and plasticating apparatus and method A plasticating apparatus including a rotating screw having a helical flight disposed within and cooperating with the inner wall of a heated barrel. Solid resinous material is introduced to a helical valley extending between said flight to be heated and pl... | 10/06/1998 |
| 5592873 | Juice extractor A juice extractor comprising a grinding chamber provided with a pair of helical gears for crushing juice material and a compression chamber disposed beneath and communicated with the grinding chamber and provided with a pair of rotating spiral screws. The... | 01/14/1997 |
| 5549384 | Mixer with helically extending blades A mixer includes a vessel for storing materials to be mixed. The vessel has cylindrical inner walls. A beater assembly is rotatably mounted and centrally disposed within the vessel. The beater assembly includes a drive shaft and a plurality of helically e... | 08/27/1996 |
| 5476550 | Method and apparatus for extracting soluble and dispersible materials from products using a slotted scroll extractor A counterflow single-screw extractor includes a screw conveyor having a helical scroll formed from arcuate flight sections each having a plurality of elongated slots extending away from the direction of screw rotation and permitting the flow of effluent t... | 12/19/1995 |
| 5356281 | Screw-type resin injection apparatus for injection molding A screw-type resin injection apparatus for injection molding which includes a cylinder element having a cylinder chamber for receiving resin therein, and having, at an end portion, a nozzle for injecting the resin. A screw element is arranged within the c... | 10/18/1994 |
| 5321900 | Food and materials dryer A food and materials dryer having one or more cylindrical hollow rotary tunnels each consisting of an outer cylindrical shell and an inner lining cylinder. The inner lining cylinder has perforations and is mounted substantially concentrically within the o... | 06/21/1994 |
| 5267788 | Multi-screw, continuous mixing and kneading machine with polygonal kneading elements for plasticizable compounds Multi-screw, continuous mixing and kneading machine for plasticizable compounds with screws, which rotate in a housing and which penetrate the cylindrical housing section, enclosing the screw concerned, and exhibit feed and discharge zones and intermediat... | 12/07/1993 |
| 5260033 | Tubular mechanical reactor An apparatus for the direct fluorination of solid particles of polymeric resins capable of being fluorinated in which the solid particles are in contact with the gaseous phase of fluorine/dense carrier fluid in a tubular reactor with an internal mechanica... | 11/09/1993 |
| 5186840 | Process for treating sewage sludge A method of treating sewage sludge is provided, in which the sludge is mixed with an alkaline material in such a way as to provide intimate surface contact that enables the alkaline material to permeate even small particles of the sludge, and to deliver t... | 02/16/1993 |
| 5178461 | Mixing apparatus An agitator is disposed in the interior of a casing through which fluids to be mixed pass. The agitator is connected with a source of oscillation for oscillating the agitator in the axial direction. The inner wall of the casing includes a stationary vane ... | 01/12/1993 |
| 5064293 | Rotary kneading screw This invention relates to a rotary kneading screw installed in an extruder for kneading a synthetic resin such as polyester or vinyl chloride with a material such as calcium carbonate, talc, glass fiber or carbon fiber. The rotary kneading screw comprises... | 11/12/1991 |
| 5056925 | Extruder screws and method for accelerating melting in plasticating extruders Apparatus and method for use in a plasticating extruder of the type having an axially extending elongate barrel for preparing a plasticated material from solids introduced into the extruder wherein an axially extending screw conveyor continuously conveys ... | 10/15/1991 |
| 5044759 | Mixing process and screw extruders for carrying out the same Process for mixing products uses an extruder having one or more screws, rotating in a cylinder, to determine forward movement of the material. A backward flow of material is generated by means of a counterthreading whose lead is opposite to that of the ex... | 09/03/1991 |
| 4994223 | Extruder screw and method for the extrusion of thermally sensitive thermoplastic materials An extruder screw and a method for extrusion to achieve high output rates with thermally sensitive plastic materials and without thermal degradation problems involving the use of a single flight metering type extruder screw having an initial feed zone, di... | 02/19/1991 |
| 4981364 | Extrusion apparatus The apparatus is for the extrusion of thermoplastic and rubber-like materials, more particularly an apparatus which has a feed means or hopper adapted for hot or cold feed of the selected materials. The apparatus has an extruder screw-type forcing zone fo... | 01/01/1991 |
| 4957372 | Means for improving the uniformity-performance of cold feed rubber-extruders The increasingly high standards of consistency and uniformity demanded of cold feed rubber extruders are met by providing notches in the flights of the screw at least in the feed-inlet of the extruder. The notches are at a lead-angle greater than that of ... | 09/18/1990 |
