Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8047407 | Apparatus and method for delivery of biologic sealant A device for delivery of biologic materials, comprising: a cartridge having at least two cylinder bores for fluids to be delivered, wherein each cylinder includes an exit port for a fluid, a plunger within each cylinder for pushing the fluids out of the cylinder, a ... | 11/01/2011 |
| 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 |
| 7299801 | Metering valve for a metered dose inhaler providing consistent delivery The present invention relates to a novel design for a metering valve that provides improved consistency of formulation delivery. Generally, the metering valve includes (a) a valve stem that generally defines a longitudinal axis and includes a body portion having a m... | 11/27/2007 |
| 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 |
| 7234460 | Metering valve for a metered dose inhaler providing consistent delivery The present invention relates to a novel design for a metering valve that provides improved consistency of formulation delivery. Generally, the metering valve includes (a) a valve stem that generally defines a longitudinal axis and includes a body portion having a m... | 06/26/2007 |
| 7168933 | Device for discharge or outfeed of a pasty product, preferably foodstuff, from a container The present invention relates to a device for discharge or outfeed of a pasty product, preferably foodstuff, from a container. A piston means (11) is brought to perform a discharge movement in a discharge direction (F) for discharge or outfeed of the product ... | 01/30/2007 |
| 7152273 | Floor cleaning apparatus including dispenser for dispensing particulate cleaning material with adjustable width aperture Floor cleaning apparatus (10) comprises a dispenser (50) for dispensing particulate cleaning material onto a floor surface. Particulate material is held in a hopper (52). Movable part (70, 71) is movable with respect to the hopper (52 | 12/26/2006 |
| 7070066 | Liquid dispensing valve and method with improved stroke length calibration and fluid fittings A liquid dispensing valve includes a valve body, a valve seat, and a reciprocating valve member engageable with the valve seat for controlling flow through a liquid outlet. A calibration device includes a rotatable stroke control stop member and a rotatable referenc... | 07/04/2006 |
| 6993807 | Floor cleaning apparatus including dispenser for dispensing particulate cleaning material A dispenser for dispensing particulate cleaning material onto a floor surface includes a hopper holding the particulate material and a dispensing aperture extending across the hopper through which the material may be dispensed. A separator, which may for example be ... | 02/07/2006 |
| 6978916 | Metering valve for aerosol container A metering valve assembly comprising a ferrule and a valve housing defining an internal cavity. The valve housing accommodates an annular flange and a compression spring therein with a valve gasket closing the internal cavity. The valve housing is attached to the fe... | 12/27/2005 |
| 6886509 | Hydraulic actuator for actuating a gas exchange valve of an internal combustion engine The invention relates to a hydraulic actuator for actuating a gas exchange valve (1) of an internal combustion engine, which valve is especially closed by the effect of a spring. The actuator is configured by a feed pump (6) with intermittent and thus ... | 05/03/2005 |
| 6740295 | Method and device for detecting the type of replaceable piston-cylinder units for pipetting or dosing apparatus A method for detecting the type of replaceable piston-cylinder unit mounted in pipetting or dosing apparatus with the help of a code marking on the piston rod head, so as to eliminate the influence of the chain of tolerances piston rod head/piston rod/piston/cylinde... | 05/25/2004 |
| 6571989 | Metering device for releasing water and detergent A metering device for releasing water and detergent has a three-way connector, a water quantity adjustment device, a detergent quantity adjustment device, and a detergent bottle. The three-way connector has a three-way channel, a first end connected to th... | 06/03/2003 |
| 6554161 | Multi-barrel dispensing apparatus A dispensing apparatus for a liquid which relies on molded components capable of being interchanged to provide, in addition to incremental adjustment within a range of dosages allowed by stroke limiting rotational adjustment of the relativity of escarpmen... | 04/29/2003 |
| 6276563 | Verification and lockout apparatus for bulk feeder A bulk component feeder is provided for delivering components contained with a bulk cassette. The feeder includes a feeder housing defining a component cassette receiving area. The receiving area includes a cassette mounting means for registration with th... | 08/21/2001 |
| 6032830 | Dispenser for fluent products A dispensing gun for fluent products such as viscous adhesives and sealants. The gun includes a removably mounted nozzle and fittings for attachment to a product source such as a can or a hose. A valve body has product inlet and outlet passages with flow ... | 03/07/2000 |
| 6012615 | Precompression pump formed within the pusher element Precompression pump intended to dispense selectively a product contained in a container, said pump comprising a pump chamber (3) having an inlet valve (4), a piston (1) sliding in a first cylinder (2), a differential piston (5) forming an outlet valve of ... | 01/11/2000 |
| 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 |
| 5887756 | Dispensing gun with valving rod and bellows-type seal A dispensing gun for fluent products such as viscous adhesives and sealants. The gun includes a removably mounted nozzle and fittings for attachment to a product source such as a can or a hose. A valve body has product inlet and outlet passages with flow ... | 03/30/1999 |
