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 |
| 7360639 | Hot rotary screw pump A screw feeder can be used to transport a high temperature particulate material. A housing contains the material within the screw feeder which includes an inlet and an outlet port. A screw is rotatably positioned within the housing to advance the material from the i... | 04/22/2008 |
| 7314131 | Elevating conveyor An elevating conveyor for flowable material comprises an inlet (14) and an outlet (20) at opposite ends of a tubular barrel (1) surrounding a helical elevating member (2). Elevating member (2) is restrained against rotation about a... | 01/01/2008 |
| 6763932 | Particulate material handling systems The particulate material handling system comprises a tube, an endless belt that passes through the tube and returns outside of the tube, and a flighting that is suspended a predetermined distance from the belt through the entire length of the tube. The distance may ... | 07/20/2004 |
| 6722491 | Feeder tube for bulk product A feeder tube for bulk product, including a tube in which there are inlet openings distributed along the length of the tube. A screw conveyer is disposed axially within the tube. The tube rotates about its axis, the screw conveyer rotates relative to the tube and th... | 04/20/2004 |
| 6193053 | Concentric auger feeder A concentric auger feeder with the larger diameter outer auger having a flighting direction opposite that of the small or inner auger installed in the core of the outer auger. The two screw conveyors are connected to a reversible motor drive by a reversin... | 02/27/2001 |
| 6152281 | Magnetic bulk feeder for electronic components There is disclosed herein an apparatus for bulk-feeding electronic components which utilizes magnetic force and a rotating feeder tube to properly orient the components for presentment to an automated pick-and-place machine. The apparatus comprises: (1) a... | 11/28/2000 |
| 5709296 | Feeder tube The invention relates to a feeder tube intended for bulk product, which comprises a cylindrical tube (2) in which there are inlet openings (8, 18) distributed along the length of the tube, a screw conveyor (3) disposed coaxially within the tube, rotating ... | 01/20/1998 |
| 5526920 | Gate closure for conveyor A flexible gate usable with grain transporting devices such as conveyor troughs or tubes. The gate is formed of a flexible material to be able to flex around the trough and is slid circumferentially around the bottom of the trough by an outside motor. The... | 06/18/1996 |
| 5396983 | Cleaning device, particularly for residual concrete reprocessing installations A cleaning device, in particular for residual concrete reprocessing installations has a trough having a trough wall, a rotor provided for cleaning the trough and having at least one end provided with a ring, guiding elements rotatably supporting the ring ... | 03/14/1995 |
| 5230431 | Vertical screening device with feeding screw A vertical screen device for a separator is disclosed. The screening device comprises a vertical cylindrical screen with a feed screw housed within the screen and cooperating with the screen. The feed screw is caused to rotate while the screen is held sta... | 07/27/1993 |
| 5129505 | Paper metering device A paper metering device is disclosed which is adapted for handling a flow of bulky and unmanageable paper such as newspapers or computer printouts and metering the paper into a manageable flow for delivery to further processing. The flow of paper is carri... | 07/14/1992 |
| 5105587 | Apparatus for surface treatment of workpieces Apparatus for surface treatment of workpieces has a rotary horizontal cage with inclined end walls and a set of elongated rod-shaped or bar-shaped components between the end walls. The end walls are rotatable in inclined carriers which cause them to act n... | 04/21/1992 |
| 5099985 | Unitary screw conveyor apparatus Screw conveyor apparatus fabricated from integrally molded plastic modules is disclosed. The apparatus includes a multiplicity of modules axially aligned and joined or bonded so as to provide a unitary plastic screw conveyor of a desired length. A plastic... | 03/31/1992 |
| 5076704 | Methods of and apparatus for blending and elevating materials A material blender includes an inclined, axially rotatable drum which is capable of executing multiple functions related to blending of materials including weighing and conveying the materials. The materials, such as agricultural fertilizers are loaded at... | 12/31/1991 |
| 5054657 | Sanitary bulk food dispenser with rotary cone feeder A dispenser for dispensing foodstuffs or other consumer products and the like comprises a base, a drive assembly having a drive handle, a container defining a chamber at least partially filled with foodstuffs or other products and a feed cone having an au... | 10/08/1991 |
| 5018318 | Apparatus for surface treatment of workpieces Apparatus for surface treatment of workpieces has a rotary horizontal cage with inclined end walls and a set of elongated rod-shaped or bar-shaped components between the end walls. The end walls are rotatable in inclined carriers which cause them to act n... | 05/28/1991 |
| 4984678 | Device for the separation and alignment of objects and a sorting installation for using same A device for the separation and alignment of objects of the packages, parcels or similar kind, including a conveyor for the parcels brought in bulk to the inlet and for discharging the same parcels separated and aligned at the outlet, which includes at le... | 01/15/1991 |
| 4852719 | Modular screw conveyor A screw conveyor composed of a plurality of modules mated end to end and of identical integrally molded construction. Each module is molded of a suitable plastic material and has integrally formed therewith a cylindrical body, a coaxially disposed tube wi... | 08/01/1989 |
| 4844232 | Installation for the surface treatment of workpieces An installation for the surface treatment of workpieces has a housing with a treatment chamber. The workpieces are conveyed through the chamber by an apparatus which continuously advances the workpieces while simultaneously tumbling the same. The apparatu... | 07/04/1989 |
| 4793467 | Apparatus for unloading bulk material A bulk material unloading apparatus comprises a vertical conveyor (10) and a horizontal conveyor connected thereto. A rotable feeder (13) is mounted at the feeding end of the vertical conveyor for feeding material thereinto. According to the invention, th... | 12/27/1988 |
