Did You Know...
...that the x-ray was discovered purely by accident? When German physicist Wilhelm Konrad von Roentgen was experimenting with cathode rays in 1895, he put an activated Crookes tube in a book and went out to lunch. When he returned, he discovered that a key that had also been placed in the book showed up as an image on the developed film!
PatentStorm News
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 |
| 7984833 | Fluid dispenser A fluid dispenser includes: a container defining a chamber; a discharging tube defining a fluid passage and having an outlet disposed outwardly of the chamber; a movable valve body disposed outwardly of the chamber and sleeved and slidable on the discharging tube be... | 07/26/2011 |
| 7377406 | Two stage grease gun A portable grease gun with a dual pressure output capability which can be selectively changed by the user with little effort. The larger diameter plunger is slidable within a plunger retainer. The larger diameter plunger has a bore through them in which a smaller di... | 05/27/2008 |
| 7337927 | Two stage grease gun A portable grease gun with a dual pressure output capability which can be selectively changed by the user with little effort. A larger diameter plunger is longitudinally coupled to an extension. The larger diameter plunger and its extension are variable in length by... | 03/04/2008 |
| 7264142 | Dispenser having variable-volume storage chamber and depressible one-way valve assembly for dispensing creams and other substances A dispenser has a housing, and a variable-volume storage chamber formed within the housing and defining a substantially fluid-tight seal between the chamber and exterior of the housing for storing a substance to be dispensed. A piston is mounted within the housing, ... | 09/04/2007 |
| 7216782 | Dispenser for discharging liquid material A dispenser has a syringe having a nozzle at one end thereof and a plunger fitted in the syringe from the other end of the syringe. One end of a pipe is connected to a portion of the syringe between the one end and the other end of the syringe. A liquid material tan... | 05/15/2007 |
| 7195136 | Dispenser for supplying portions of pasty masses Dispenser for delivering portions of pasty substances has an emptying nozzle (18) associated with a squeeze head (13), and a tubular housing (1) in which a plunger (9) is displaced in a stepwise manner during a process of emptying the dis... | 03/27/2007 |
| 6991135 | Dispenser for the apportioned delivery of pasty substances Dispenser for delivering portions of pasty substances has a tubular housing with a plunger, an emptying nozzle, a squeeze head, a handle and a stationary cover. The plunger is displaced in the tubular housing in a stepwise manner during emptying actuation in a direc... | 01/31/2006 |
| 6935084 | Taper-ream wood repair apparatus and method A tapered plug having a compressible and conically tapered outer surface is permeated with a dry, water-activated adhesive. A pilot hole most preferably passes through the center of the tapered plug, ensuring proper alignment for a replacement fastener such as a woo... | 08/30/2005 |
| 6834780 | Paste dispenser An improved dispenser for pastes is disclosed comprising a variable volume paste chamber, a dispenser nozzle communicating with the chamber for dispensing paste, a displaceable element displaced by room pressure, as a result of a reduced pressure in the paste chambe... | 12/28/2004 |
| 6550957 | Device and method for preparing calcium phosphate-based cement A kneading device adapted for preparing calcium phosphate-based cement and for applying the cement directly to a required site which comprises a cylinder 1 which includes a hollow cylindrical body portion 11 and a nozzle 12 formed at the distal end of the... | 04/22/2003 |
| 6382472 | Viscous fluid dispenser A container-dispenser for products which are viscous fluids such as liquid soap, which allows one-handed operation to supply a controlled amount of viscous fluid in a convenient and clean way and protects the contents from exposure to air. The container b... | 05/07/2002 |
| 6367962 | Device and method for preparing calcium phosphate-based bone cement A kneading device adapted for preparing calcium phosphate-based cement and for applying the cement directly to a required site which comprises a cylinder 1 which includes a hollow cylindrical body portion 11 and a nozzle 12 formed at the distal end of the... | 04/09/2002 |
