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"That’s an amazing invention, but who would ever want to use one of them?"
President Rutherford B. Hayes ; Said in 1876, after Alexander Graham Bell demonstrated the telephone to him at the White House
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| Number | Title | Issue Date |
| 7108824 | Method and apparatus for molding plastic materials with a metallic appearance An apparatus and method for molding plastic materials is provided comprising a mold having a first mold section (12) and a second mold section (14) with a mold cavity (16) disposed in between. A first gate design is provided by at least one firs... | 09/19/2006 |
| 7011292 | Bi-leaved valve apparatus Bi-leaved valve apparatus for controlling bulk material flow from a bulk material metering apparatus. A bi-leaved valve apparatus comprises a cylindrical flow tube defining an axial material passageway, an outlet and a flow tube actuation surface. A valve support is... | 03/14/2006 |
| 6901972 | Capsule filling device and method of operation A device and method of operation for filling medicine capsules, in which a fixed quantity of open capsules to be filled are supported in a circular array by a holder plate beneath the periphery of a rotatable distribution drum. In use, a measured supply of filling m... | 06/07/2005 |
| 5881925 | Atomizer of reciprocating pump type In the reciprocating pump P, the pressure chamber 30 is formed by an atomizing tube 15, a piston 28, and a cylinder 20. The pressure chamber 30 has a check valve 24 that opens and closes the inlet of the said pressure chamber 30 and a ball-shaped stirring... | 03/16/1999 |
| 5395227 | Adjustable powder flow gate for a rotary pellet press An adjustable powder flow gate for a rotary pellet press has a movable gate wherein one dimensional motion of the gate across an opening in a powder flow feed frame on the rotating turret of the press is effected with a rotatable shaft having a screw conn... | 03/07/1995 |
| 4880150 | Filling machine for dispensing particulate material A filling machine for repeatedly dispensing predetermined amounts of particulate material comprises a stationary hopper having two spaced-apart spouts; a motor-driven horizontally rotatable upper plate beneath the spouts and having four groups of receivin... | 11/14/1989 |
| 4793511 | Seed meter having seed disk aperture cleaning wiper and brush arrangement In a seed meter in which individual seeds from a seed mass within a first chamber on a first side of a seed disk rotatably mounted within a housing are transported by at least one circumferential row of apertures within the seed disk to a separate seed di... | 12/27/1988 |
| 4668478 | Vertically positioned transfer system for controlling and initiating the flow of metered amounts of solid materials A transfer system for controlling and initiating the flow of metered amounts of materials which may be radioactive ash, radioactive calcined salts, cement, flour, or pharmaceuticals comprising a vertical non-converging conduit which acts as a storage hopp... | 05/26/1987 |
| 4407436 | Metering and/or feeding device for materials A metering and/or feeding device for materials is disclosed. A plurality of vertically oriented, elastic-walled tubes are arranged at equal distances from the axis of a rotatable helical rod which, as it rotates, sequentially engages and constricts each o... | 10/04/1983 |
| 4376601 | Material conveyor A device for conveying measured amounts of material which includes a rotating induction wheel having a plurality of elongate open-ended chambers defined therein and a pair of wipers arranged to remove excess material from the chamber ends. Brackets seal t... | 03/15/1983 |
| 4157148 | Modified feed frames for tableting machine A multiple compartment feed frame for supplying powder to the dies of a tableting machine, wherein a relief opening is provided in the leading compartment to permit excess powder to escape therefrom and be subsequently introduced either into a trailing co... | 06/05/1979 |
