William F. Semple, a dentist, was awarded the first US Patent on chewing gum in 1869. His recipe contained powdered chalk.
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 |
| 7410135 | Reusable holding system for pyrotechnic, shaft bearing devices By providing a hand holdable, reusable, holding system which enables users to insert any small diameter, shaft supporting pyrotechnic device, such as a sparkler, into an aperture and be assured that the shaft of the pyrotechnic device is securely locked to the holdi... | 08/12/2008 |
| 7404686 | Snap fitting for joining component parts of an article of assembly A snap-fit arrangement for joining component parts, such as tubular sections and fittings includes a male coupling and a female coupling. A portion of the male coupling extends from one component part and includes cantilever prongs with enlarged heads. The exposed p... | 07/29/2008 |
| 7377713 | Front-wheel support for a wheel chair A front wheel support for a wheel chair, the front wheel support having a curved tube for attachment to a frame member of the wheel chair and a curved part. The curved part has a first portion with a curvature identical to the curvature of the curved tube, and a cro... | 05/27/2008 |
| 7374140 | Geomatic pole support with telescoping legs and locks A leg for use in supporting geometric equipment includes a first leg section and a second leg section for telescoping receiving the first leg section. A locking device includes an actuator and an engagement portion. The locking device is operable in a lock position ... | 05/20/2008 |
| 7334957 | Portable protective fence and method of installation thereof A lightweight fence or gate pole is provided having a lock assembly including a base attached to the lightweight pole, a support member extending from the base, a connector extending from the support member, the connector having a snap button connected thereto and a... | 02/26/2008 |
| 7255120 | Mobility-aid apparatus and method with cores having negative draft Apparatuses and methods assist in mobility of a person. According to an embodiment of the invention, a device for enhancing mobility of a physically-impaired person comprises: a first member that comprises an elongated portion; and a second member that is configured... | 08/14/2007 |
| 7165908 | Arrangement at telescopic lifting beam Two telescopic lifting beams are loaded in their protruded position and are driven from a retracted position to a protruded position. In order to improve the bending strength of the lifting beams, the lifting beams are surrounded by two telescopic tubes, one of the ... | 01/23/2007 |
| 6997633 | Coupling for split-boom power tool A power tool coupling system for coupling two boom members of a split-boom power tool. The coupling system includes a first section and a second section. The first section is adapted to be fixedly attached to an end of a first one of the boom members. The first sect... | 02/14/2006 |
| 6945727 | Apparatuses and methods for joining structural members, such as composite structural members Apparatuses and methods for joining structural members. In one embodiment, an apparatus for joining a first member to a second member includes a first part and a second part configured to be engaged with and bonded to the first part. In one aspect of this embodiment... | 09/20/2005 |
| 6811348 | Device for locking in position a mobile part relative to a fixed part A device for locking a position of a moving part with respect to a fixed part. The moving part is positioned with respect to the fixed part isostatically. The device generates a force opposing the loss of contact of all the points of isostatic contact between the mo... | 11/02/2004 |
| 6796529 | Aircraft strut A strut for propping open the door of an aircraft including an outer tube connected at one end to the aircraft and a telescoping inner member connected to the aircraft door. The inner member is extended out of the outer tube when the door is fully opened and automat... | 09/28/2004 |
| 6761501 | Telescoping device and tripod Each one of telescopic units (12) that are used for a tripod includes a first tubular member (15). A second tubular member (16) is inserted in the first tubular member (15) so as to be capable of rotating circumferentially and enabling th... | 07/13/2004 |
| 6725971 | Pipe jack An improved load-supporting system for scaffolding, lengths of elongated stock used in the construction industry, tools, and other loads includes a unique system for adjusting the height at which a load is held above a supporting surface. The invention includes a co... | 04/27/2004 |
| 6676326 | Square lamp post insertional conjoinment structure A square lamp post insertional conjoinment structure comprised of a slip-mount tube and a casing tube fitted onto the slip-mount tube. The slip-mount tube has disposed at one end an internal binding sleeve and, furthermore, an insertional conjoinment sect... | 01/13/2004 |
| 6592231 | Trailer tow mirror A mirror assembly has a pair of telescoping tubular supports extending between a support base and a mirror head to provide adjustment of the mirror head toward and away from the support base. Friction shoes within the tubular supports releasably hold such... | 07/15/2003 |
| 6533309 | Tricycle stroller frame A tricycle stroller frame has a shaft pipe and a base frame. The base frame has two connectors to receive the shaft pipe, two tubes connected to the connectors, a movable seat, a positioning seat, and an H-shaped frame. Each tube has a front threaded aper... | 03/18/2003 |
| 6532630 | Matingly interfitted tool handle and extension for preventing relative rotation An extension pole is disclosed for use with a paint roller tool. The pole and handle cooperatively provide a smooth flush connection and prevent relative rotation therebetween. In particular, an end portion of the extension pole comprises a locking mechan... | 03/18/2003 |
| 6530124 | Matingly interfitted tool handle and extension for preventing relative rotation An extension pole is disclosed for use with a paint roller tool. The pole and handle cooperatively provide a smooth flush connection and prevent relative rotation therebetween. In particular, an end portion of the extension pole comprises a locking mechan... | 03/11/2003 |
| 6412737 | Support stand A support stand includes a locking unit for adjusting its height and a support unit for angular adjustment in a horizontal plane. The locking unit includes a center bar fixed to the lower end of an outer pipe, a mesh sleeve unit having a mesh sleeve, uppe... | 07/02/2002 |
