In 1608, Dutch eyeglass maker Hans Lipperhey filed the first patent for a working telescope. The patent was denied.
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| Number | Title | Issue Date |
| 7390396 | Catalyst injection system with pressure control The invention is a catalyst injection system and method for injecting catalyst. In one embodiment, a fluid catalytic injection system includes vessel configured to store one or more catalysts, a pressure transmitter, a pressure control valve, a discharge valve, and ... | 06/24/2008 |
| 7291297 | Injection molding method and apparatus for continuous plastication In a reciprocating (RS) injection unit environment, as shown in FIG. 1, a controller of the injection unit is arranged to continuously rotate the screw during both conventional plasticizing operation and shot injection. In this way the RS unit is more efficie... | 11/06/2007 |
| 7273016 | Variable speed drive for agricultural seeding machines An agricultural seeding machine includes a mechanical drive; a seed meter including a driven shaft; and a planetary gear set. The planetary gear set includes an input shaft connected with the drive, an output shaft connected with the driven shaft, a ring gear, and a... | 09/25/2007 |
| 7267061 | Opposed inductor improvements The inductor assembly of the present invention is configured with an agricultural implement to enhance conveyance of product from a storage hopper to a remote location. The inductor assembly includes an inductor chamber that defines an interior cavity configured to ... | 09/11/2007 |
| 7258070 | Opposed inductor improvements The inductor assembly of the present invention is configured with an agricultural implement to enhance conveyance of product from a storage hopper to a remote location. The inductor assembly includes an inductor chamber that defines an interior cavity configured to ... | 08/21/2007 |
| 7140310 | System and method for distributing multiple materials from an agricultural vehicle A system and method for distributing multiple types of seed, fertilizer or other materials from an agricultural vehicle is disclosed. The system includes first and second sources holding the first and second materials, respectively, a plurality of distribution units... | 11/28/2006 |
| 7093547 | Opposed inductor improvements The inductor assembly of the present invention is configured with an agricultural implement to enhance conveyance of product from a storage hopper to a remote location. The inductor assembly includes an inductor chamber that defines an interior cavity configured to ... | 08/22/2006 |
| 6951294 | Laundry detergent dispenser A laundry detergent dispenser includes a housing that has a bottom wall, a front wall, a back wall, a first side wall and a second side wall. The front wall has a first compartment and a second compartment extending therein. A container is mounted within the housing... | 10/04/2005 |
| 6938564 | Method and system for concentrating chemical granules around a planted seed A system or method for dispensing seeds and chemical granules, in which chemical granules are dispensed through a granule tube into a seed dispensing tube, where the granule tube is connected to the seed dispensing tube at a location above a lower opening of the see... | 09/06/2005 |
| 6932245 | Dispensing canister A dispensing canister and method for reducing dose fluctuation and improving evacuation in the dispensing of a pulverulent material such as beverage-forming or food-forming powder. The dispensing canister has a reservoir having an inlet and an outlet and defining a ... | 08/23/2005 |
| 6905048 | Volumetric solid and liquid dispenser A volumetric solid and liquid dispenser includes a drum sized for receiving and containing a predetermined volume of solid material from a solid material supply source. The supply source can be a hopper positioned above the drum. The drum is rotatably mounted to a s... | 06/14/2005 |
| 6349852 | Cold beverage refill system A cold beverage dispensing system for chilling a beverage such that at least a portion of the beverage includes a frozen component. The system includes a beverage hopper or tank for retaining a quantity of beverage and a chilling assembly communicating wi... | 02/26/2002 |
| 6324965 | Bypass mechanism for bulk ingredient beverage dispenser A bypass chute is included with a bulk ingredient beverage brewer/dispenser such that bypass chute accepts an alternative ingredient directly from a user. In conventional operation, a bulk ingredient is moved through a guide and into a brew device chamber... | 12/04/2001 |
| 6098847 | Apparatus for feeding a flowable particulate material into a proportioning apparatus A feeding apparatus for feeding at least one ingredient of a free-flowing bulk material to a proportioning apparatus, the proportioning apparatus having a separate hopper scale for each ingredient, the feeding apparatus being disposed above the proportion... | 08/08/2000 |
| 6010035 | Dispenser for particulate material An improved granulator-dispenser apparatus including: an evaporator having a hollow, semicylindrical shell with a casing for an expanding refrigerating gas; a rear bracket fastened to the casing for housing a motor having a spin axle coupled to a transmis... | 01/04/2000 |
| 5988236 | Multiple syringe pump assembly for liquid handler A multiple probe liquid handler includes a syringe pump assembly with multiple syringe pumps communicating with the probes. A carriage movable with respect to a fixed support base carries syringe pump pistons moving within syringe pump cylinders secured t... | 11/23/1999 |
| 5810206 | Device for measured removal of flowable material An adsorption medium reactor has a plurality of removal hoppers for removing flowable adsorption medium from the reactor. Each one of the removal hoppers has at least one removal opening. A common collecting funnel is arranged below the removal openings o... | 09/22/1998 |
| 5697527 | Dispensing Apparatus A machine for dispensing a plurality of ingredients includes stepped arrays of canisters providing a source of materials. The bottom ends of the canisters are generally coplanar, and are positioned immediately above a low profile drive train mounted on a ... | 12/16/1997 |