| 6302304 | Dispensing systems A dispensing system has a dispenser pump mounted on top of a container. Product in the container reaches the intake of the dispenser pump through a vertical feed tube which extends down to the container's base. A follower plate fits around the feed tube a... | 10/16/2001 |
| 6230935 | Dual chamber pump dispenser The dual chamber dispenser consists of two tubular chambers each of which is connected to a pump. The pumps are self-priming and are of a type that draw the substances from the tubular chambers. There is an activator which also serves as the top of the di... | 05/15/2001 |
| 6216966 | Dispensing devices An electrostatic spraying device comprising a nozzle, means for establishing a column of material to be sprayed within a passage leading to the nozzle outlet such that the leading surface of the column is spaced from the nozzle outlet, means for pneumatic... | 04/17/2001 |
| 6161731 | Dosing device A dosing device (1, 31) comprises a storage vessel (16, 36) for a substance to be dosed and a feed means (5) which transports the substance to a discharge opening (3) of the dosing device. A storage vessel (16, 36) is connected to the feed means (5) in su... | 12/19/2000 |
| 6070763 | Dispenser pump for a liquid or pasty product A dispenser (1) for a liquid product (P), provided with a dispensing head (7) has an axially movable push button (26) defining a pumping chamber (22) having an intake opening (14) for the product, obturated by an admission valve (16) carried by a piston (... | 06/06/2000 |
| 6006948 | Two-chamber metering dispenser A two-chamber metering dispenser 1 for liquid and/or paste-like media is equipped with two containers 2, 3 made of plastic, which are arranged in parallel positions next to one another and are provided each with a hand-operated metering pump and with a fo... | 12/28/1999 |
| 5878920 | Dispenser for discharging a flowable medium A dispenser for discharging a flowable medium, having an elongate storage container which receives the flowable medium, has an essentially constant inner cross-section, bears a manually actuable, suction-type discharge device at the top and contains a fol... | 03/09/1999 |
| 5826753 | Grease gun locking mechanism In a grease gun having a handle that is manually manipulated from a position extending along the side of the grease gun body to a position oriented at an angle relative to the body to charge the pump of the grease gun with lubricant or some other liquid c... | 10/27/1998 |
| 5788124 | Device for packaging and dispensing a liquid or semi-liquid substance A device for packaging and dispensing a liquid or semi-liquid substance (P) in which a substance (P) in a receptacle (1), which is closed in a sealed manner firstly at a top by a cap (2) and secondly at a bottom by an internally movable punt (5), is compr... | 08/04/1998 |
| 5611463 | Double dispenser for fluid products A double dispenser for fluid products, comprising, in a single casing (1), two chambers (2) filled with different fluids and each closed by a pump (3) provided with a valve, the two valves being actuated by a single pusher (5). The pusher (5) has a chambe... | 03/18/1997 |
| 5244123 | Apparatus and method for applying sealing material An apparatus and method for applying mortar, grout, bonding materials and caulk ("sealing material") into or between building components or materials includes a handheld power tool having or adapted to mount, a hopper receiving a supply of sealing materia... | 09/14/1993 |
| 5236021 | Powder filling apparatus A powder filling apparatus comprised of a frame means having a cylindrical channel extending therethrough. A cylindrical funnel means is rotatably mounted in the channel, the funnel means having a bore extending therethrough. The bore has an axial section... | 08/17/1993 |
| 5197637 | Pump apparatus for a free-flowing, in particular pasty and/or liquid, product, and dispenser having such a pump apparatus A pump for a free-flowing, in particular pasty or liquid, substance includes a support part, a pump element which has an elastically deformable membrane and can be pressed against the support part in opposition to a restoring force, and a pump chamber, di... | 03/30/1993 |
| 5127548 | Medicinal spray device with two substance compartments separated by puncturable membrane A device for administering a medicine in the form of a spray, the medicine being constituted by a mixture of at least two substances that must be stored separately prior to use, the device comprising a volume which is divided into two compartments by a me... | 07/07/1992 |
