Felix Hoffmann, a German chemist, was searching for something to relieve his father's arthritis. In doing so, he "rediscovered" acetylsalicylic acid and in 1900, patented a stable process for developing it. Hence, we have aspirin.
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| Number | Title | Issue Date |
| 7357899 | Reagent addition system and method A piston coupling for a micro-liter range liquid dispensing system for connecting a piston to a piston drive shaft generally includes a U-shaped body portion having a U-shaped arm and an annular barrel-shaped bearing seated in the U-shaped body portion and retained ... | 04/15/2008 |
| 7353850 | Dispensing device for drinks A dispensing device dispenses drinks or similar dosable liquid foodstuffs, especially coffee, milk, soft drinks or soups. The dispensing device includes an identification device for identifying a vertical height of a container for receiving the foodstuff and for emi... | 04/08/2008 |
| 7048157 | Metering machine A metering machine comprising a frame receiving a hopper, at least one duct opening out into the hopper in the vicinity of a bottom thereof and receiving firstly a portion of a transfer screw extending at the bottom of the hopper, and at least one metering cylinder ... | 05/23/2006 |
| 6748986 | Granular material dispenser A dispenser for granular material in predetermined doses is provided, including an upper part forming a reservoir for storing the granular material, and a lower part forming a base supporting a metering device, the upper and lower parts of the dispenser being separa... | 06/15/2004 |
| 6619340 | Liquid metering and filling lifter for containers A liquid metering and filling lifter for use with different kinds of containers (C) having different heights for moving the container (C) upward and downward with a stroke corresponding to the height of the container (C) in filling a liquid into the conta... | 09/16/2003 |
| 6550649 | Counter balanced effluence transfer system A counter balanced effluence transfer system for the transfer of effluence from a source container into a receiving reservoir comprises a receiving reservoir having a cover plate and a reservoir top opening, and a counter balanced mechanism located above ... | 04/22/2003 |
| 6119735 | Filling of tanks with volatile liquids A method of and apparatus for filling a volatile liquid into at least one tank (10) of a multi-tank installation having a vent-pipe (11A, 11B . . . 11F) associated with each tank, all of the vent-pipes being connected to a common vent manifold (13) throug... | 09/19/2000 |
| 5839486 | Fill system including a fill pump positioning system An apparatus for use in a filling system is provided. The apparatus includes a product filling machine having a top portion and a base portion. A conveyor is also provided for transporting containers to be filled in a conveying direction. The conveyor is ... | 11/24/1998 |
| 5758698 | Fill system including a valve assembly and corresponding structure for reducing the mixing of product and air during container filling A filling system for filling a container is set forth. The container to be filled has a bottom portion and a plurality of sidewalls defining a container cross-section. The filling system comprises a fill pipe having a product inlet and a product outlet, a... | 06/02/1998 |
| 5375632 | Compressed air aerosol bombs of improved type and apparatus for refilling the same The apparatus for refilling compressed air aerosol bombs, or sprayers, comprises a reservoir (2), for containing the active substance to be charged, in which is immersed a refiller tank (4) capable of containing a quantity of active substance not greater ... | 12/27/1994 |
| 5372167 | Filling machine A cylindrical housing 6 is secured to the bottom surface of an elevatable filling liquid tank 2, and a liquid injection pipe 16 is mounted on the bottom of the housing 6. An exhaust pipe 18 axially passes through the housing 6 and the liquid injection pip... | 12/13/1994 |
| 5333660 | Purified water dispensing apparatus and method An improved apparatus and method for self-service dispensing of purified water with enhanced efficiency and safety. Personal injury and property damage caused by inadvertent impact of the movable dispensing spout is prevented by use of an adjustable slip ... | 08/02/1994 |
| 5309955 | Process and device for adjusting the quantities of product dosed and dispensed by a doser-dispenser A process for adjusting the quantities of a liquid or paste food or pharmaceutical product dosed and dispensed by a doser-dispenser (20) in which the weight of at least every nth one of the recipients (101) filled by the same doser-dispenser (20) with a d... | 05/10/1994 |
| 5295523 | Adjustable stroke multiple package filling apparatus Package or container product filling apparatus that can easily be disassembled for cleaning and reassembled comprises a hopper and manifold to supply a plurality of package dosing filling tubes in turn insertable in multiple packages simultaneously. The m... | 03/22/1994 |
| 5273082 | Method and apparatus for filling containers A method and apparatus for filling containers with a liquid material. The filling machine has a plurality of filling elements that form filling stations. At least one filling station is provided with a flowmeter that cooperates with a control device. On t... | 12/28/1993 |
| 5246047 | Nozzle for dispensing products A nozzle for dispensing products, including viscous products, in a container has a longitudinally extending tube mounted to a frame in which the tube is reciprocated vertically in its longitudinal direction. The mounted tube has an inclined wall at its ba... | 09/21/1993 |
| 5209277 | Apparatus for non-damaging packaging An apparatus for the non-damaging packaging of a product whose consistency can be effected by outside influences, has at least one metering container that is rotatably supported in a housing. The housing has an inlet cross section, through which during th... | 05/11/1993 |
| 5195565 | Variable stroke lifter system A variable stroke lifter system for lifting a container so as to surround a filler nozzle for "bottom-up" filling thereof. The lifter system includes a pivotally mounted slide arm, a lift arm operatively connected to the slide arm for movement therewith, ... | 03/23/1993 |
| 5161585 | Liquid filling apparatus having a biased gas pipe mounted for a small range of movement The known liquid filling apparatus of the type including a housing, an annular liquid feed passageway, a liquid valve, a holding member and a gas pipe, is improved so as to facilitate cleaning of the interior of the apparatus, so as to be applicable to a ... | 11/10/1992 |