| 5433519 | Method and apparatus for the application of mortar or concrete by spraying A method and device for the application of mortar or concrete by spraying, wherein a quick-acting binding agent mixed with an admixture is transferred to a spraying-nozzle by a pneumatic conveyor where water is added, wherein the binding agent is added mi... | 07/18/1995 |
| 5312020 | Drink machine for selectively preparing and dispensing beverages The invention provides a drink machine for preparing and dispensing different hot and cold beverages. It comprises a plurality of beverage powder stock containers, each container being equipped with a feeding worm. Gearing units assigned to each stock con... | 05/17/1994 |
| 5148943 | Method and apparatus for metering and blending different material ingredients A plurality of individual plastic material ingredients are metered from respective individual material hoppers at controllable individual discharge rates, blended, and delivered to a common hopper. The blend of plastic material ingredients in the common h... | 09/22/1992 |
| 5095955 | Process and a device for the filling of doughy filling material into receptacles To fill receptacles (2) uniformly, without air inclusions and without soiling, the filling material is pressed into the continuously enlarging space between the receptacle bottom and a counter-bottom attached to the end of the filling head (1) facing the ... | 03/17/1992 |
| 5064099 | Feeding device for particulate materials A particulate material feeder includes a hopper sectioned into two receptacles for accommodating two different kinds of particulate materials. Each particulate material falling down through a bottom opening of the receptacle is introduced into a feed chan... | 11/12/1991 |
| 4974751 | Dual coffee, cream or product dispenser assembly A dual hopper coffee cream or product dispenser assembly which has two chambers in which spiral augers are mounted so as to selectively dispense one of two products. Agitators of generally gear-shape configuration are mounted in the hoppers and are driven... | 12/04/1990 |
| 4911332 | Cream and sugar dispenser A sugar and cream dispenser for an automatic coffee machine which prevents coffee or sugar from being dispensed into cups where the customer does not desire cream or sugar. The cream and sugar chutes are provided with moveable doors which are closed excep... | 03/27/1990 |
| 4779765 | Fertilizer divider for dual air system A dual air system for separately conveying fertilizer and seed in an implement such as an air drill or air seeder which includes an adjustable divider arrangement for providing a small amount of starter fertilizer to be placed with the seed. The total fer... | 10/25/1988 |
| 4757918 | Spreading apparatus The spreading apparatus has a main hopper and at least one extension hopper, each having a discharge roller for flowable material such as chippings for road surfacing. The extension hopper is mounted adjacent the main hopper and movable longitudinally to ... | 07/19/1988 |
| 4651862 | Dual temperature beverage dispenser with removable operating module A dual temperature beverage dispenser for providing a variety of beverages, both hot and cool from a small, high capacity, coin-activated unit. The dispenser includes a removable operating module which can be stored for safekeeping separate and apart from... | 03/24/1987 |
| 4565451 | Method and apparatus for combining granular components A method and apparatus for combining granular components. The granular material, in finely divided form, is moved from spaced-apart locations into flight paths or trajectories which overlap or cross one another. The mixing of the components first takes pl... | 01/21/1986 |
| 4512359 | Valve mechanism with replaceable seal rings A gate valve mechanism is provided which is especially designed for use as a hot tap valve. The valve incorporates a fabricated valve body having internal seat rings with circular elastomer sealing elements disposed within circular sealed grooves formed t... | 04/23/1985 |
| 4508243 | Seed meter assembly A meter assembly for a grain drill or seeder or similar implement. The meter assembly is hinged at one end to the implement and held in place by over center latches. To inspect and service the meter assembly and to empty the material containers, the latch... | 04/02/1985 |
| 4207046 | Tamale machine A machine for extruding tamale filling having a small tank suitable for meat or bean filling and a larger tank specifically designed for masa dough. Each of the tanks are enclosed containers into which is fitted a floating piston above the ingredients. Ai... | 06/10/1980 |
| 4196730 | Liquid drug dispenser A liquid dispenser has a transparent frame which houses a rotatable mounting assembly of a plurality of mounted liquid compressible containers having needle discharge outlets having covering caps to block liquid flow. A control unit can be operated so tha... | 04/08/1980 |
| 4117954 | Metering device for bulk materials, more particularly constituents of animal foodstuffs A plurality of metering conveyors for individual constituents of a mixture is arranged in conjunction with a single discharge conveyor. A drive means comprising a motor and transmission means simultaneously drive the discharge conveyor and is successively... | 10/03/1978 |
| 4037759 | Seed planting machine A planting machine having a driven agitator mechanism (7) in the seed hopper (10) which has outlet openings (3) for the seeds, is provided with a magazine (12) disposed over the agitator mechanism (7) for holding seed disinfectant. The magazine (12) has o... | 07/26/1977 |
| 3973758 | Conveying and mixing apparatus A mixing and conveying apparatus for dry materials, such as granules and powders, which mixes these materials uniformly in desired proportions and conveys them after mixing to desired elevated locations such as feed or storage containers, or the intakes o... | 08/10/1976 |
| 3963149 | Granular material conveyor The specification discloses a conveyor apparatus for combining programmed amounts of materials. The apparatus includes a conduit horizontally supported by a frame. The conduit has a plurality of inlet openings along the side for receiving the materials to... | 06/15/1976 |