...that in 1800 ether was first used by partyers as a fun diversion? Sniffing the gas led to hilarious and raucous laughter as people watched each other become more and more intoxicated and silly. Several doctors independently realized the value ether would have to anesthetize surgery patients. Of those who claimed rights to the "discovery," none had a happy ending. One had a seizure and died defending his rights. Another spent his life in an asylum because he had been denied acclaim. A third became addicted to chloroform and, in a New York City jail, he soaked a cloth in the drug, severed an artery and bled to death.
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| Number | Title | Issue Date |
| 8181828 | System and method for storing and dispensing a powder A powder dispensing container is provided, the container divided into a powder storage chamber and a powder dispensing chamber with an opening between the two controlled by a valve mechanism. A cap or closure member is disposed over an upper open end of a powder dis... | 05/22/2012 |
| 7798374 | Process for producing crosslinkable compositions based on organopolysiloxanes In a process for producing crosslinkable organopolysiloxane compositions, in particular organopolysiloxane compositions which can be crosslinked at room temperature, the organopolysiloxane compositions are stored in a storage unit before being packed in moisture-pro... | 09/21/2010 |
| 7438203 | Dermal penetration enhancers and drug delivery systems involving same The invention relates to a method for treatment or prophylaxis of a disease or condition in an animal comprising administering to a mucosal membrane of said animal in need of such treatment a therapeutically effective amount of a drug delivery system comprising at l... | 10/21/2008 |
| 7389800 | Orientation-independent fluid delivery apparatus A fluid delivery device that may be used in any orientation is presented. The device includes a container, a first fluid in the container space, an inlet opening attached to a bladder, and an outlet opening. A second fluid enters the container through the inlet open... | 06/24/2008 |
| 7165357 | Japanese knotweed injector system A Japanese knotweed injector system for injecting a dose of weed-killing fluid into the stem of a Japanese knotweed, including a fluid dispenser system with a fluid passage, a collared needle with a fluid delivery aperture in communication with the fluid dispenser s... | 01/23/2007 |
| 7138783 | Actuator with control unit and method for operating said actuator The actuator and the method for operating the actuator comprise a drive unit and a drive mechanism with mechanical components that can be moved against each other as well as an electronic control unit. One of at least two components that can be moved against each ot... | 11/21/2006 |
| 7080936 | Wrap spring clutch syringe ram and frit mixer A wrap spring clutch syringe ram pushes at least one syringe with virtually instantaneous starting and stopping, and with constant motion at a defined velocity during the intervening push. The wrap spring clutch syringe ram includes an electric motor, a computer, a ... | 07/25/2006 |
| 6997286 | Method in and device for the manual lubrication of a plurality of lubrication points A method and a device for the manual lubrication of a plurality of lubrication points with a quantity of lubricant individually predetermined for each lubrication point. The lubrication points are provided with individual identification elements. Information on the ... | 02/14/2006 |
| 6969015 | Particulate sauce dispensing nozzle Embodiments of the present invention are directed to a dispensing nozzle for dispensing a sauce containing particulates which is configured to reduce clogging of the nozzle by the particulates. In one embodiment, a dispensing nozzle comprises a nozzle body having a ... | 11/29/2005 |
| 6601738 | Lubricant dispenser A lubricant dispenser comprising a housing, a lubricant supply container, a plunger, a telescopic hollow spindle, and an electromechanical servo-drive for changing the length of the telescopic hollow spindle. One end of the telescopic hollow spindle is fi... | 08/05/2003 |
| 6499515 | Gas cushion proportioning microsystem A gas cushion proportioning microsystem to proportion liquid volumes in the microliter and sub-microliter ranges, comprising a liquid reservoir including a storage space for the liquid being proportioned the boundary line of which is broken through by an ... | 12/31/2002 |
