Reward Candy Dispenser for Personal Computers
A personal computer peripheral, battery powered reward candy dispenser which immediately presents students with a single candy for each problem completed correctly.
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 |
| 7931310 | Pipe coupler A coupler for use with a sealing member for releasably securing together adjacent ends of grooved end pipe and forming a fluid-tight seal therebetween. The coupler includes a pair of arcuate segments, each segment having a generally inverted U-shaped cross-section s... | 04/26/2011 |
| 7914053 | Flange connection A flange connection has two pipe ends (1′, 2′, 51′, 52′) on each of which one flange (1, 2, 51, 52) is disposed and which have flange faces (11, 11′, 61, 61′) and a centering ring (33, 34) with an elastomer sealing ring (14... | 03/29/2011 |
| 7828338 | Coupling assembly with pipe sockets of fluid-holding parts to be joined A coupling assembly includes pipe sockets of fluid-holding parts to be joined. The pipe sockets are provided with a peripheral locking rib, behind which a groove is formed and which has a conical front flank and a radial rear flank. The front flanks of the locking r... | 11/09/2010 |
| 7784839 | Tube joint and component arrangement with tube joint A joint (1), especially of an exhaust system is provided for two axially adjacent ends (2, 3) of a tubular body (4, 5), respectively. Each tube end (2, 3) has a ring collar (8, 9) projecting radially outwards. A centering ring (... | 08/31/2010 |
| 7661730 | Clamping ring for connecting thin-walled tubes An open clamping ring (11) is provided for connecting tubes (1) that are provided with terminal flanges (2). The clamping ring is drawn together with the aid of a clamping lock that is provided at the open ends of the clamping ring. The clamping... | 02/16/2010 |
| 7591489 | Detachable pipe joint Provided is a joint which can be easily detached from and attached to pipes, in which a flange joint is connected air-tightly at a connection portion of medium-size or large-size pipes, without using bolts. In the pipe joint, flanges are formed at both ends of conne... | 09/22/2009 |
| 7431350 | Flange assembly A flange assembly is disclosed. The assembly includes a tubular structure having a passageway and comprising a fiber reinforced plastic material, and a flange structure comprising an aperture coupled to the tubular structure using an attachment element. ... | 10/07/2008 |
| 7425023 | Profiled clamp A profiled clamp with at least one profiled segment which extend successively in the circumferential direction of the clamp and are clamped by means of at least one clamping device. The profiled segments have a profile which in cross-section is essentially inversely... | 09/16/2008 |
| 7396052 | Sanitary sealed connector for fluid handling systems and storage devices A sanitary connector apparatus includes first and second tubular members coaxially aligned such that a first member end of the first tubular member is positioned toward a second member end of the second tubular member. First and second sealing components radially ex... | 07/08/2008 |
| 7393020 | Connection of two pipes and sealing ring for the connection In a pipe connection, a first pipe has a first flange of sheet metal provided with a first wall connected circumferentially to the first pipe. A second pipe has an end section shaped as a second flange. A clamp engages across the first and second flanges and has con... | 07/01/2008 |
| 7390026 | Housing type joint A housing type joint including: a housing formed by arranging at least three arcuate segments in a circumferential direction with gaps; an elastic ring arranged in the housing for hermetically sealing end portions of a pair of pipes; a fastening band arranged so as ... | 06/24/2008 |
| 7353731 | Quick release handlebar stem assembly for a bicycle A quick release handlebar stem assembly for a bicycle comprises a stem having a first pivotal connecting portion, a clamping portion formed on the stem, and a clamping member is pivotally connected to the clamping portion, the clamping member is provided with a reta... | 04/08/2008 |
| 7350833 | Self-aligning aseptic flanged joint A flanged joint system connects two pipes disposed along a common axis. A flange having a mating surface terminates each pipe. A gasket assembly comprising an outer annular, substantially rigid retaining ring and a peripheral alignment rim, an inner deformable annul... | 04/01/2008 |
