...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 |
| 7775405 | Sprayer including pressure build-up discharge valve assembly with poppet valve having integrated spring A sprayer includes a discharge valve assembly and includes an integrated poppet valve, spring and volume reducer. The spring includes more than omega-shaped form, each with relatively flat sides. The spring can have sides with portions sufficiently wide to substanti... | 08/17/2010 |
| 7413134 | Trigger type fluid dispenser A trigger type fluid dispenser (100) according to the invention includes a body (110) having a discharge flow path (111) and a cylinder (112) disposed in parallel with the discharge flow path (111), and a piston (140) in the... | 08/19/2008 |
| 7410079 | Accumulator-type liquid sprayer An accumulator-type liquid sprayer includes a piston arranged in a cylinder, a piston guide extending through a passage extending therethrough in an axial direction of the piston, so as to be engageable with, and disengageable from the piston, cooperating with the p... | 08/12/2008 |
| 7367478 | Dosing device for at least one medium A dosing device for at least one medium includes a casing part connectable to a medium reservoir, having a pumping device located in the casing part and an applicator connected to the pumping device. The pumping device is provided with at least one inlet valve, as w... | 05/06/2008 |
| 7341168 | Pump assembly with piston An assembly including a pump attachment particularly adapted to form an nonaerosol pump sprayer, and a method of using the same. The apparatus desirably includes an attachment having a pump sprayer which is pressurized on the upstroke enabling the sprayer to be ship... | 03/11/2008 |
| 7328819 | Self-contained liquid dispenser with a spray pump mechanism A self-contained viscous liquid dispenser with a spray pump mechanism includes a housing defining an internal liquid reservoir. A spray pump mechanism is configured with the housing and includes a horizontally disposed pump chamber fitted through an opening in the h... | 02/12/2008 |
| 7281644 | Valve mechanism A valve mechanism for a pressure chamber, particularly a pumping device, includes a tappet and a valve disk, in which the valve disk is attached to the tappet. The valve disk is provided on the tappet so as to be movable in relative manner between a starting and an ... | 10/16/2007 |
| 7270187 | Flying valve and well production method The invention relates to oil and gas production and can be used for lifting liquid from wells by gas energy. A flying valve includes a tubular body, a detachable element in the form of a body of rotation, and stoppers limiting the penetration of the element into the... | 09/18/2007 |
| 7255248 | Plug style pump The embodiment of the invention are directed to a dispenser assembly having a reservoir bottle with an opening for fluid communication. The opening is formed to receive a housing cap and a dispensing pump such that the dispensing pump is sealingly engaged to the bot... | 08/14/2007 |
| 7232208 | Inkjet printer cartridge refill dispenser with plunge action A printing fluid dispenser including: a housing comprising a base and a plunger; a deformable container located within the housing for storing printing fluid; an outlet coupled to the deformable container and arranged to convey the printing fluid to a point external... | 06/19/2007 |
| 7210669 | Deformable fastener A deformable fastener is provided. The fastener includes a first member having a cavity and a second member sized to be rotatably attached within the cavity. The fastener further includes a protrusion disposed on either the first or second member for locking engagem... | 05/01/2007 |
| 7198178 | Pump assembly with piston An assembly including a pump attachment particularly adapted to form an nonaerosol pump sprayer. The attachment includes a body, a shaft, a piston, an inlet valve and a biasing member. The body defines an elongate chamber having the first end, second end, and an int... | 04/03/2007 |
| 7191731 | Tube bird feeder A bird feeder for deterring squirrels and other marauders, the bird feeder having an inner feed container and an outer shroud, the spring mechanism being mounted in a center structure which comprises an outer first member having a hollow interior portion with a seco... | 03/20/2007 |
| 7189134 | Interactive beverage bottle top Beverage bottle tops having interactive elements or performing interactive actions are disclosed. The beverage bottle tops are capable of conveying liquid from the bottle to a person. The beverage bottle tops include interactive elements, structures, or acts, which ... | 03/13/2007 |
| 7178701 | Metering pump The invention relates to a metering pump comprising a pump barrel (1) housing a dose chamber (32) and control means that can be moved between a discharge position and a rest position. The inventive metering pump is characterised in that the control mea... | 02/20/2007 |
| 7175056 | Simplified sprayer device A sprayer device (10) with a trigger pump (29) includes a substantially L-shaped body (14) that can be applied to a container for liquids and is provided with a sprayer nozzle (15). A chamber (20) wherein a plunger (33) of t... | 02/13/2007 |
| 7096622 | Insect exterminating device An insect exterminating device which is characterized in a first embodiment by a handle having a handle base attached to a downwardly-extending probe frame fitted with a bracket and a spring for receiving an aerosol or pressurized fluid canister containing an insect... | 08/29/2006 |
| 7051903 | Viscous liquid dispenser having leak prevention device A dispenser for dispensing metered amounts of a viscous liquid includes a liquid reservoir and a pump chamber having an opening in communication with the reservoir. A pump mechanism including a pump cylinder with a dispensing channel therethrough is configured with ... | 05/30/2006 |
| 7020994 | Gun cleaning kit A universal gun cleaning kit includes a universal handle including a female threaded opening of a first select size. A plurality of elongate rods have different outer diameters. Each rod has opposite near and distal ends. The distal ends are adapted for selectively ... | 04/04/2006 |
| 6948639 | Device for packaging and dispensing a product, notably in the form of a sample A device for packaging and dispensing of a cosmetic product which includes a container to hold the product, with the container being delineated by a body. A movable element moves relative to the container body and is capable, in response to an action exerted manuall... | 09/27/2005 |