| 4719933 | Machine for washing particulate workpieces Screws are delivered into the entrance end of a rotating horizontal drum and are advanced axially through the drum by an annular helical conveyor flight extending around and along the inner wall of the drum. During the advance, the screws are sprayed with... | 01/19/1988 |
| 4717014 | Screw conveyor A screw conveyor has a feeder device for promoting the supply of material to the screw, said feeder device and said screw being rotatable in opposite directions. The feeder device has blades (14, 15) which are curved in the manner of a trawl to draw in th... | 01/05/1988 |
| 4621726 | Sealing device for relatively rotating surfaces in a conveyor A sealing device for sealing between two relatively rotating cylindrical surfaces in a conveyor has its one cylindrical surface formed as a stationary wall portion in a transition housing and its other cylindrical surface formed as a cylindrical wall port... | 11/11/1986 |
| 4603774 | Vertical conveyor for bulk goods Use is made of a screw conveyor to supply and guide bulk material to a belt conveyor of the type having two or more belts which travel in face-to-face relationship and between which the bulk material is enclosed during conveyance. The screw of the screw c... | 08/05/1986 |
| 4467910 | Vertical conveyor for bulk goods Use is made of a screw conveyor to supply and guide bulk material to a belt conveyor of the type having two belts which travel in face-to-face relationship and between which the bulk material is enclosed during conveyance. The screw of the screw conveyor ... | 08/28/1984 |
| 4460286 | Centrifugal ball elevator for microballistic printer A centrifugal ball elevator for use in a microballistic impact printer or the like in which a hollow rotary member arranged on a generally vertical axis and having an inlet at the lower end and an outlet at the upper end is formed with an internal surface... | 07/17/1984 |
| 4391108 | Drum for a continuously operating laundry processing machine A drum for a continuously operating laundry processing machine is constructed from a number of individual elements. Each element consists of an upper and a lower portion having a surface of helical shape which defines part of the drum shell, and a surface... | 07/05/1983 |
| 4351627 | Device with screw conveyor for discharging bulk material A device for discharging bulk material so as to effect uniform descent of the bulk material. A rotary screw conveyor is surrounded by an elongated drum, the drum and the screw conveyor being rotated independently of each other and mounted for movement tog... | 09/28/1982 |
| 4343394 | Apparatus for handling fluent material Apparatus for pumping or conveying fluent material such as grain, sand, concrete, etc. is disclosed. The apparatus comprises a tube having an inlet at one end and an outlet spaced from the inlet and a pair of helical blades of opposite pitch mounted insid... | 08/10/1982 |
| 4266902 | Transport container A transport container of conventional parallelepiped form is disclosed, wherein the container includes a perforated drum and a worm conveyor inside of the drum for loading and discharging bulk material into and out of the container. The drum and the worm ... | 05/12/1981 |
| 4222502 | Meter and dispensing system for abrasive materials Accurate metering and dispensing of small quantities of abrasive material comprised of particles or powder, or both is accomplished by feed apparatus comprising a rotatable tubular member having a threaded interior surface for transporting the abrasive ma... | 09/16/1980 |
| 4220242 | Screw conveyor with intermediate bearing A screw conveyor for feeding solid granular material including a rotary shaft with a screw blade, a drum surrounding the screw blade and concentric with it, and a bearing supporting the shaft for rotation with respect to the drum at an intermediate axial ... | 09/02/1980 |
| 4156392 | Coal conveying system A wet coal drying apparatus is provided for use in conjunction with a coal burning furnace for drying wet coal prior to loading the coal into the furnace. The drying apparatus of the present invention comprises a first conveyor means for transporting the ... | 05/29/1979 |
| 4125437 | Distillation system Distillation system for distilling shale oil. Shale is inserted into a rotating retort which displaces the shale throughut the retort extended length. The rotating retort is mounted to a multiplicity of enclosed housings through rotative bearings. The enc... | 11/14/1978 |
| 4103605 | Meatball cooker A device for cooking meatballs has a frame supporting an open-ended drum for rotation on the frame about a substantially horizontal axis. The drum is open at both its inlet end and its outlet end and has for part of its length an outer wall together with ... | 08/01/1978 |
| 4077527 | Apparatus for dispensing and transporting fine materials An apparatus for transporting and dispensing fine materials comprising a rotating conduit with a nonrotating coil spring therein.... | 03/07/1978 |
| 4057225 | Screw feeder for granular material A screw feeder comprising a pair of augers of different diameters, coaxially and co-extensively arranged, which are driven by separate motors, one of which drives a mixing drum and auger of larger diameter, and the other drives the auger of smaller diamet... | 11/08/1977 |
| 4038013 | Spinneret apparatus with particulate material conveying means Apparatus is disclosed for extruding filaments from synthetic polymeric particulate material which is conveyed to the melting area by means including a cylindrical barrel having an internal wall provided with a screw thread, and a rotating member mounted ... | 07/26/1977 |
| 4014431 | Spiral tube conveyor An expandable and retractable conveyor system which comprises a main spiral-type tube conveyor which includes a cylindrical shell containing a screw element which is integral with the cylindrical shell and extends radially from said shell toward the cente... | 03/29/1977 |
| 4003115 | Method of making centrifuge conveyor A helical bladed conveyor for use in a centrifuge is provided with a wear-resistant outer foward edge by securing to the blade a thin band of metal having an upstanding marginal portion extending beyond the forward face and forming with it a cavity which ... | 01/18/1977 |