| 5855300 | Device for dispensing a predetermined amount of solids A dispensing device for dispensing a predetermined amount of solid materials in powder or granular form allows a predetermined quantity, say for example a spoonful of sugar, to be dispensed into a coffee cup. The dispensing device allows measured quantiti... | 01/05/1999 |
| 5816452 | Dispenser gun for viscous or semi-viscous products A dispenser gun for selectively dispensing controlled quantities of viscous or semi-viscous materials, and in particular liquid pesticides or insecticides, employs a vacuum driven operating system for discharging and reloading the viscous or semi-viscous ... | 10/06/1998 |
| 5810204 | Apparatus for dispensing liquid soap or other liquids Apparatus for dispensing liquid soap or other liquid from either a bag-in-box liquid container or from a bottle of liquid includes a housing. A dispenser actuator is movably mounted on the housing. A first module is provided for insertion into the interio... | 09/22/1998 |
| 5804144 | Piston pipette A piston pipette having pulling equipment for moving a piston upward and pushing equipment for moving the piston downward. The pushing equipment has a movable gripping device (5), which when moving downward is attached to the piston and transfers the pist... | 09/08/1998 |
| 5770159 | Pipette for dispensing successive volumes of liquid The invention relates to a pipette for dispensing successive volumes of liquid by repeated action on a pusher (22). A drive lever (26) is provided to drive a pushrod (15) and a piston rod (5) downwards only. The lever (26) extends transversely to the long... | 06/23/1998 |
| 5747709 | Repetitive pipette A repetitive pipette wherein a rack shaft (23) vertically and movably provided in a pipette body (1) is connected to a plunger (43) of a syringe unit (41), and a vertically movable and pivotable pawl member (16) repetitively moves downward and meshes with... | 05/05/1998 |
| 5672320 | Repeating pipet having a plunger advance mechanism An advancing mechanism is provided for movement of a pipet plunger in a repeating pipet. The advancing mechanism includes a rack communicating with the pipet plunger, a pawl pretensioned against the rack and displaceable by an activating element and an en... | 09/30/1997 |
| 5641096 | Condiment dispenser The dispenser has a plunger which is pressed downwardly by the user to dispense condiments, such as salt, pepper, sugar, spices, etc. The plunger structure has a dispensing head which passes through an outlet opening in the base of the device. The outlet ... | 06/24/1997 |
| 5620661 | Pipette system A pipette system with a syringe comprising a syringe flange and a syringe plunger, and with a pipette which in a pipette body comprises an accommodation for the syringe flange and in an accommodation body comprises a plunger accommodation for the syringe ... | 04/15/1997 |
| 5615804 | Gun for dispensing fluent sealants or the like A dispensing gun for fluent products such as viscous adhesives and sealants. The gun includes a removably mounted nozzle and fittings for attachment to a product source such as a can or a hose. A valve body has product inlet and outlet passages with flow ... | 04/01/1997 |
| 5591408 | Repetition pipette The invention relates to a repetition pipette including a syringe receiving section for a mounting portion of a syringe, said pipette comprising a receiving member having a piston receiving portion for the mounting portion of a syringe piston, piston retu... | 01/07/1997 |
| 5573729 | Repetition pipette A repetition pipette including a syringe receiving section for the mounting portion of a syringe, a receiving member having a piston receiving portion for the mounting portion of a syringe piston, piston returning means for moving said receiving member aw... | 11/12/1996 |
| 5566865 | Manual atomizing pump with adjustable dosage A metering pump for dispensing a predetermined volume of a liquid or semi-liquid fluid includes a pump body 1, a differential piston 51,52, and a turret 6 secured to a container cap 61. The pump body has a bottom end in communication with the container an... | 10/22/1996 |
| 5490615 | Condiment dispenser with variable quantity control, lockable hermetic seals and removable base The dispenser has a plunger which is pressed downwardly by the user to dispense condiments, such as salt, pepper, sugar, spices, etc. An adjusting device can be set to determine a predetermined amount to be dispensed by each stroke of the plunger. The plu... | 02/13/1996 |
| 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 |
| 5277339 | Dual mode pistol-grip grease gun A dual mode pistol grip grease gun that operates in either the volume mode or the pressure mode. The grease gun comprises a cylinder head, which has a handle fixed to it. Attached to the handle via a shiftable link is a lever, which has a U-shaped slot di... | 01/11/1994 |
| 5183187 | Piston operated fluid dispensing device In a fluid dispenser a spring biased piston is mounted for reciprocable movement along a stem member which is moved longitudinally to actuate the dispenser. A metering chamber is located between the end of the piston and the end wall of a cylindrical cham... | 02/02/1993 |
| 5154702 | Variable dosage dropper system A variable dosage dropper system improves upon the conventional dropper assembly (container, cap, pipette, bulb) by providing an annular overcap housing which completely encloses the cap and bulb to provide tamper resistant protection and has a locking co... | 10/13/1992 |
| 5085351 | Adjustable dose dispenser A liquid dispensed in adjustable, predetermined quantities from a pressurized reservoir upon each actuation of a metering and dispensing valve incorporated in the dispenser. A flexible sleeve is disposed between the reservoir chamber and a selected one of... | 02/04/1992 |
| 4967931 | Bottom-up filler Apparatus for volumetric dosing of viscous products comprising a dispensing outlet connected to apparatus for substantially vertically moving the outlet, a supply conduit, a valve for the supply conduit, a dispensing valve and a dosing chamber. The dispen... | 11/06/1990 |