| 6010038 | Apparatus for the volumetric metering of substances and use of the apparatus In an apparatus for the volumetric metering of fluid, pasty and/or powdery substances, in particular for separating small amounts of substance from a delivery flow, by means of an adjustable-volume measurement chamber which is connected to a feed conduit ... | 01/04/2000 |
| 5931355 | Disposable rotary microvalve A novel motor controlled microvalve dispenser includes a body section through which fluid, e.g., adhesives, epoxies, fluxes solder pastes, for example, is accurately dispensed as a dot or bead or other shape, all of a predetermined dimension. The housing ... | 08/03/1999 |
| 5908144 | Coffee dispenser A coffee dispenser includes a housing with a bin for holding coffee and a base with an upright wall for supporting the bin over the base. The bin includes a hopper in the lower end with a dispensing opening therein for dispensing coffee to a coffee filter... | 06/01/1999 |
| 5823734 | Rotatable feedgate A dump truck having a dump body which includes an adjustable feedgate for adjusting the size of a passageway through a rear opening at the rear of the dump body. The feedgate is rotatably mounted within the rear opening to provide for improved control of ... | 10/20/1998 |
| 5805189 | Device for fluid supply of a micro-metering device A micro-metering device 12 is subdivided into a fluid supply container 15 and a fluid compartment 14 by a partition wall 22. The partition wall 22 is at a distance from a housing wall 11c accommodating a metering module 16 such that the fluid 13 is convey... | 09/08/1998 |
| 5411176 | Variable dosage distributor for fluid products Distributor for fluid products, comprising a flexible bag (1) filled with the product to be distributed and connected in a sealed manner to a pump (3) sealed from the air. A body (5) encloses the bag (1) and the pump (3). An actuating button (9) for the p... | 05/02/1995 |
| 5341963 | Apparatus for dispensing dry particles A particle analyzer includes a vibratory driver for particulate samples which are received in a sample cup to be drizzled under controller vibration to an analysis cell of the analyzer along with a conveying air stream. The driver is arranged to impose or... | 08/30/1994 |
| 5339990 | Adjustable pump dispenser Liquids are segregated into separate chambers within a common container. The chambers are formed by fabricating the container in an hourglass design thus dividing it into upper and lower segments. The chambers are serviced by separate pumps which draw the... | 08/23/1994 |
| 5269674 | Dough divider A dough divider having a dough chamber and, reciprocating therein, a dough feeding plunger for feeding a batch of dough to a measuring chamber whose volume is adjustable for producing pieces of dough of any desired volume and weight. For the driving of th... | 12/14/1993 |
| 5219422 | Washer pump provided with means for determining when the level of washer fluid is low A washer pump for sending, to a nozzle under pressure, cleaning liquid introduced thereinto from an inlet thereof provided in the interior of a washer tank and discharged from an outlet thereof is designed to allow an individual to determine the level of ... | 06/15/1993 |
| 5183765 | Means and method of measuring and dispensing A method of metering and dispensing a first liquid, using a probe having an aspiration tip defining a tip chamber. The aspiration tip chamber is sized so as to be capable of holding and metering at least two largely different volumes of a first liquid. In... | 02/02/1993 |
| 4911553 | Method and apparatus for feeding solid-liquid mixture A method for feeding a solid-liquid mixture comprised of a liquid and a solid having a specific gravity greater than that of the liquid comprising depositing the solid component around a feed opening disposed at the bottom of a mixing container and feedin... | 03/27/1990 |
| 4821924 | Flexible container having a compression limiting device The invention is directed to disposable dispensing apparatus having a generally triangular body, for dispensing a material therefrom. A stop is disposed within the body, and has a variable thickness. The stop is positioned so that a user of the apparatus ... | 04/18/1989 |
| 4801047 | Dispensing device for radionuclide generators A dispensing device for a radionuclide generator includes an eluant container, a receptacle for receiving the container, the receptacle being in sliding engagement with a support, a hollow needle which pierces the elastic stopper of the container so that ... | 01/31/1989 |