| 7350834 | Coupling device constitute two halves A coupling device for holding together a coupling joint. The device may include two coupling halves, which may be articulated relative to one another. The coupling device may be arranged in its active position to engage portions of two interconnected pipes adjacent ... | 04/01/2008 |
| 7331104 | Device for the assembly of standard elements intended for the creation of precision mechanical structures A device for the assembly of at least two standard elements of a precision mechanical structure by a linking element, where the first standard element includes a reference surface, while the second standard element includes a bearing surface which has to be position... | 02/19/2008 |
| 7320485 | V insert edge contour A V-band clamp that includes an annular band having an inner surface and an outer surface. A latch assembly is attached to the outer surface of the band for attaching objects together. A plurality of insert segments are attached to the inner surface of the band, whe... | 01/22/2008 |
| 7300078 | Pipe joint clamp A pipe joint clamp for connecting piping members includes a circular holding portion in which flange portions of the piping members are clamped, and multiple flexion-shaped hinge portions, which protrude from the holding portion toward a diametrically outer side the... | 11/27/2007 |
| 7290805 | Pipe clip A pipe clip includes upper and lower clip members that are pivoted at one end and form upper and lower slots with a locking bar fixed in the lower slot. The upper and lower clip members form upper and lower grooves for receiving and thus engaging flanges of pipe sec... | 11/06/2007 |
| 7279125 | Take-off unit A withdrawal device for blow-molded film has an air turning bar with an air cushioned surface for transporting the film, and the bar surface includes at least in part a sintered material. The sintered material portion of the bar surface provides a region of increase... | 10/09/2007 |
| 7243956 | Expandable band and locking mechanism The expandable band is used to secure a sealing element within a generally cylindrical structure, such as a pipe or manhole, or other round hole. The expandable band includes a band body having a first band end portion and a second band end portion. The first band e... | 07/17/2007 |
| 7210201 | Clamp coupling for pipes The invention concerns a clamp coupling for coupling pairs of pipes. Such clamp couplings are used, for example, for coupling concrete conduits from concrete pumps. This clamp coupling (10) comprises two clamp shells (16, 18) which, in the coupling sta... | 05/01/2007 |
| 7174921 | Extension conduit An extension conduit for providing an extension from a spigot to a hose to distance the hose from the spigot includes a tube having a first end being configured to be in fluid communication with a spigot and a second end being couplable to a hose. A clamp is coupled... | 02/13/2007 |
| 7165789 | Clamp assembly A clamp assembly for connecting the end of a first pipe to the end of an axially aligned second pipe. The clamp assembly comprises a first semi-circular clamp arm, a second semi-circular clamp arm, a lever, a latch and a gasket. The first clamp arm has a first end p... | 01/23/2007 |
| 7159906 | Methods and apparatus for flange sealing Embodiments of the invention, can utilize a flange system incorporating metal sealing. In a further specific embodiment, the subject invention can utilize stainless steel sealing, where the flanges and seals are stainless steel. The subject seal may be made and rele... | 01/09/2007 |
| 7140617 | Sealing ring for an intake manifold A seal of an annular shape comprising a top bead and a side bead that are tilted inwardly at predetermined angles. The top bead and side bead are integrally formed such that a force exerted on the side bead allows the side bead to cooperate with the top bead to prop... | 11/28/2006 |
| 7073826 | Butt joint between two pipe segments of sheet metal and process for manufacture thereof Butt joint between two pipe segments (10) of sheet metal with circular or oval cross-section, which respectively exhibit on one end a connecting flange (32), formed one-piece with the adjacent pipe wall (12), for producing the butt joint with an... | 07/11/2006 |
| 7055288 | Pre-stressing sheath A pre-stressing sheath for preventing wet concrete from penetrating between the sheath and strands being debonded, and for covering sections of reinforcing strands in pre-stressed concrete beams such that any potential strand tension transmitted to a beam is nullifi... | 06/06/2006 |