| 5100027 | Dispensing unit for at least one product, a cosmetic product in particular, in cream, liquid or powder form A unit for dispensing products in cream, liquid or powder form, comprising on a container (2) with a flexible bag or with a follower piston, a push button (8) forming a pump body sliding on a hollow piston (10) capable of being closed by a first valve (13... | 03/31/1992 |
| 5085350 | Pump assembly with container for storing liquid in isolation from ambient air A pump assembly for storing and discharging a liquid such as a chemical solution includes a substantially cylindrical container for storing the liquid therein. A pump is mounted on one end of the container. The pump has a suction port for drawing the liqu... | 02/04/1992 |
| 5072854 | Method for transporting a cured organic or organosiloxane gel The present invention is based on the discovery that a cured organic or organosiloxane gel will enter and flow through a conduit to a dispensing location as a coherent, homogeneous portion of material when (1) one end of the conduit is immersed in the gel... | 12/17/1991 |
| 5071040 | Surgical adhesives mixing and dispensing implement An apparatus for mixing and dispensing a surgical adhesive having at least two components has a barrel with a central longitudinal axis extending from a first to a second end thereof. The second end includes a nozzle with a discharge port. A rotatable scr... | 12/10/1991 |
| 4978037 | Dispenser for products in paste form The invention concerns a dispenser for the metered delivery of materials in paste form, with a tubular housing in which a follower piston in incrementally displaceable in the direction of discharge, and with an actuating key, positioned adjacent to a disc... | 12/18/1990 |
| 4946076 | Dispenser for pasty compositions A dispenser for pasty compositions, having a housing within which a piston displaceable in only the direction of emptying is arranged. An actuator enables a headpiece to act on a restorable wall which can be pressed in the direction towards the piston, th... | 08/07/1990 |
| 4838460 | Product dispenser having actuator locking collar and shroud A dispenser for lotions, creams and the like has an annular collar in the form of a rotatable cam ring which may be turned to rock an actuator toward a dispensing, open position or toward a closed, non-dispending position. The cam ring has cam tracks that... | 06/13/1989 |
| 4830221 | Toothpaste pump formulation A plastic toothpaste dispenser containing an aqueous toothpaste that includes a flavoring oil and a non-toxic oil in an amount effective to reduce the loss of the flavoring oil escaping through the plastic dispenser.... | 05/16/1989 |
| 4830228 | Dispenser package for viscous fluids A dispenser package for viscous fluids comprising a container having one end open and provided with a piston and the other end closed by a compressible chamber defined by a plastic bellows that is deflected by movement of a plunger to dispense a portion o... | 05/16/1989 |
| 4805809 | Dispensing package for a viscous product A package for containing and dispensing a viscous product such as toothpaste. The package includes a cylindrical container with a wall extending across an end of the container, such end serving as a dispensing end, and the wall has an opening which is sur... | 02/21/1989 |
| 4804115 | Pump chamber dispenser A pump chamber dispenser is arranged for producing a striped or otherwise striated product from two or more differently-colored product components held in its variable-volume reservoir (22). For each component the dispenser has at least one inlet port (20... | 02/14/1989 |
| 4790456 | Material supply equipment for viscous fluid pressure feed system Material Supply Equipment in which a cylindrical container constructed with a substantially straight side all the way to the bottom receives a plastic bag filled with a high viscosity fluid to be pumped. A planar cover plate for the container has an outer... | 12/13/1988 |
| 4776496 | Dispenser of generic paste products and specifically toothpaste A dispenser of generic paste products and specifically toothpaste, of improved practicality and simple and easily assembled construction, comprises a cylindrical container, a head fitting at one end of the container, a bottom wall slidable sealingly in th... | 10/11/1988 |
| 4715518 | Dispenser for striped viscous products In a manually operated dispenser especially suited for striped toothpaste products and the like the reciprocable pumping piston is provided with a concave, product-engaging face that gently, yet forcibly, directs the product in a smooth, laminar flow out ... | 12/29/1987 |
