...that on Dec. 15, 1836, the Patent Office was completely destroyed by fire? Lost were some 7,000 models, 9,000 drawings, and 230 books plus all records of patent applications and grants.
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| Number | Title | Issue Date |
| 7868260 | Apparatus and method for dispensing small quantities of particles There is disclosed an apparatus and method which is capable of dispensing very small (typically less than 5 mg) quantities of particles to a high accuracy in a repeatable way and without undue wastage. Also, the need for advanced particle formulation is reduced. The... | 01/11/2011 |
| 7358451 | Apparatus and method for dispensing small quantities of particles There is disclosed an apparatus and method which is capable of dispensing very small (typically less than 5 mg) quantities of particles to a high accuracy in a repeatable way and without undue wastage. Also, the need for advanced particle formulation is reduced. The... | 04/15/2008 |
| 7222750 | Transfer and dosing device of pulverulent or granular material contained in a hopper A dosing device of a pulverulent material uses an oscillating drive mechanism with straight to-and-fro movement to extract and dose a pulverulent material contained in a hopper with a calibrated outlet aperture, and then to transfer the extracted mass to a removal p... | 05/29/2007 |
| 7154055 | Method and apparatus for dividing portions An apparatus and method for continuously producing constant weight portions of semi-solid matter, such as bread dough, from a large mass through a dividing mechanism whereby portions are formed on a receptacle which receives the portion so that an accurate weight in... | 12/26/2006 |
| 7053317 | Hopper and weighing apparatus equipped with the same The object of the present invention is to provide a hopper having a simplified structure that can prevent fragments of component parts generated by vibrations and bolts, nuts, etc., that have fallen out of place from intermixing with the articles in the weighing hop... | 05/30/2006 |
| 6774318 | Removable material hopper assembly and method of using same to eliminate residual ingredient material A removable material hopper assembly for gravimetric batch blenders including a hopper, a metering assembly and a releasable securing assembly. The hopper is removable from the blender, and includes a metering slide gate that can be used to tightly seal off the bott... | 08/10/2004 |
| 6478162 | Weight sorter The invention provides a weight selecting apparatus capable of automatically performing calibration, and provides a weight selecting apparatus capable of certainly carrying objects to be inspected with a relatively simple mechanism and performing weight m... | 11/12/2002 |
| 6462288 | Metering device A metering device comprises a scale barrel, a weight part, and a shut mechanism. The scale barrel is composed of a stationary box plate and a movable box plate pivotally connecting with each other. At least a weighing platform is provided at an inner side... | 10/08/2002 |
| 6417464 | Extended range feeders An attachment for a feeder conveyor with the attachment comprising an angularly positionable gate that is angularly postionable within the trough of a feeder with the postionable gate having a secondary metering outlet so that when the postionable gate is... | 07/09/2002 |
| 6271486 | Weighing machines A hopper for a weighing machine which has a tubular body and a closing valve which is comprised of several plates which are pivotably mounted around the bottom of the hopper for movement in a plane transverse to the axis of the hopper. The plates are simu... | 08/07/2001 |
| 6188029 | Weighing apparatus having improved hopper detachability To simplify the structure of a hopper side of a weighing apparatus, brackets 24, 34 are fitted to gates 22, 32 of pool hoppers 8 or weighing hoppers 9 and rollers 28, 38 are rotatably provided on extensions 24a, 34a thereof. On a body B side of the weighi... | 02/13/2001 |
| 6121556 | Granular material weighing system A granular material weighing system intended primarily for weighing gunpowder, but which is not limited to this application. A volumetric powder measure is used to simultaneously dispense a previously weighed batch of granular material into its final cont... | 09/19/2000 |
| 6114636 | Apparatus for weighing small articles such as gelatin capsules The capsules or other products (1) are fed by a vertically arranged tube-shaped conveyor (4, 5, 10, 11, 12, 112, 13) in single file and taken up one at a time by a tangential wheel (16) which is fitted with reference teeth (18), with each tooth supporting... | 09/05/2000 |
| 5780779 | Granule gate and granule weighing machine incorporating the same A gate for supplying granule to and removing it from the other apparatus, Which comprises: a drive source (2); a fixed gate (6) having multiple feeder holes arranged such that granule can pass through; a movable gate (7) that is attached such that it can ... | 07/14/1998 |