| 6343890 | Fastener and connection assembly A fastener has an integral closure. The fastener maintains the relative position of concentrically nested or telescopically related inner and outer tubes. The closure occludes the inner tube. The fastener can be used for assembling children's products suc... | 02/05/2002 |
| 6276805 | Trailer tow mirror A mirror assembly has a pair of telescoping tubular supports extending between a support base and a mirror head to provide adjustment of the mirror head toward and away from the support base. Friction shoes within the tubular supports releasably hold such... | 08/21/2001 |
| 6179514 | Telescopic tube joint A telescopic tube joint has a sleeve, which is adapted to securely coupling an outer tube and an inner tube, and defines a locking chamber therein. At least two locking rings are received in the locking chamber of the sleeve, the locking rings are forced ... | 01/30/2001 |
| 5657986 | Expandable baton with offset tapered locking zone An expandable baton includes a plurality of sections adapted to be stowed in a nested, collapsed position. The sections may be opened by swinging the baton in a whipping action into a locked extended position. Each of these sections may be made of similar... | 08/19/1997 |
| 5622446 | Lockable telescoping members Lockable telescopic members are known that employ separate compression fittings or spring clips, and which can with advantage be avoided. Twist locks are also known where the members can be over rotated to release the connection and cause damage to the me... | 04/22/1997 |
| 5617661 | Flexible sign board for blade signs A flexible sign board for blade signs is provided. The sign board has a frame with a mounting bracket that is connected to a resilient support. The resilient support is a plurality of springs connected to a shelf or the wall bracket according to the desir... | 04/08/1997 |
| 5604985 | Hair trimmer with movable comb and latch A handheld appliance including a housing including a surface area, a moveable member moveable relative to the surface of the housing, and a latch for releasably preventing and permitting movement of the moveable member relative to the housing and includin... | 02/25/1997 |
| 5605411 | Lock for cylindrical rod A lock, which releasably affixes to the end of a cylindrical rod, includes a torus-like case having a central cylindrical passageway that fits over the rod. A spring normally urges a pair of cylindrical pistons located in the case to a locked position whe... | 02/25/1997 |
| 5590891 | Cart and luggage handle assembly with rotatable release member A handle assembly for carts and wheeled luggage includes a pair of tube assemblies disposed in substantially parallel relation and connected by a handle member. The tube assemblies carry lock buttons which cooperate with a pair of rotatable release member... | 01/07/1997 |
| 5525112 | Combined seal and boot for steering shaft assembly A combined seal and boot assembly for protectively covering a telescoping connection between two shaft members in a steering shaft assembly includes a cylindrical body portion, a flexible boot portion, and a pair of sealing lips. The body portion is frict... | 06/11/1996 |
| 5419736 | Device for clearing material waste A device for clearing material waste from telescopic plates of a cutting machine and includes an affixing element and a clearing rubber mounted to an underside of each telescopic plate. The affixing element has at least one groove to hold the clearing rub... | 05/30/1995 |
| 5285702 | Extendible tool handle An extendible handle for a tool to permit the user to increase the leverage applied by the tool. The extendible handle assembly has an inner handle member with a bushing affixed to its outer end. An outer handle member slides over the inner handle member ... | 02/15/1994 |
| 4967484 | Method of and apparatus for measuring distances A method of and apparatus for measuring distance selectively along any one or more of an outwardly facing subjacent surface, such as a floor surface, a horizontally facing surface, such as a wall surface, and a downwardly facing surface, such as a sealing... | 11/06/1990 |
| 4947607 | Suspended ceiling construction and compression strut therefor This invention comprises a suspended ceiling grid system having an adjustable compression strut installed between the grid members of the system and the building or construction superstructure which lies in a plane above the suspended ceiling. The adjusta... | 08/14/1990 |
| 4913078 | Convertible bank anchor and mooring device with locking means for watercraft A convertible bank anchor and mooring device with a locking cylinder is shown for use with watercraft. The anchor has an elongated tube, or pole, having a ball and socket coupling at one end joined to the side of the boat and an inverted, downturned hook ... | 04/03/1990 |
| 4895471 | Expander mechanism for telescoping tubes An expander mechanism to be used with telescoping tubes which might form, for example, a closet or a shower curtain rod. The mechanism has a bushing with a center threaded opening for receiving a threaded shaft of a bolt. A lock washer, which is resilient... | 01/23/1990 |
| 4640211 | Adjustment fixture for wishbone booms board-sailing devices An adjustment fixture for wishbone booms of board-sailing devices comprises two main tubes (1) joined at an acute angle on the mast side, and end tubes (3) telescopically adjustable therein, joined on the side of the stern leech rope. Each end tube (3) ha... | 02/03/1987 |
| 4490063 | Telescopic tube and method for the manufacture thereof A telescopic tube, comprising a plurality of relatively sliding tube members (10, 11) fitted within each other. Along a major part (L0) of their length, the tube members are straight cylindrical tubes whose ends are provided with conical bulges... | 12/25/1984 |
| 4329076 | Telescoping tubes with a twist locking arrangement A locking arrangement for telescoping tubes including an outer elongated tube with a radially inwardly projecting lock seam longitudinally extending along the length of the tube, and an inner elongated tube telescopically being received within the outer t... | 05/11/1982 |
| 4172913 | Artificial Christmas tree structure A telescoping artificial tree having a display stand and a centrally located base portion within the display stand and extending therefrom a support tube or rod surrounded by a plurality of tubing cylinders each having a support collar, with the cylinders... | 10/30/1979 |
| 4121378 | Anti-burglar window guard An anti-burglar guard for a double hung window construction including a generally rectangular frame having upstanding side frame members mounting vertically staggered slidable sashes. The window guard includes a transversely extending elongate barrier and... | 10/24/1978 |