| 4582229 | Granular chemical meter feed wheel adjustment A material metering device having a feed wheel adjustably positioned above the housing discharge orifice. The feed wheel is disposed to rotate on a shaft journalled in an eccentric bearing. The bearing is attached to the meter housing and has a bearing bo... | 04/15/1986 |
| 4496084 | Breading machine A breading machine for selectively dispensing flour breading or free flowing breading and wherein the machine has a frame and conveyor means supported in the frame defining a conveyance path having a product inlet end and a product outlet end, and a hoppe... | 01/29/1985 |
| 4489857 | Liquid dispenser An easily operable liquid dispenser has a tamper-proof lid, a pressuring system that allows the dispenser to be operated either by a foot pump or by hand, and a control system that allows the amount of liquid dispensed by the dispenser to be varied.... | 12/25/1984 |
| 4458829 | Small beverage dispenser for commercial use A beverage dispenser for use in a broad range of commercial food service operations which will consistently, accurately, economically and rapidly dispense beverages over extended periods in a dependable and substantially maintenance-free manner. The dispe... | 07/10/1984 |
| 4436226 | Material metering device A metering device for particulate material in which backups and caking of material is inhibited by the provision of a "live" metering gate consisting of an upper blocking section and a lower material contacting surface. The lower surface is continually mo... | 03/13/1984 |
| 4399931 | Dry material dispenser A dry matter dispensing device comprising a hopper having a paddle pivoted between the front and rear walls, the paddle is oscillated to sweep the contents from the opposite ends of an arcuate, concave tray with each stroke thereof. The dry material slide... | 08/23/1983 |
| 4391389 | Adjustible actuator for plural dispensing devices A device for dispensing two or more substances by pushing against the slidable bottoms of respective containers, includes an arrangement for varying the ratio at which the substances are being dispensed relative to one another.... | 07/05/1983 |
| 4273262 | Rotary dispenser apparatus A rotary driven drum-shaped dispenser for fluid materials is disclosed. The drum is comprised of a plurality of nested rings each of which has a plurality of arcuate channels through which the fluid material is passed during rotation of the drum. An adjus... | 06/16/1981 |
| 4271989 | Micro-metering system A housing having an inlet port and an outlet port utilizes a variable volume cavity connected to the housing and includes a device for limiting the volume of the cavity which is alternately filled through the inlet port and exhausted through the outlet po... | 06/09/1981 |
| 4227627 | Trimmer arrangement for filling unit of automatic filling machine A volume-adjusting mechanism for a filling machine adapted to fill a number of containers with a predetermined amount of a product from a corresponding number of filling units; to enable a volume adjustment while the machine is running, the part of the fi... | 10/14/1980 |
| 4190410 | Cookie forming apparatus Cookie dough in a dough hopper is extruded through a die by means of a pair of dough rolls, and the extruded dough is separated into a plurality of cookie-shaped deposits employing a cutoff wire reciprocated beneath the die. After each movement of the cut... | 02/26/1980 |
| 4178929 | Dosing device for germ-free measurements and filling of liquid material A dosing device for germ-free measuring and filling of liquid material into containers. The dosing device has a dosing pump situated between a material supply chamber and a material filling chamber. In particular the pump has an extended chamber which per... | 12/18/1979 |
| 4130224 | Viscous liquid dispenser A viscous liquid dispenser is characterized by a yieldable lever arm pivotally connected within a casing. The lever arm carries a rigid dispensing block thereon. In response to the imposition of an actuating force to the lever arm, the arm pivots to bring... | 12/19/1978 |
| 4101986 | Regulatable flush valve for tank flush toilets A regulatable flush valve for tank type flush toilets includes a piston-cylinder dash pot, a weighted (fluid filled) plug/valve, a cylindrical overflow tube and a fluid vortex generating element secured in a coaxial arrangement vertically above the outlet... | 07/25/1978 |
| 4091968 | Fluent material dispenser and bucket therefor A fluent material dispenser, preferably for use in conjunction with a planter, is provided with a precision metering device having buckets which pick up material and dump it into a collector. The collector preferably has discrete axially spaced openings w... | 05/30/1978 |