| 6932246 | Assembly for packaging and dispensing a product, especially in the form of a sample An assembly for packaging and dispensing a product, especially a cosmetic product. The assembly includes a container containing the product and delimited by a body, one end of which is closed by a bottom. A movable component is movable relative to the body of the co... | 08/23/2005 |
| 6929156 | Fluid dispenser pump A manually-actuated fluid dispenser pump including a pump body (10) and a piston (50) mounted to slide in leaktight manner in the pump body (10) between a rest position and a dispensing position. The piston is provided with a top sealing lip ( | 08/16/2005 |
| 6926166 | Device for combining candy dispensers and health and beauty aid dispensers A product combining individual novelty candy dispensers and health and beauty dispensers into a single device. In one embodiment a lip balm dispenser is combined with a breath spray dispenser into a single product. In another embodiment, a lip embodiment a lip balm ... | 08/09/2005 |
| 6913169 | Low profile, fine mist, finger-operated, precompression-type spray pump The present invention relates to a low profile, fine mist, finger-operated, precompression-type spray pump, and more particularly to a spray pump provided with a second valve of the novel structure being moveable between a poppet valve and a bottom entrance of housi... | 07/05/2005 |
| 6910606 | Piston operated fluid dispensing device capable of incrementally adjusting the volume being dispensed A valve assembly includes a valve housing defining a metering chamber and an elongated stem. The stem is axially movable with respect to the valve housing for dispensing liquid and is rotatable for adjusting the length of the stroke of a piston to thereby select the... | 06/28/2005 |
| 6866168 | Fluid dispenser pump A manually-actuated fluid dispenser pump including a pump body (10) containing a pump chamber (20), said pump chamber (20) being defined between an inlet valve (30) and an outlet valve (40), a piston (50) being mounted to sl... | 03/15/2005 |
| 6729502 | Self-contained viscous liquid dispenser A self-contained viscous liquid dispenser includes a housing defining an internal liquid reservoir, and an opening defined through a front surface of the housing. An insert member is fitted through the opening, extends into the reservoir, and defines an internal pum... | 05/04/2004 |
| 6729505 | Dispensing pump A dispensing pump for liquid or pasty products comprising a housing (2), a piston (6) arranged to move telescopically within the housing between rest and activated positions and a plastics spring (9) arranged to return the piston from its activa... | 05/04/2004 |
| 6702158 | Knocking-type liquid container A knock-type liquid container includes a body having a tank that holds a liquid, and an outlet provided at a forward end, a piston in the tank, and a piston-advancing mechanism having a knocking body that projects rearwardly of the body for advancing the ... | 03/09/2004 |
| 6695175 | Piston operated fluid dispensing device A valve assembly includes a valve housing defining a metering chamber and an elongated stem. The stem is axially movable with respect to the valve housing for dispensing liquid and is rotatable for adjusting the length of the stroke of a piston to thereby... | 02/24/2004 |
| 6637626 | Pump dispenser having one-piece plastic spring and gasket A container-mounted pump dispenser having a body with a vertical cylinder and piston is provided with a one-piece spring/gasket. The spring/gasket is a resilient bowl-shaped spring attached at its lower end about the piston stem and at its upper end compr... | 10/28/2003 |
| 6564968 | Automated fluid dispenser An automatic fluid dispenser includes a pump mechanism actuated by the movement of a piston between a first position and a second position. The piston includes a resilient diaphragm that separates a pump chamber from a pressurized fluid chamber. An inlet ... | 05/20/2003 |
| 6540117 | Dosing pump for liquid dispensers A dispenser for dispensing metered amounts of a viscous liquid includes a liquid reservoir and a pump chamber having an opening in communication with the reservoir. A dispensing orifice is defined in the pump chamber. A pump mechanism is configured with t... | 04/01/2003 |
| 6533482 | Cosmetic article having improved dispensing structure Disclosed is a cosmetic article having an improved dispensing structure, which compactly combines liquid cosmetic product with an applicator used for applying the liquid cosmetic product. The cosmetic article includes a housing being in the form of a case... | 03/18/2003 |
| 6484906 | Apparatus and method for dosing a product A dosing nozzle is intended to be fitted onto a container containing a product. The nozzle comprises a dosing cavity which can move between a first position and a second position in which it occupies a minimum volume, the cavity being delimited by first a... | 11/26/2002 |
| 6467657 | Pump assembly with one piece piston An assembly including a pump attachment particularly adapted to form an nonaerosol pump sprayer, and a method of using the same. The apparatus desirably includes an attachment having a pump sprayer which is pressurized on the upstroke enabling the sprayer... | 10/22/2002 |
| 6405905 | Dosing dispenser for flowable media Dosing dispenser for flowable media with a pump that may be manually handled and is integrated in a medium container, with a piston (140), which closes the container (110) fluid-proof to the outside and with a container that is displaced between an upper ... | 06/18/2002 |
| 6378739 | Precompression system for a liquid dispenser A precompression system for a liquid dispenser prevents liquid from being discharged from the dispenser until a predetermined pressure level has been attained within the dispenser. The liquid dispenser preferably has a liquid inlet and a liquid outlet for... | 04/30/2002 |
| 6360922 | Pump assembly with pressure release capability A pump assembly including a pump attachment adapted to form a nonaerosol pump sprayer, and a method of using the same. The apparatus includes an attachment having a pump sprayer that is pressurized on the upstroke. The attachment includes a body that defi... | 03/26/2002 |
| 6334552 | Dispenser with peripheral delivery mode The invention relates to a dispenser for dispensing viscous liquids, which dispenser is designed to be mounted on a container; said dispenser being characterized in that it comprises a bowl (1) whose bottom is provided with an inlet orifice (10) equipped ... | 01/01/2002 |