| 5159959 | Double feedback packing system for pasty material In a packaging system where a pasty material is dosed as portions into individual containers to form individual packages, at least one dimension of the portions is measured to produce actual-value outputs that correspond to the volumes of the respective p... | 11/03/1992 |
| 5086817 | Foam-suppressing apparatus for filling beer pitcher A device that holds a pitcher at a preselected angle of tilt while the pitcher is being filled with a beverage. Where beer is the beverage, the angle of tilt ensures that the beer will flow down the inner side walls of the pitcher, thereby suppressing the... | 02/11/1992 |
| 5082032 | Volumetric packaging apparatus for frozen food and method Apparatus and method for packaging frozen food includes positioning a stationary hopper above a rotating plate having spaced openings receiving frozen food from the hopper and directing same into spaced vertical cylinders of predetermined volume preparata... | 01/21/1992 |
| 5080148 | Volume adjustment device for a filler A volume adjustment device for a filler is disclosed which simultaneously permits rough adjustment of a plurality of pistons within product cylinder and also permits fine volumetric tuning of each piston for precisely measuring predetermined volume of flo... | 01/14/1992 |
| 5067531 | Bench top container filler A bench top volumetric container filler is provided and consists of a mechanism to pump a predetermined amount of fluid from a reservoir into a container by using a volumetric piston pump operated by a vertical pump driving cylinder.... | 11/26/1991 |
| 5054529 | Filling car for a oven battery A filling car for filling coal into oven chambers of a coke oven battery comprises an immovable filling connecting piece mountable on a coal container, a filling pipe closely surrounding the connecting piece and having a lower end lowerable to a filling o... | 10/08/1991 |
| 5033518 | Fine adjustment for filling machine having piston differential pressure A filling machine wherein a lost motion mechanism is provided with a counteracting element to counteract forces between the driver and the filling unit to assure that the lost motion mechanism operates with lost motion. The counteracting element is provid... | 07/23/1991 |
| 5002103 | Apparatus for adjusting the volume of dippable hollow punch dosing devices A movable abutment plate (28) which is bound by common vertical guide to a vertical axis, an axially hollow turntable (9) carrying two sets of vertical dosing devices (V1V2) and a central cap-shaped screw (29) secured to the top end of bar (33) are provid... | 03/26/1991 |
| 4938260 | Pneumatic aerosol can filling machine An aerosol can containing a liquid propellant is placed on a can support platform (44). An operator actuated fluid control switch (84) provides pneumatic fluid or compressed air to a pneumatic cylinder (46) which continuously biases the aerosol can upward... | 07/03/1990 |
| 4899791 | Liquid level control apparatus Apparatus is provided for each can filler unit of a can filling machine comprising a support for holding a liquid level controller within a housing of the can filler unit and control apparatus operated from outside of the housing for moving the support to... | 02/13/1990 |
| 4830068 | Device for the simultaneous quantitative regulated filling of liquid or soft plasticized substances, such as butter, margarine, pastes or the like by means of nozzles into adjacently arranged containers A device for the simultaneous quantitative regulated filling of liquid or soft plasticized substances, such as butter, margarine, pastes or the like, by means of nozzles into adjacently arranged containers with the assistance of at least one control eleme... | 05/16/1989 |
| 4724875 | Trailer-mounted portable oil change and lubricating system for motor vehicles A vehicle-servicing trailer is attachable to a pulling vehicle for transporation to the intended servicing site, the trailer having a hydraulically controlled lift apparatus, ramps on opposite sides of the trailer for advancement of a vehicle to be servic... | 02/16/1988 |
| 4674547 | Container filling apparatus with adjustable pressure sealing means The container filling device includes a first piston slidably mounted within a first cylinder for raising and lowering a nozzle into and out of operative engagement with a container to be filled. A sealing ring is mounted on the lower end of the first pis... | 06/23/1987 |
| 4635688 | Method and apparatus for monitoring and controlling production line filling of receptacles with a predetermined weight of variable density material Each filling station comprises a balance (36) and a piston and cylinder volumetric dispenser (37). The piston rod (33) is actuated by a cam (34) which optionally includes a portion (341) which is adjustable. Resilient means (40) are interposed between the... | 01/13/1987 |
| 4569378 | Filling machine with tandem-operated diaphragm filling units An improved filling machine with tandem-operated diaphragm filling units is disclosed. The filling machine comprises a plurality of individual filling units operated in common from a common drive bar. Each of the filling units includes a cylinder, a flexi... | 02/11/1986 |
| 4485854 | Method and device for injecting a liquefied pressurizing gas into containers Containers 6, adapted to receive a product which does not of itself give off a gas, receive an amount of a liquefied pressurizing gas from a tank 1 provided with an outlet nozzle 3. The containers 6 are aligned on a machine 7 which conveys them, in the di... | 12/04/1984 |
| 4447382 | Apparatus for making foam carpet pad An apparatus for making a foam pad for carpets has features to improve the quality of the pad. The apparatus has a hopper section for receiving foam particles coated with heat activated bonding agent. An extruder section compresses the particles as they a... | 05/08/1984 |
| 4394877 | Waste fluid receptacle A waste fluid receptacle for receiving engine oil, transmission fluids, coolants, hydraulic fluids, and other service fluids normally employed in motor vehicles, is mounted on a support secured beneath a service vehicle and is movable between retracted an... | 07/26/1983 |
| 4182387 | Automatic filling machine A filling machine for filling several containers with predetermined amounts of a product in which the several filling units are actuated by a common driving member; the common driving member itself is actuated by two eccentric drive mechanisms each includ... | 01/08/1980 |
| 4000765 | Bottom-up container-filling machine A container-filling machine having a cut-off valve positioned above the container to be filled and a retractable filler spout movable down through said valve to the bottom of the container.... | 01/04/1977 |