| 5767453 | Combined metering apparatus This invention provides a combined metering apparatus in which the convey efficiency of a target metering object from an upper-stage hopper to a lower-stage hopper is improved. For this purpose, the direction in which a bottom plate 33 of a pool hopper 25... | 06/16/1998 |
| 5705776 | Food weighing apparatus An apparatus for weighing a softened solid rapidly and precisely, wherein no excessive force is exerted on, and no shock is given to, the load cell. The apparatus has a simplified structure including 1/4 cylindrical weighing containers so that the apparat... | 01/06/1998 |
| 5379923 | Hopper for a weighing machine A hopper for receiving and discharging product in a weighing machine has a construction comprised by a removable body shell and a supporting chassis. The shell has an opening at the top for receiving product to be weighed and an opening at the bottom for ... | 01/10/1995 |
| 5191947 | Weighing pan for weighing batches of products and a combination weighing machine equipped with a number of such weighing pans A weighing pan 17 for weighing subportions of products to be packaged batchwise, in particular for use in combination weighing of irregularly shaped and comparatively fragile commodities of fruits and vegetables. The pan has a discharge opening covered by... | 03/09/1993 |
| 5163525 | Weighing and gross bagging apparatus An automated gross bagging scale apparatus combining manual actuation of the feed gate and a mechanical trigger mechanism with digital scale and control components permitting easy conversion of a fully mechanical bagging scale to a digital scale. The comb... | 11/17/1992 |
| 4874048 | Loading and weighing structure for combination weighing machine A combination weighing machine structure including a feed hopper and an underlying weigh hopper, in which the weigh hopper has two chambers laterally partitioned side by side and the feed hopper is adapted to move laterally and selectively to above either... | 10/17/1989 |
| 4807711 | Weighing hoppers A weighing hopper (20) comprising: a body portion for containing articles; a port in the body portion; a door (21) pivotally connected to the body portion for rotation about a first axis (A) between a first position in which the port is closed by the door... | 02/28/1989 |
| 4705125 | Method of and apparatus for controlling hopper gate motion A hopper gate of a combinational weighing system is opened and closed by a stepping motor to which pulses are supplied according to a program prepared for a desired action mode such that fine control of the gate motion can be achieved.... | 11/10/1987 |
| 4660664 | Weighing pan and a combination weighing machine equipped with such pans The weighing pan comprises a pair of opposed sidewalls and at least one pivotable closure flap which is coupled to one sidewall in such a way that the pivoting movement of the closure flap between closed and open position is accompanied by a displacement ... | 04/28/1987 |
| 4606475 | Combination measuring apparatus The invention of this application relates to a combination measuring apparatus which includes a cone-shaped dispersion table positioned below a feed port into which the commercial products which are the objects being measured are charged; pool hoppers and... | 08/19/1986 |
| 4553617 | Article discharge apparatus in automatic weighing system An apparatus for discharging weighed articles from an automatic weighing system, having a plurality of hoppers for discharging batches of articles into a plurality of containers. A movable chute successively introduces batches of weighed articles, dischar... | 11/19/1985 |
| 4545446 | Hopper in combinatorial weighing apparatus A hopper for use in an automatic weighing apparatus, including a hopper body having a discharge port at a lower end of the hopper body, and a gate, swingably supported at an upper edge of the hopper body, for opening and closing the discharge port. The ga... | 10/08/1985 |
| 4544042 | Hopper door actuating apparatus for an automatic weighing apparatus A unit for supplying articles to be weighed is supported on a supporting platform above the central portion of an automatic weighing apparatus, a plurality of weighing machines are arranged on the outer periphery of the supporting platform, and a pluralit... | 10/01/1985 |
| 4522321 | Gate driving device An improved gate driving link mechanism is provided, this mechanism being originally designed for opening and closing a flapdoor type discharge gate of a weighing hopper of top-charge and bottom discharge type, used in a combination weighing device such a... | 06/11/1985 |
| 4393950 | Tare weighing apparatus and method therefor Disclosed is a system and method for the high-speed, cyclic batch weighing of a flowable material in which variations in initial scale weight are automatically compensated for. Measuring cycle time is minimized by overlapping the time required to achieve ... | 07/19/1983 |
| 4193465 | Scale hopper door mechanism A door mechanism for controlling flow of loose products, such as potato chips, from a scale hopper in a packaging machine comprises a hinged door, a spring biasing the door towards its closed position, an arm attached to the door, a cam follower carried b... | 03/18/1980 |