| 7014225 | Snap connector for the coupling of pipes A pipe and snap connector assembly including mating male and female pipes joined by a clam-shell type connector. The female pipe receives a portion of the male pipe, and each pipe provides a radial flange configured such that there is a gap between the radial flange... | 03/21/2006 |
| 7004512 | Indented apex V-retainer coupling with cushion A pipe coupling includes a first lateral wall, a second lateral wall and an apex wall spanning and connecting the first lateral wall to the second lateral wall. The apex wall includes an outer surface and an inner surface. A gasket is disposed on the inner surface o... | 02/28/2006 |
| 7000952 | Duct separation restraint apparatus and method A coupling apparatus and method for coupling two duct sections together to form a joint therebetween. The apparatus includes a catcher ring component formed coextensive with the edge of one section of duct, and a catcher finger component formed coextensive with an e... | 02/21/2006 |
| 6971682 | Coupling assembly A coupling assembly for fuel transfer includes a first inner conduit attached to a first ferrule adapter and a second inner conduit attached to a second ferrule adapter. An inner conduit coupling engages the first inner conduit sealing mechanism and the second inner... | 12/06/2005 |
| 6964400 | Hanging device for suitcase A hanging device for a suitcase includes a main body, a clamping plate pivotally mounted on the main body, a receiving chamber formed between the main body and the clamping plate, and a press plate pivotally mounted on the main body and locked on the clamping plate ... | 11/15/2005 |
| 6964425 | Telescoping suspension fork having a quick release wheel axle clamp A releasable clamp system for clamping an axle of a wheel to a two wheeled vehicle comprising a frame member and a cover plate that is pivotally coupled to the frame member. The cover plate is movable between a closed portion where the cover plate and the frame memb... | 11/15/2005 |
| 6938933 | Corrugated plastic pipe sections having flanged ends and structurally tight joints thereof Rigid corrugated plastic pipe sections are provided with a flange radially extending from at least one end of the pipe length, which allows structural and water tight joints between connecting flanged pipes and fittings to be formed in an assembly including a periph... | 09/06/2005 |
| 6921115 | Coupling for pipe including an inclined flange A coupling for joining two pipes in end-to-end relationship includes flanges which are sealably secured to end sections of pipes to be connected. The flanges form front inclined faces and adjacent front flanges that are slidably received within opposite end openings... | 07/26/2005 |
| 6811192 | Apparatus and associated method for joining and sealing conduits The apparatus for joining and sealing conduits, includes edge trim, a sleeve, and a retaining element. The edge trim is shaped to mount upon and engage an end of a conduit. The sleeve extends between the conduits and at least partially surrounds the edge trim. The s... | 11/02/2004 |
| 6758500 | Flared ends conduit coupling A coupling arrangement for permitting fluid-tight, pressurized fluid flow therethrough includes a pair of conduit members located in end-to-end alignment, each of the conduit members having a flared end. An encircling coupling unit surrounds the ends of the conduit ... | 07/06/2004 |
| 6726254 | Fuel container and its connection with a pipe A fuel container with a pipe, the fuel container having a pipe connecting piece with a conically widened rim and the pipe having an annular bead, on which a connecting member acts, and a sealing ring further being seated between the conically widened rim and the ann... | 04/27/2004 |
| 6692042 | Profiled clamp and sleeve joint comprising such a profiled clamp A profiled clamp connecting two pipes has an articulated clamp strip having sidewalls and a transverse portion connecting the sidewalls and a tensioning closure around the clamp strip. A conical metal ring is arranged in the clamp strip and has a radially... | 02/17/2004 |
| 6682108 | Bottom draining tank with disposable liner and method The portable tank defines a chamber within which is disposed a liner having a sealing interface with a tank discharge assembly. The features of the sealing interface of the liner with the discharge assembly and this discharge assembly itself virtually eli... | 01/27/2004 |