| 4932223 | Auger construction for ice-making apparatus An auger-type ice-making apparatus includes a new and improved auger or auger assembly having one or more generally spiral flight portions with one or more grooves formed transversely across the outer edges of the flight portions. The grooves interrupt th... | 06/12/1990 |
| 4925313 | Mixing screw for extrusion and injection molding A plasticating screw having a mixing section comprised of two flow channels separated by barrier flights having axially spaced undercut sections and areas of compression and decompression in each channel. Inhomogeneities in the material being plasticated ... | 05/15/1990 |
| 4916920 | Rotor structure for juice cold temperature creamer Rotor body assemblies for use in a cold temperature cylinder to produce frozen confectionary made from fruit juices or similar liquids. Each assembly comprises a shaft on which are mounted hard plastic blades. The blades may be force fitted within a slot ... | 04/17/1990 |
| 4910973 | Portable ice cream machine A machine for making ice cream and the like, having a receptacle for receiving liquid ingredients to be used for making the ice cream. A mixing chamber is provided which has an egress from which the ice cream exits. A cooling chamber surrounds the mixing ... | 03/27/1990 |
| 4906104 | Agitating and supplying device and a mold for molding same A agitating and supplying device arranged in a powder developer cyclic path of a developing apparatus comprises a pairs of flanges, a plurality of first supplying members and a plurality of second supplying members, all supplying members being arranged be... | 03/06/1990 |
| 4846659 | Rotational screw for mixing A rotational screw for mixing synthetic resins with various additives, comprising a plurality of helically arranged mixing recesses provided consecutively, at specified mixing positions, in the peripheral areas thereof and communicated transversely of the... | 07/11/1989 |
| 4846054 | Apparatus for extracting fat from an animal material The invention relates to a process and an apparatus for extracting fat from an animal material in which according to the invention, the fat is continuously melted and then extracted by passing the animal material through two successive zones, namely a mel... | 07/11/1989 |
| 4790457 | Sanitary foodstuff dispenser with baffle A dispenser for dispensing solid snack foods and the like comprises a closed container defining a chamber adapted to be at least partially filled with a snack food. A measuring cup is mounted on the container for receiving a measured quantity of the snack... | 12/13/1988 |
| 4779989 | Transfer mixer assembly for use with an extruder screw of a polymer extruder or the like A mixer assembly for mixing fluid material in the bore of a barrel wherein the mixer assembly includes structure for mixing and pumping toward its outlet end the material fed thereto comprising a stator assembly fixed in the barrel having outer cylindrica... | 10/25/1988 |
| 4538917 | Screw extruder A screw extruder for mixing, homogenizing, and degassing highly viscous rubber mixtures and similarly acting thermoplastics. The extruder has mixing pins associated with the housing in the mixing and homogenizing zone, and degassing pins associated with t... | 09/03/1985 |
| 4525073 | Ice making apparatus An ice making apparatus including a machine for producing and harvesting a flake ice product and transferring said product to an ice extruding chamber in which the product is compressed into a hard column of ice that can be broken into ice chunks or "cube... | 06/25/1985 |
| 4480927 | Mixing apparatus and auger therefor A mixing apparatus in which parallel augers are located in a box. The upper mixing augers have specially shaped flighting which provides straight edges linked by corners rather than the conventional helical edge. The lower conveying auger is a helically e... | 11/06/1984 |
| 4401612 | Method and apparatus for extruding foam polymeric materials involving the use of an extrusion screw having spaced multiple flight mixing means thereon Cellular chlorinated polyvinyl chloride resin is made in an extruder that is characterized by a combination of multiple flights and a plurality of open slots in the mixing section to facilitate mixing of the resin and a blowing agent whereby a rigid therm... | 08/30/1983 |
| 4344580 | Fibrous material apparatus A device for dispensing loose, fibrous material comprising a housing having a reservoir disposed therein for containing the loose fibrous material to be dispensed. The housing has a passageway which extends from the reservoir through which the material is... | 08/17/1982 |
| 4201485 | Apparatus for proportioning and mixing powdered hardeners with liquid resins An apparatus for continuously mixing liquid resin and powdered hardeners in accurate proportions to produce adhesives is described. A mixing screw and tube lock into a mounting from which they may easily be removed for quick cleanout. The preferred screw ... | 05/06/1980 |
